/* ===========================================================================
   Theme tokens. Two independent axes:
     data-theme  = "light" | "dark"   (color scheme — LIGHT is the default)
     data-design = "soft" | "flat"    (visual language: rounded depth vs. flat)
   The interface is built around a clean, airy, productivity-mail aesthetic:
   a full-width top bar, a rail of rounded navigation pills, a comfortable
   message list and a focused reading pane.
   =========================================================================== */
:root,
[data-theme="light"] {
    --bg: #f6f8fc;
    --surface: #ffffff;
    --surface-2: #f1f3f4;
    --surface-3: #e9edf3;
    --border: #dde1e6;
    --border-strong: #c7ccd1;
    --text: #1f1f1f;
    --text-dim: #5f6368;
    --primary: #0b57d0;
    --primary-2: #0842a0;
    --on-primary: #ffffff;
    --accent: #0b57d0;
    --danger: #d93025;
    --success: #188038;
    --warning: #e37400;
    --overlay: rgba(32,33,36,.45);
    --selected: #d3e3fd;
    --selected-text: #041e49;
    --hover: #f1f3f4;
    --ring: rgba(11,87,208,.30);
    --compose-bg: #c2e7ff;
    --compose-bg-hover: #b3dcff;
    --compose-text: #001d35;
    --unread-bg: #ffffff;
    --read-bg: #f8fafd;
    --avatar-1: #1a73e8;
    --avatar-2: #7b3ff2;
}

[data-theme="dark"] {
    --bg: #131314;
    --surface: #1e1f20;
    --surface-2: #28292a;
    --surface-3: #303134;
    --border: #303134;
    --border-strong: #44474a;
    --text: #e3e3e3;
    --text-dim: #9aa0a6;
    --primary: #8ab4f8;
    --primary-2: #aecbfa;
    --on-primary: #062e6f;
    --accent: #8ab4f8;
    --danger: #f28b82;
    --success: #81c995;
    --warning: #fdd663;
    --overlay: rgba(0,0,0,.6);
    --selected: #004a77;
    --selected-text: #c2e7ff;
    --hover: #28292a;
    --ring: rgba(138,180,248,.35);
    --compose-bg: #004a77;
    --compose-bg-hover: #0a5a8a;
    --compose-text: #c2e7ff;
    --unread-bg: #1e1f20;
    --read-bg: #1a1b1c;
    --avatar-1: #8ab4f8;
    --avatar-2: #c58af9;
}

/* Design language: soft = rounded corners, layered depth, gentle shadows. */
:root,
[data-design="soft"] {
    --radius: 16px;
    --radius-sm: 10px;
    --radius-pill: 999px;
    --shadow: 0 12px 28px rgba(0,0,0,.16), 0 4px 10px rgba(0,0,0,.10);
    --shadow-sm: 0 1px 3px rgba(60,64,67,.18), 0 1px 2px rgba(60,64,67,.10);
    --btn-radius: 999px;
    --btn-weight: 600;
    --uppercase: none;
    --letterspace: normal;
}

/* Design language: flat = sharp edges, bold type, no depth. */
[data-design="flat"] {
    --radius: 0px;
    --radius-sm: 0px;
    --radius-pill: 0px;
    --shadow: none;
    --shadow-sm: none;
    --btn-radius: 0px;
    --btn-weight: 700;
    --uppercase: uppercase;
    --letterspace: .03em;
}

:root {
    /* System font stack only — no remote/web font is ever fetched. */
    --sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Noto Sans", Helvetica, Arial, sans-serif;
    --appbar-h: 64px;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--sans);
    -webkit-font-smoothing: antialiased;
    transition: background .2s ease, color .2s ease;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

::selection { background: var(--selected); color: var(--selected-text); }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    padding: .6rem 1.25rem;
    border-radius: var(--btn-radius);
    border: 1px solid transparent;
    font-family: inherit;
    font-weight: var(--btn-weight);
    font-size: .92rem;
    letter-spacing: var(--letterspace);
    cursor: pointer;
    transition: background .15s ease, border-color .15s ease, box-shadow .15s ease, transform .06s ease;
    text-decoration: none;
    line-height: 1.2;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: scale(.98); }
.btn-primary { background: var(--primary); color: var(--on-primary); }
.btn-primary:hover { background: var(--primary-2); box-shadow: var(--shadow-sm); }
.btn-ghost { background: transparent; color: var(--primary); border-color: var(--border-strong); }
.btn-ghost:hover { background: var(--hover); border-color: var(--border-strong); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { filter: brightness(.95); }
.btn-lg { padding: .85rem 1.7rem; font-size: 1.02rem; }
.btn-block { width: 100%; }
.btn-soft { background: var(--surface-2); color: var(--text); }
.btn-soft:hover { background: var(--surface-3); }

/* Circular icon button used in bars and toolbars. */
.icon-btn {
    display: inline-grid;
    place-items: center;
    width: 40px; height: 40px;
    border-radius: 50%;
    border: none;
    background: transparent;
    color: var(--text-dim);
    cursor: pointer;
    font-size: 1.15rem;
    transition: background .15s ease, color .15s ease;
}
.icon-btn:hover { background: var(--hover); color: var(--text); }

/* ---------- Auth helpers (passkey divider) ---------- */
.auth-divider { display: flex; align-items: center; gap: .75rem; margin: 1.1rem 0; color: var(--text-dim); font-size: .8rem; }
.auth-divider::before, .auth-divider::after { content: ""; height: 1px; background: var(--border); flex: 1; }
.passkey-ico { font-size: 1.05rem; }

/* ---------- Theme switcher ---------- */
.theme-switch { display: inline-flex; gap: .35rem; align-items: center; }
.theme-switch button {
    background: var(--surface-2); color: var(--text); border: 1px solid var(--border);
    border-radius: var(--radius-pill); padding: .4rem .75rem; cursor: pointer; font-size: .85rem; font-family: inherit;
    transition: background .15s ease, border-color .15s ease;
}
.theme-switch button:hover { border-color: var(--primary); }
.theme-switch button[aria-pressed="true"] { background: var(--selected); color: var(--selected-text); border-color: transparent; }

/* ---------- Landing ---------- */
.hero {
    min-height: 78vh;
    padding: 1.5rem clamp(1rem, 5vw, 5rem) 3rem;
    background:
        radial-gradient(1200px 600px at 80% -10%, rgba(11,87,208,.10), transparent 60%),
        radial-gradient(900px 500px at 0% 10%, rgba(123,63,242,.10), transparent 55%);
}
.hero-nav { display: flex; align-items: center; justify-content: space-between; padding: .5rem 0 2rem; }
.brand { display: flex; align-items: center; gap: .6rem; font-weight: 700; font-size: 1.2rem; }
.brand-mark { color: var(--primary); font-size: 1.4rem; }
.brand-logo { display: block; flex: none; border-radius: 12px; }

/* ---------- Flat, grayscale icons ----------
   Every emoji/glyph icon is rendered as a flat, single-tone silhouette so the
   UI reads as monochrome. The colourful brand logo (.brand-logo, an SVG) is
   intentionally NOT included here. */
.ico,
.f-ico,
.pencil,
.p-ico,
.ci,
.sched-clock,
.sched-banner-ico,
.sched-pop-ico,
.passkey-ico,
.empty-state .big {
    display: inline-block;
    /* brightness(0) collapses colour emoji to a solid silhouette; opacity then
       lifts it to a neutral grey that matches the surrounding text. */
    filter: grayscale(1) brightness(0);
    opacity: .62;
    -webkit-font-smoothing: antialiased;
}
[data-theme="dark"] .ico,
[data-theme="dark"] .f-ico,
[data-theme="dark"] .pencil,
[data-theme="dark"] .p-ico,
[data-theme="dark"] .ci,
[data-theme="dark"] .sched-clock,
[data-theme="dark"] .sched-banner-ico,
[data-theme="dark"] .sched-pop-ico,
[data-theme="dark"] .passkey-ico,
[data-theme="dark"] .empty-state .big {
    /* Invert the black silhouette to white, then dim to light grey for dark mode. */
    filter: grayscale(1) brightness(0) invert(1);
    opacity: .78;
}
.brand-logo:hover { filter: brightness(1.04); }
.brand.brand-lg { font-size: 1.5rem; gap: .7rem; }
.brand.brand-lg .brand-logo { width: 48px; height: 48px; }
.hero-actions { display: flex; gap: .75rem; flex-wrap: wrap; }
.hero-content { max-width: 820px; margin: 4vh auto 0; text-align: center; }
.hero-content h1 { font-size: clamp(2.2rem, 6vw, 4rem); line-height: 1.05; margin: 0 0 1.2rem; letter-spacing: -.02em; }
.grad { background: linear-gradient(90deg, var(--primary), var(--avatar-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lede { color: var(--text-dim); font-size: clamp(1.05rem, 2.4vw, 1.3rem); line-height: 1.6; margin: 0 auto 2rem; max-width: 680px; }

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.2rem;
    padding: 2rem clamp(1rem, 5vw, 5rem) 3rem;
    max-width: 1200px;
    margin: 0 auto;
}
.feature { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.4rem; box-shadow: var(--shadow-sm); }
.feature h3 { margin: 0 0 .5rem; font-size: 1.15rem; }
.feature p { margin: 0; color: var(--text-dim); line-height: 1.55; }

.site-footer {
    display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
    padding: 2rem clamp(1rem, 5vw, 5rem); color: var(--text-dim);
    border-top: 1px solid var(--border);
}

/* ---------- Auth ---------- */
.auth-shell { min-height: 100vh; display: grid; place-items: center; padding: 1.5rem;
    background: radial-gradient(900px 500px at 50% -10%, rgba(11,87,208,.10), transparent 60%); }
.auth-card { width: 100%; max-width: 420px; background: var(--surface); border: 1px solid var(--border);
    border-radius: 28px; padding: 2.25rem; box-shadow: var(--shadow); }
.auth-card h1 { margin: 0 0 .35rem; font-size: 1.5rem; font-weight: 600; }
.auth-sub { color: var(--text-dim); margin: 0 0 1.5rem; }
.field { margin-bottom: 1rem; }
.field label { display: block; margin-bottom: .4rem; font-weight: 500; font-size: .9rem; color: var(--text-dim); }
.field input, .field select, .field textarea {
    width: 100%; padding: .75rem .9rem; border-radius: var(--radius-sm); border: 1px solid var(--border-strong);
    background: var(--surface); color: var(--text); font-size: 1rem; font-family: inherit;
    transition: border-color .15s ease, box-shadow .15s ease;
}
.field input:focus, .field select:focus, .field textarea:focus {
    outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--ring);
}
.form-error { background: color-mix(in srgb, var(--danger) 12%, transparent); border: 1px solid var(--danger); color: var(--danger);
    padding: .7rem .9rem; border-radius: var(--radius-sm); margin-bottom: 1rem; font-size: .9rem; }
.form-ok { background: color-mix(in srgb, var(--success) 12%, transparent); border: 1px solid var(--success); color: var(--success);
    padding: .7rem .9rem; border-radius: var(--radius-sm); margin-bottom: 1rem; font-size: .9rem; }

/* ===========================================================================
   App bar — full-width top bar shared by Webmail and Control Center.
   =========================================================================== */
.appbar {
    height: var(--appbar-h);
    display: flex; align-items: center; gap: .5rem;
    padding: 0 .9rem;
    background: var(--bg);
    position: sticky; top: 0; z-index: 30;
}
.appbar-brand { display: flex; align-items: center; gap: .65rem; min-width: 200px; padding-left: .25rem; }
.appbar-brand .brand-mark { font-size: 1.5rem; }
.appbar-brand .brand-logo { width: 36px; height: 36px; }
.appbar-brand .brand-name { font-size: 1.3rem; font-weight: 500; color: var(--text-dim); letter-spacing: -.01em; }
.appbar-search {
    flex: 1; max-width: 720px;
    display: flex; align-items: center; gap: .5rem;
    background: var(--surface-2); border: 1px solid transparent; border-radius: var(--radius-pill);
    padding: .25rem .6rem; height: 48px;
    transition: background .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.appbar-search:focus-within { background: var(--surface); box-shadow: var(--shadow-sm); border-color: var(--border); }
.appbar-search input {
    flex: 1; border: none; background: transparent; outline: none;
    color: var(--text); font-size: 1rem; font-family: inherit; padding: 0 .25rem;
}
.appbar-spacer { flex: 1; }
.appbar-right { display: flex; align-items: center; gap: .25rem; }

/* Account / menu popover */
.menu { position: relative; }
.menu-pop {
    position: absolute; right: 0; top: calc(100% + 8px);
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
    box-shadow: var(--shadow); padding: .5rem; min-width: 260px; z-index: 60;
    display: none;
}
.menu.open .menu-pop { display: block; }
.menu-pop .menu-head { display: flex; align-items: center; gap: .75rem; padding: .6rem .65rem 1rem; }
.menu-pop .menu-head .who { line-height: 1.25; }
.menu-pop .menu-head .who b { font-weight: 600; }
.menu-pop .menu-head .who span { color: var(--text-dim); font-size: .85rem; }
.menu-item {
    display: flex; align-items: center; gap: .7rem; width: 100%; text-align: left;
    padding: .6rem .65rem; border-radius: var(--radius-sm); border: none; background: none;
    color: var(--text); font: inherit; cursor: pointer;
}
.menu-item:hover { background: var(--hover); text-decoration: none; }
.menu-sep { height: 1px; background: var(--border); margin: .4rem .2rem; }
.menu-label { padding: .4rem .65rem; color: var(--text-dim); font-size: .75rem; text-transform: uppercase; letter-spacing: .06em; }

/* ===========================================================================
   App shell (Control Center) — appbar on top, rail on the left.
   =========================================================================== */
.app { display: grid; grid-template-columns: 280px 1fr; min-height: calc(100vh - var(--appbar-h)); }
.sidebar { padding: 1rem .75rem; }
.nav-link {
    display: flex; align-items: center; gap: .9rem; padding: .7rem 1.1rem;
    border-radius: var(--radius-pill); color: var(--text-dim); font-weight: 500; font-size: .95rem;
    margin-bottom: .15rem; cursor: pointer; transition: background .15s ease, color .15s ease;
}
.nav-link:hover { background: var(--hover); color: var(--text); text-decoration: none; }
.nav-link.active { background: var(--selected); color: var(--selected-text); font-weight: 600; }
.content { padding: 1.5rem clamp(1rem, 3vw, 2.5rem); max-width: 1200px; }
.topbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.5rem; flex-wrap: wrap; gap: 1rem; }
.topbar h1 { margin: 0; font-size: 1.5rem; font-weight: 500; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.4rem; box-shadow: var(--shadow-sm); }
.card .kpi { font-size: 2.1rem; font-weight: 600; }
.card .kpi-label { color: var(--text-dim); }

table.data { width: 100%; border-collapse: collapse; background: var(--surface);
    border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
table.data th, table.data td { text-align: left; padding: .85rem 1rem; border-bottom: 1px solid var(--border); }
table.data th { color: var(--text-dim); font-size: .78rem; text-transform: uppercase; letter-spacing: .05em; font-weight: 600; }
table.data tr:last-child td { border-bottom: none; }
table.data tbody tr:hover { background: var(--hover); }
.badge { display: inline-block; padding: .2rem .65rem; border-radius: 999px; font-size: .74rem; font-weight: 600; }
.badge-ok { background: color-mix(in srgb, var(--success) 16%, transparent); color: var(--success); }
.badge-off { background: var(--surface-2); color: var(--text-dim); }
.badge-admin { background: color-mix(in srgb, var(--avatar-2) 18%, transparent); color: var(--avatar-2); }

.quota-bar { height: 6px; background: var(--surface-3); border-radius: 999px; overflow: hidden; margin-top: .3rem; }
.quota-fill { height: 100%; background: linear-gradient(90deg, var(--primary), var(--avatar-2)); }

/* ---------- Admin detail (key/value + inline check) ---------- */
.kv { display: grid; grid-template-columns: auto 1fr; gap: .5rem 1rem; margin: 0; }
.kv dt { color: var(--text-dim); }
.kv dd { margin: 0; }
label.check { display: flex; align-items: center; gap: .5rem; cursor: pointer; font-weight: 400; color: var(--text); }
label.check input { width: auto; margin: 0; }

/* ===========================================================================
   User editor — hero header + non-overlapping responsive panel grid.
   =========================================================================== */
.ue-hero {
    display: flex; align-items: center; gap: 1.25rem; flex-wrap: wrap;
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 1.4rem 1.6rem; box-shadow: var(--shadow-sm); margin-bottom: 1.5rem;
}
.ue-avatar {
    width: 64px; height: 64px; flex: 0 0 auto; border-radius: 50%;
    display: grid; place-items: center; font-size: 1.6rem; font-weight: 600; color: #fff;
    background: linear-gradient(135deg, var(--primary), var(--avatar-2));
    box-shadow: var(--shadow-sm);
}
.ue-id { min-width: 0; flex: 1 1 240px; }
.ue-id h1 { margin: 0; font-size: 1.5rem; font-weight: 600; line-height: 1.2;
    overflow: hidden; text-overflow: ellipsis; }
.ue-id .ue-sub { color: var(--text-dim); font-size: .95rem; margin-top: .15rem;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ue-badges { display: flex; gap: .4rem; flex-wrap: wrap; margin-top: .55rem; }
.ue-stats { display: flex; gap: 1.75rem; flex-wrap: wrap; margin-left: auto; }
.ue-stat { text-align: right; }
.ue-stat .v { font-size: 1.35rem; font-weight: 600; line-height: 1.1; }
.ue-stat .l { color: var(--text-dim); font-size: .78rem; text-transform: uppercase; letter-spacing: .05em; }

.ue-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 1.25rem;
    align-items: start;
}
.ue-grid .span-all { grid-column: 1 / -1; }

.panel {
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
    box-shadow: var(--shadow-sm); overflow: hidden;
    display: flex; flex-direction: column; min-width: 0;
}
.panel-head { padding: 1.1rem 1.4rem .9rem; border-bottom: 1px solid var(--border); }
.panel-head h3 { margin: 0; font-size: 1.05rem; font-weight: 600; display: flex; align-items: center; gap: .55rem; }
.panel-head p { margin: .35rem 0 0; color: var(--text-dim); font-size: .85rem; line-height: 1.5; }
.panel-head.danger h3 { color: var(--danger, #c5221f); }
.panel-body { padding: 1.4rem; }
.panel-body > :first-child { margin-top: 0; }
.panel-body > :last-child { margin-bottom: 0; }
.panel-sep { height: 1px; background: var(--border); margin: 1.25rem 0; border: 0; }

/* Tables inside panels never overflow their card — they scroll horizontally. */
.table-wrap { width: 100%; overflow-x: auto; }
.table-wrap table.data { border: none; border-radius: 0; box-shadow: none; }
.panel .empty { color: var(--text-dim); font-size: .9rem; margin: 0; }

.row-actions { display: flex; gap: .4rem; flex-wrap: wrap; justify-content: flex-end; }
.row-actions form { margin: 0; }

/* One-time secret reveal (generated app password). */
.secret-reveal {
    display: flex; align-items: center; gap: .75rem; flex-wrap: wrap;
    background: color-mix(in srgb, var(--success) 12%, transparent);
    border: 1px solid color-mix(in srgb, var(--success) 35%, transparent);
    border-radius: var(--radius); padding: .85rem 1rem; margin-bottom: 1.1rem;
}
.secret-reveal code {
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 1.05rem;
    letter-spacing: .04em; word-break: break-all; flex: 1 1 auto;
}
.secret-reveal .note { color: var(--text-dim); font-size: .8rem; flex-basis: 100%; }

/* ===========================================================================
   Webmail — three-pane workspace below the app bar.
   =========================================================================== */
.mail { display: grid; grid-template-columns: 256px minmax(360px, 460px) 1fr; height: calc(100vh - var(--appbar-h)); }

.mail-folders { padding: .5rem .5rem 1rem; overflow-y: auto; }
.compose-btn {
    display: inline-flex; align-items: center; gap: .75rem;
    background: var(--compose-bg); color: var(--compose-text);
    border: none; border-radius: var(--radius); padding: 1rem 1.5rem 1rem 1.1rem;
    font-family: inherit; font-size: 1rem; font-weight: 600; cursor: pointer;
    box-shadow: var(--shadow-sm); margin: .5rem .5rem 1rem; transition: background .15s ease, box-shadow .15s ease;
}
.compose-btn:hover { background: var(--compose-bg-hover); box-shadow: var(--shadow); text-decoration: none; }
.compose-btn .pencil { font-size: 1.2rem; }

.folder {
    display: flex; align-items: center; gap: .9rem; padding: .55rem .5rem .55rem 1.1rem;
    border-radius: 0 var(--radius-pill) var(--radius-pill) 0; margin-right: .5rem;
    color: var(--text); font-weight: 500; font-size: .9rem; cursor: pointer;
    transition: background .12s ease, color .12s ease;
}
.folder:hover { background: var(--hover); text-decoration: none; }
.folder.active { background: var(--selected); color: var(--selected-text); font-weight: 700; }
.folder .f-ico { width: 20px; text-align: center; }
.folder .f-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.folder .count { font-size: .8rem; font-weight: 600; }
.rail-label { padding: .9rem 1.1rem .35rem; color: var(--text-dim); font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; font-weight: 600; }

/* Message list */
.mail-list { background: var(--surface); border-left: 1px solid var(--border); border-right: 1px solid var(--border); overflow-y: auto; }
.mail-list-header {
    position: sticky; top: 0; z-index: 2; background: var(--surface);
    padding: .9rem 1.1rem; border-bottom: 1px solid var(--border);
    display: flex; justify-content: space-between; align-items: center; gap: 1rem;
}
.mail-list-header strong { font-weight: 600; font-size: 1.05rem; }
.mail-list-header .muted { color: var(--text-dim); font-size: .85rem; }
.mail-list-header .empty-trash-form { margin: 0 0 0 auto; }
.empty-trash-btn { color: var(--danger, #c5221f); font-size: .85rem; padding: .35rem .7rem; white-space: nowrap; }
.empty-trash-btn:hover { background: color-mix(in srgb, var(--danger, #c5221f) 12%, transparent); }

.new-mail-pill {
    position: sticky; top: 3.1rem; z-index: 2;
    display: block; margin: .5rem 1rem; padding: .5rem .9rem;
    text-align: center; font-size: .85rem; font-weight: 600;
    color: #fff; background: var(--accent, #2563eb); border-radius: 999px;
    text-decoration: none; box-shadow: 0 2px 8px rgba(0,0,0,.18);
}
.new-mail-pill:hover { filter: brightness(1.06); }

.mail-item {
    display: grid; grid-template-columns: 40px 1fr auto; align-items: center; gap: .75rem;
    padding: .7rem 1.1rem; border-bottom: 1px solid var(--border); cursor: pointer;
    background: var(--read-bg); transition: background .12s ease, box-shadow .12s ease;
}.mail-item:hover { background: var(--surface); box-shadow: inset 1px 0 0 var(--border), 0 1px 4px rgba(0,0,0,.10); z-index: 1; }
.mail-item.unread { background: var(--unread-bg); }
.mail-item.active { background: var(--selected); }
.mail-item.kb-selected { background: var(--selected); box-shadow: inset 3px 0 0 var(--primary); outline: none; }
.mail-item .m-main { min-width: 0; }
.mail-item.unread .mail-from, .mail-item.unread .mail-subject { font-weight: 700; color: var(--text); }
.mail-from { display: flex; justify-content: space-between; gap: .5rem; color: var(--text); font-size: .92rem; }
.mail-from .who { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mail-subject { color: var(--text); margin: .1rem 0 0; font-size: .9rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mail-subject .snippet { color: var(--text-dim); font-weight: 400; }
.mail-preview { color: var(--text-dim); font-size: .85rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mail-date { color: var(--text-dim); font-size: .76rem; white-space: nowrap; align-self: start; padding-top: .15rem; }
.mail-item.unread .mail-date { color: var(--text); font-weight: 600; }

/* Bulk multi-select */
.bulk-bar { display: flex; align-items: center; gap: .75rem; padding: .5rem 1.1rem; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.bulk-bar .bulk-all { display: inline-flex; align-items: center; gap: .4rem; font-size: .85rem; color: var(--text-dim); cursor: pointer; }
.bulk-bar .bulk-count { font-size: .82rem; color: var(--text-dim); }
.bulk-actions { display: flex; align-items: center; gap: .4rem; margin-left: auto; flex-wrap: wrap; justify-content: flex-end; min-width: 0; }
.bulk-actions form { display: inline-flex; align-items: center; gap: .35rem; margin: 0; }
.bulk-actions .btn { white-space: nowrap; padding: .3rem .6rem; font-size: .82rem; }
.bulk-actions .btn.danger { color: var(--danger, #d33); }
.bulk-actions .btn.danger:hover { background: color-mix(in srgb, var(--danger, #d33) 12%, transparent); }
.bulk-select { padding: .25rem .4rem; font-size: .82rem; }
.bulk-ids { display: none; }
.mail-row { display: grid; grid-template-columns: auto 1fr; align-items: stretch; }
.mail-row.selected { background: var(--selected); }
.mail-row .mail-check { display: flex; align-items: center; justify-content: center; padding: 0 .25rem 0 .9rem; border-bottom: 1px solid var(--border); cursor: pointer; }
.mail-row .mail-item { border-bottom: 1px solid var(--border); }

/* Reading pane */
.mail-view { background: var(--surface); padding: 1.5rem clamp(1rem, 3vw, 2.5rem); overflow-y: auto; }
.mail-view h2 { margin: 0 0 1rem; font-weight: 500; font-size: 1.4rem; }
.read-head { display: flex; gap: .9rem; align-items: flex-start; margin-bottom: 1.25rem; }
.read-head .meta { flex: 1; min-width: 0; }
.read-head .meta .name { font-weight: 600; }
.read-head .meta .addr { color: var(--text-dim); font-size: .85rem; }
.read-head .meta .to { color: var(--text-dim); font-size: .82rem; margin-top: .15rem; }
.read-head .when { color: var(--text-dim); font-size: .82rem; white-space: nowrap; }
.mail-meta { color: var(--text-dim); margin-bottom: 1.5rem; }
.mail-body { line-height: 1.65; white-space: pre-wrap; word-break: break-word; font-family: Helvetica, Arial, sans-serif; }
.mail-body-html { font-family: Helvetica, Arial, sans-serif; }
.mail-toolbar { display: flex; gap: .4rem; margin-bottom: 1.25rem; align-items: center; }
.mail-toolbar .mail-action { display: inline-flex; align-items: center; gap: .35rem; padding: .35rem .8rem; font-size: .85rem; }
.mail-toolbar form { margin-left: auto; }
.empty-state { display: grid; place-items: center; height: 100%; color: var(--text-dim); text-align: center; padding: 2rem; }
.empty-state .big { font-size: 3rem; opacity: .6; margin-bottom: .5rem; }

.attachments { display: flex; flex-wrap: wrap; gap: .6rem; margin: 1rem 0 1.25rem; }
.att-chip {
    display: inline-flex; align-items: center; gap: .5rem; padding: .55rem .85rem;
    border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface-2);
    color: var(--text); font-size: .85rem;
}
.att-chip:hover { background: var(--surface-3); text-decoration: none; }

/* User chip + avatars */
.user-chip { display: flex; align-items: center; gap: .6rem; }
.avatar {
    width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center;
    background: linear-gradient(135deg, var(--avatar-1), var(--avatar-2)); color: #fff; font-weight: 600; flex: none;
}
.avatar.lg { width: 44px; height: 44px; font-size: 1.1rem; }
.avatar.sm { width: 32px; height: 32px; font-size: .85rem; }
.appbar .avatar { cursor: pointer; }

/* ---------- Compose dock (floating window, bottom-right) ---------- */
.compose-dock {
    position: fixed; right: 1.5rem; bottom: 0; width: 540px; max-width: calc(100vw - 2rem);
    height: 560px; max-height: calc(100vh - 1.5rem); min-width: 360px; min-height: 320px;
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius) var(--radius) 0 0; box-shadow: var(--shadow);
    z-index: 80; display: none; flex-direction: column; overflow: hidden;
}
.compose-dock.open { display: flex; }
/* Drag-to-resize grip at the top-left corner (window grows up/left). */
.compose-dock .dock-resize {
    position: absolute; top: 0; left: 0; width: 18px; height: 18px; z-index: 2;
    cursor: nwse-resize; touch-action: none;
}
.compose-dock .dock-resize::before {
    content: ""; position: absolute; top: 4px; left: 4px; width: 9px; height: 9px;
    border-top: 2px solid var(--text-dim); border-left: 2px solid var(--text-dim);
    border-top-left-radius: 4px; opacity: .55;
}
.compose-dock .dock-head {
    display: flex; align-items: center; justify-content: space-between;
    background: var(--surface-3); color: var(--text); padding: .65rem 1rem; font-size: .9rem; font-weight: 600;
}
.compose-dock .dock-head-actions { display: inline-flex; align-items: center; gap: .5rem; }
.compose-dock .dock-save-state { color: var(--text-dim); font-size: .76rem; font-weight: 400; white-space: nowrap; }
.compose-dock .dock-trash { cursor: pointer; border: none; background: none; padding: .1rem .25rem; line-height: 1; border-radius: 6px; }
.compose-dock .dock-foot .dock-trash { margin-left: auto; }
.compose-dock .dock-trash:hover { background: var(--hover); }
.compose-dock .dock-head .close { cursor: pointer; border: none; background: none; color: var(--text-dim); font-size: 1.1rem; }
.compose-dock .dock-head .close:hover { color: var(--text); }
.compose-dock form { display: flex; flex-direction: column; padding: .25rem 1rem 1rem; gap: 0; flex: 1 1 auto; min-height: 0; }
.compose-dock .line { display: flex; align-items: center; gap: .5rem; border-bottom: 1px solid var(--border); padding: .55rem .25rem; }
.compose-dock .line label { color: var(--text-dim); font-size: .85rem; width: 56px; }
.compose-dock .line input[type=text],
.compose-dock .line input[type=email] { flex: 1; border: none; background: transparent; outline: none; color: var(--text); font: inherit; }
.compose-dock textarea {
    border: none; background: transparent; outline: none; color: var(--text);
    font-family: Helvetica, Arial, sans-serif; font-size: .95rem;
    resize: none; flex: 1 1 auto; min-height: 120px; padding: .75rem .25rem; line-height: 1.55;
}
.compose-dock .dock-foot { display: flex; align-items: center; gap: .75rem; padding-top: .5rem; position: relative; }
.compose-dock .dock-foot .send { padding-left: 1.6rem; padding-right: 1.6rem; }
.compose-dock .opts { display: flex; align-items: center; gap: .75rem; color: var(--text-dim); font-size: .82rem; margin-left: auto; }
.compose-dock .opts label { display: inline-flex; align-items: center; gap: .35rem; cursor: pointer; }
.compose-dock .file-row { color: var(--text-dim); font-size: .82rem; padding-top: .5rem; }
.compose-dock .file-row:empty { display: none; }
.compose-dock .file-chip {
    display: inline-flex; align-items: center; gap: .4rem; max-width: 100%;
    background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-pill);
    padding: .25rem .35rem .25rem .6rem; margin: .25rem .35rem 0 0; font-size: .8rem; color: var(--text);
}
.compose-dock .file-chip .fc-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 220px; }
.compose-dock .file-chip .fc-size { color: var(--text-dim); }
.compose-dock .file-chip .fc-del {
    border: none; background: none; cursor: pointer; color: var(--text-dim); font-size: .9rem;
    line-height: 1; padding: 0 .15rem; border-radius: 50%;
}
.compose-dock .file-chip .fc-del:hover { color: var(--text); background: var(--hover); }

/* Contacts-picker trigger + Cc/Bcc toggles on a compose line */
.compose-dock .line-pick {
    border: none; background: none; cursor: pointer; padding: .1rem .25rem; line-height: 1; border-radius: 6px;
}
.compose-dock .line-pick:hover { background: var(--hover); }
.compose-dock .cc-toggle { display: inline-flex; gap: .15rem; }
.compose-dock .cc-toggle button {
    border: none; background: none; cursor: pointer; color: var(--text-dim); font: inherit; font-size: .82rem;
    padding: .15rem .4rem; border-radius: 6px;
}
.compose-dock .cc-toggle button:hover { background: var(--hover); color: var(--text); }
.compose-dock .cc-toggle button.on { color: var(--primary); font-weight: 600; }
.compose-dock .cc-line[hidden] { display: none; }

/* Contact picker overlay (inside the compose dock) */
.contact-picker {
    position: absolute; inset: 0; z-index: 95; display: flex; flex-direction: column;
    background: var(--surface); animation: schedIn .14s ease;
}
.contact-picker[hidden] { display: none; }
.contact-picker .cp-head {
    display: flex; align-items: center; justify-content: space-between;
    padding: .8rem 1rem; font-weight: 600; font-size: .95rem; color: #fff;
    background: linear-gradient(120deg, var(--primary), color-mix(in srgb, var(--primary) 60%, #7b3ff2));
}
.contact-picker .cp-title { display: inline-flex; align-items: center; gap: .5rem; }
.contact-picker .cp-close { border: none; background: none; color: #fff; cursor: pointer; font-size: 1.1rem; opacity: .9; }
.contact-picker .cp-close:hover { opacity: 1; }
.contact-picker .cp-search {
    display: flex; align-items: center; gap: .5rem; padding: .6rem 1rem; border-bottom: 1px solid var(--border);
}
.contact-picker .cp-search input {
    flex: 1; border: none; outline: none; background: transparent; color: var(--text); font: inherit;
}
.contact-picker .cp-list { flex: 1 1 auto; overflow-y: auto; padding: .4rem; min-height: 0; }
.contact-picker .cp-empty { color: var(--text-dim); font-size: .85rem; padding: 1rem; text-align: center; }
.contact-picker .cp-item {
    display: flex; align-items: center; gap: .7rem; padding: .55rem .65rem; border-radius: var(--radius-sm);
    cursor: pointer; transition: background .12s ease;
}
.contact-picker .cp-item:hover { background: var(--hover); }
.contact-picker .cp-check { width: 1.05rem; height: 1.05rem; accent-color: var(--primary); cursor: pointer; }
.contact-picker .cp-avatar {
    width: 2rem; height: 2rem; flex: none; border-radius: 50%; display: inline-flex; align-items: center;
    justify-content: center; font-weight: 600; font-size: .82rem; color: #fff;
    background: linear-gradient(135deg, var(--primary), var(--avatar-2, #7b3ff2));
}
.contact-picker .cp-meta { display: flex; flex-direction: column; min-width: 0; }
.contact-picker .cp-name { font-weight: 500; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.contact-picker .cp-email { color: var(--text-dim); font-size: .8rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.contact-picker .cp-foot {
    display: flex; align-items: center; justify-content: space-between; gap: .75rem;
    padding: .7rem 1rem; border-top: 1px solid var(--border);
}
.contact-picker .cp-count { color: var(--text-dim); font-size: .82rem; }
.contact-picker .cp-foot-actions { display: inline-flex; gap: .5rem; }
.contact-picker .cp-foot-actions .btn { padding: .45rem 1.1rem; font-size: .85rem; }

/* ---------- Schedule send (split button + popover) ---------- */
.send-split { display: inline-flex; align-items: stretch; }
.send-split .send { border-top-right-radius: 0; border-bottom-right-radius: 0; }
.send-split .send-caret {
    padding: 0 .55rem; border-top-left-radius: 0; border-bottom-left-radius: 0;
    margin-left: 1px; font-size: .8rem; display: inline-flex; align-items: center;
}
.sched-banner {
    display: flex; align-items: center; gap: .55rem; margin-top: .6rem; padding: .55rem .75rem;
    background: linear-gradient(120deg, var(--selected), color-mix(in srgb, var(--selected) 55%, var(--surface)));
    border: 1px solid color-mix(in srgb, var(--primary) 30%, var(--border));
    border-radius: var(--radius-sm); color: var(--text); font-size: .85rem;
    animation: schedIn .18s ease;
}
.sched-banner[hidden] { display: none; }
.sched-banner-ico { font-size: 1.05rem; }
.sched-banner-text { flex: 1; }
.sched-banner-clear { border: none; background: none; cursor: pointer; color: var(--text-dim); font-size: .9rem; padding: .15rem .3rem; border-radius: 6px; }
.sched-banner-clear:hover { background: rgba(0,0,0,.06); color: var(--text); }

/* "Undo send" countdown toast (bottom-centre) */
.undo-send {
    position: fixed; left: 50%; bottom: 1.5rem; transform: translateX(-50%) translateY(8px);
    display: flex; align-items: center; gap: .7rem; padding: .7rem 1rem;
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-pill);
    box-shadow: var(--shadow); color: var(--text); font-size: .9rem; z-index: 200;
    opacity: 0; transition: opacity .18s ease, transform .18s ease;
}
.undo-send.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.undo-send[hidden] { display: none; }
.us-ico { font-size: 1.1rem; }
.us-text { white-space: nowrap; }
.us-cancel {
    border: none; background: var(--primary); color: #fff; cursor: pointer;
    padding: .35rem .85rem; border-radius: var(--radius-pill); font-size: .85rem; font-weight: 600;
}
.us-cancel:hover { filter: brightness(1.05); }
.us-cancel[hidden] { display: none; }

.sched-pop {
    position: absolute; bottom: calc(100% + .6rem); left: 0; width: 320px; max-width: calc(100vw - 3rem);
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
    box-shadow: var(--shadow); z-index: 90; overflow: hidden; transform-origin: bottom left;
    animation: schedIn .16s cubic-bezier(.2,.8,.3,1);
}
.sched-pop-head {
    display: flex; align-items: center; gap: .5rem; padding: .8rem 1rem; font-weight: 600; font-size: .92rem;
    color: #fff; background: linear-gradient(120deg, var(--primary), color-mix(in srgb, var(--primary) 60%, #7b3ff2));
}
.sched-pop-ico { font-size: 1.1rem; }
.sched-presets { display: flex; flex-direction: column; padding: .4rem; }
.sched-preset {
    display: flex; align-items: center; gap: .7rem; width: 100%; text-align: left;
    border: none; background: none; cursor: pointer; padding: .6rem .65rem; border-radius: var(--radius-sm);
    color: var(--text); font: inherit; transition: background .12s ease;
}
.sched-preset:hover { background: var(--hover); }
.sched-preset .p-ico { font-size: 1.15rem; width: 1.4rem; text-align: center; }
.sched-preset .p-label { flex: 1; font-weight: 500; }
.sched-preset .p-when { color: var(--text-dim); font-size: .8rem; }
.sched-custom { padding: .35rem 1rem .6rem; border-top: 1px solid var(--border); }
.sched-custom label { display: block; color: var(--text-dim); font-size: .78rem; margin: .5rem 0 .3rem; }
.sched-custom input[type=datetime-local] {
    width: 100%; padding: .55rem .65rem; border-radius: var(--radius-sm);
    border: 1px solid var(--border-strong); background: var(--surface); color: var(--text); font: inherit;
}
.sched-pop-foot { display: flex; justify-content: flex-end; gap: .5rem; padding: .65rem 1rem .85rem; }
.sched-pop-foot .btn { padding: .45rem 1rem; font-size: .85rem; }

@keyframes schedIn { from { opacity: 0; transform: translateY(6px) scale(.98); } to { opacity: 1; transform: none; } }

/* ---------- Scheduled list ---------- */
.scheduled-list .sched-row {
    display: flex; align-items: center; gap: .85rem; padding: .85rem 1rem;
    border-bottom: 1px solid var(--border); transition: background .12s ease;
}
.scheduled-list .sched-row:hover { background: var(--hover); }
.scheduled-list .sched-clock {
    font-size: 1.2rem; width: 2.4rem; height: 2.4rem; display: inline-flex; align-items: center; justify-content: center;
    background: var(--selected); border-radius: var(--radius-pill);
}
.scheduled-list .sched-info { flex: 1; min-width: 0; }
.scheduled-list .sched-when { font-weight: 600; font-size: .92rem; color: var(--text); }
.scheduled-list .sched-meta { color: var(--text-dim); font-size: .82rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.scheduled-list .sched-cancel { padding: .4rem .85rem; font-size: .82rem; }

/* ---------- Contacts ---------- */
.rail-note {
    margin: auto .35rem .35rem; padding: .6rem .7rem; font-size: .76rem; line-height: 1.35;
    color: var(--text-dim); background: var(--surface-2); border: 1px solid var(--border);
    border-radius: var(--radius-sm);
}
.contacts-pane { overflow-y: auto; background: var(--bg); grid-column: 2 / -1; }
.contact-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1rem; padding: 1rem;
}
.contact-card {
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 1rem; display: flex; flex-direction: column; gap: .75rem;
    transition: box-shadow .15s ease, transform .15s ease, border-color .15s ease;
}
.contact-card:hover {
    box-shadow: 0 10px 28px rgba(11, 87, 208, .12); border-color: var(--border-strong);
    transform: translateY(-2px);
}
.contact-top { display: flex; align-items: center; gap: .75rem; }
.contact-avatar {
    background: linear-gradient(135deg, var(--primary), var(--avatar-2));
    color: #fff; flex: none; font-weight: 700;
}
.contact-id { min-width: 0; }
.contact-name { font-weight: 700; font-size: 1.02rem; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.contact-company { color: var(--text-dim); font-size: .82rem; }
.contact-details { display: grid; gap: .4rem; }
.contact-line { display: flex; align-items: flex-start; gap: .5rem; font-size: .88rem; color: var(--text); min-width: 0; }
.contact-line .ci { flex: none; opacity: .8; }
.contact-line a { color: var(--primary); text-decoration: none; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.contact-line a:hover { text-decoration: underline; }
.contact-line.notes { color: var(--text-dim); font-size: .82rem; }
.contact-actions { display: flex; align-items: center; gap: .4rem; margin-top: auto; flex-wrap: wrap; }
.contact-actions form { display: inline; margin-left: auto; }
.btn.sm { padding: .35rem .7rem; font-size: .8rem; }
.btn.danger { color: #d33; }
.btn.danger:hover { background: color-mix(in srgb, #d33 12%, transparent); }
.contact-dock .line { display: grid; gap: .3rem; margin-bottom: .65rem; }
.contact-dock .line label { font-size: .78rem; color: var(--text-dim); font-weight: 600; }
/* Let the contact form scroll so the Save button stays reachable on short viewports. */
.contact-dock form { overflow-y: auto; min-height: 0; }
.contact-dock .dock-foot {
    position: sticky; bottom: 0; margin-top: auto;
    background: var(--surface); padding-bottom: .5rem;
}
.contact-dock .line input {
    width: 100%; padding: .55rem .7rem; border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm); background: var(--surface); color: var(--text); font-size: .92rem;
}
.contact-dock .line input:focus { outline: none; border-color: var(--primary); }
.contact-dock textarea {
    width: 100%; min-height: 70px; resize: vertical; padding: .55rem .7rem; margin-bottom: .65rem;
    border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
    background: var(--surface); color: var(--text); font: inherit; font-size: .92rem;
}
.contact-dock textarea:focus { outline: none; border-color: var(--primary); }
.contact-dock .opts { color: var(--text-dim); font-size: .8rem; }

.qr { background: #fff; padding: 12px; border-radius: 12px; display: inline-block; }
.code-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: .5rem; font-family: ui-monospace, monospace; }
.code-list span { background: var(--surface-2); padding: .5rem; border-radius: 8px; text-align: center; }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
    .mail { grid-template-columns: 240px 1fr; }
    .mail.reading .mail-list { display: none; }
    .mail:not(.reading) .mail-view { display: none; }
}
@media (max-width: 760px) {
    .appbar-brand { min-width: 0; }
    .appbar-brand .brand-name { display: none; }
    .app { grid-template-columns: 1fr; }
    .sidebar { display: none; }
    .mail { grid-template-columns: 1fr; }
    .mail .mail-folders { display: none; }
    .mail.show-rail .mail-folders { display: block; position: fixed; inset: var(--appbar-h) auto 0 0; width: 280px; background: var(--bg); z-index: 40; box-shadow: var(--shadow); }
    .compose-dock { right: 0; left: 0; width: 100%; max-width: 100%; }
}

/* ===========================================================================
   Flat design language overrides (sharp edges, bold headers).
   =========================================================================== */
[data-design="flat"] .feature,
[data-design="flat"] .card,
[data-design="flat"] .auth-card,
[data-design="flat"] table.data,
[data-design="flat"] .compose-btn { box-shadow: none; }

[data-design="flat"] .auth-card { border-radius: 0; }
[data-design="flat"] h1, [data-design="flat"] .topbar h1, [data-design="flat"] .brand { font-weight: 700; }
[data-design="flat"] .feature { border-left: 4px solid var(--primary); }
[data-design="flat"] .card { border-top: 4px solid var(--primary); }

/* ===========================================================================
   Calendar
   =========================================================================== */
.cal-pane { grid-column: 2 / -1; display: flex; flex-direction: column; background: var(--bg); min-height: 0; overflow: hidden; }

.cal-toolbar {
    display: flex; align-items: center; justify-content: space-between; gap: 1rem;
    padding: .7rem 1.1rem; border-bottom: 1px solid var(--border); flex: 0 0 auto;
}
.cal-nav { display: flex; align-items: center; gap: .35rem; }
.cal-nav .icon-btn { font-size: 1.4rem; line-height: 1; }
.cal-title { font-size: 1.25rem; font-weight: 600; margin: 0 0 0 .6rem; letter-spacing: -.01em; white-space: nowrap; }
.cal-views { display: inline-flex; background: var(--surface-2); border-radius: var(--radius-pill); padding: 3px; gap: 2px; }
.cal-view-btn {
    border: none; background: transparent; color: var(--text-dim); cursor: pointer;
    padding: .4rem .95rem; border-radius: var(--radius-pill); font: inherit; font-size: .85rem; font-weight: 500;
    transition: background .15s, color .15s;
}
.cal-view-btn:hover { color: var(--text); }
.cal-view-btn.active { background: var(--surface); color: var(--primary); box-shadow: var(--shadow-sm); }

.cal-surface { flex: 1 1 auto; min-height: 0; overflow: hidden; display: flex; }

/* ---- Month view ---- */
.cal-month { display: flex; flex-direction: column; flex: 1 1 auto; min-height: 0; }
.cal-month-head { display: grid; grid-template-columns: repeat(7, 1fr); border-bottom: 1px solid var(--border); }
.cal-dow { padding: .45rem .6rem; font-size: .72rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--text-dim); text-align: right; }
.cal-month-grid { display: grid; grid-template-columns: repeat(7, 1fr); grid-auto-rows: 1fr; flex: 1 1 auto; min-height: 0; }
.cal-cell {
    border-right: 1px solid var(--border); border-bottom: 1px solid var(--border);
    padding: .3rem .35rem; overflow: hidden; cursor: pointer; display: flex; flex-direction: column; gap: .2rem;
    transition: background .12s; min-height: 0;
}
.cal-cell:hover { background: var(--hover); }
.cal-cell.out { background: color-mix(in srgb, var(--surface-2) 55%, transparent); }
.cal-cell.out .cal-cell-num { color: var(--text-dim); opacity: .6; }
.cal-cell-num { font-size: .82rem; font-weight: 600; color: var(--text); align-self: flex-end; width: 1.6rem; height: 1.6rem; display: grid; place-items: center; border-radius: 50%; }
.cal-cell.today .cal-cell-num { background: var(--primary); color: #fff; }
.cal-cell-events { display: flex; flex-direction: column; gap: 2px; overflow: hidden; }
.cal-more { font-size: .72rem; color: var(--text-dim); padding: 0 .25rem; font-weight: 500; }

.cal-chip {
    display: flex; align-items: center; gap: .3rem; width: 100%; text-align: left; cursor: pointer;
    border: none; border-radius: 5px; padding: .12rem .35rem; font: inherit; font-size: .76rem; line-height: 1.35;
    background: color-mix(in srgb, var(--cal-color) 16%, transparent); color: var(--text);
    overflow: hidden; white-space: nowrap;
}
.cal-chip:hover { background: color-mix(in srgb, var(--cal-color) 28%, transparent); }
.cal-chip.allday { background: var(--cal-color); color: #fff; }
.cal-chip-dot { width: 7px; height: 7px; border-radius: 50%; background: #fff; flex: 0 0 auto; opacity: .9; }
.cal-chip-time { color: var(--cal-color); font-weight: 600; }
.cal-chip.allday .cal-chip-time { color: #fff; }
.cal-chip-text { overflow: hidden; text-overflow: ellipsis; }
.cal-chip::before { content: ""; width: 4px; align-self: stretch; border-radius: 4px; background: var(--cal-color); flex: 0 0 auto; }
.cal-chip.allday::before { display: none; }

/* ---- Week / day time grid ---- */
.cal-timegrid { display: flex; flex-direction: column; flex: 1 1 auto; min-height: 0; --tg-cols: 7; }
.cal-timegrid.day { --tg-cols: 1; }
.cal-tg-head, .cal-tg-allday { display: grid; grid-template-columns: 56px repeat(var(--tg-cols), 1fr); }
.cal-tg-head { border-bottom: 1px solid var(--border); }
.cal-tg-corner { font-size: .68rem; color: var(--text-dim); display: grid; place-items: center; }
.cal-tg-dayhead { text-align: center; padding: .4rem 0 .5rem; border-left: 1px solid var(--border); display: flex; flex-direction: column; align-items: center; gap: .1rem; }
.cal-tg-dow { font-size: .68rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--text-dim); }
.cal-tg-num { font-size: 1.2rem; font-weight: 600; width: 2rem; height: 2rem; display: grid; place-items: center; border-radius: 50%; }
.cal-tg-dayhead.today .cal-tg-num { background: var(--primary); color: #fff; }
.cal-tg-allday { border-bottom: 1px solid var(--border); min-height: 1.8rem; max-height: 5rem; overflow-y: auto; }
.cal-tg-allcell { border-left: 1px solid var(--border); padding: 2px; display: flex; flex-direction: column; gap: 2px; cursor: pointer; }
.cal-tg-body { flex: 1 1 auto; overflow-y: auto; position: relative; display: grid; grid-template-columns: 56px 1fr; }
.cal-tg-hours { display: flex; flex-direction: column; }
.cal-tg-hour { height: 60px; position: relative; }
.cal-tg-hour span { position: absolute; top: -.5rem; right: .4rem; font-size: .68rem; color: var(--text-dim); }
.cal-tg-cols { display: grid; grid-template-columns: repeat(var(--tg-cols), 1fr); }
.cal-tg-col { position: relative; border-left: 1px solid var(--border); }
.cal-tg-slot { height: 60px; border-bottom: 1px solid var(--border); cursor: pointer; }
.cal-tg-slot:hover { background: var(--hover); }
.cal-tg-event {
    position: absolute; left: 2px; right: 2px; cursor: pointer; text-align: left; overflow: hidden;
    border: none; border-left: 3px solid var(--cal-color); border-radius: 5px; padding: .12rem .4rem;
    background: color-mix(in srgb, var(--cal-color) 20%, var(--surface)); color: var(--text);
    font: inherit; font-size: .76rem; line-height: 1.25; display: flex; flex-direction: column;
    box-shadow: var(--shadow-sm);
}
.cal-tg-event:hover { background: color-mix(in srgb, var(--cal-color) 32%, var(--surface)); z-index: 3; }
.cal-tg-ev-title { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cal-tg-ev-time { color: var(--text-dim); font-size: .7rem; }
.cal-tg-now { position: absolute; left: 0; right: 0; height: 2px; background: #ea4335; z-index: 4; }
.cal-tg-now::before { content: ""; position: absolute; left: -4px; top: -3px; width: 8px; height: 8px; border-radius: 50%; background: #ea4335; }

/* ---- Rail: mini month + calendar list ---- */
.cal-mini { margin: .25rem .35rem .75rem; }
.cal-mini-head { display: flex; align-items: center; justify-content: space-between; padding: .25rem .35rem; font-size: .82rem; font-weight: 600; }
.cal-mini-head button { border: none; background: none; cursor: pointer; color: var(--text-dim); font-size: 1.1rem; line-height: 1; padding: 0 .3rem; border-radius: 6px; }
.cal-mini-head button:hover { background: var(--hover); color: var(--text); }
.cal-mini-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 1px; }
.cal-mini-dow { font-size: .64rem; color: var(--text-dim); text-align: center; padding: .15rem 0; }
.cal-mini-day {
    border: none; background: none; cursor: pointer; font: inherit; font-size: .72rem; color: var(--text);
    aspect-ratio: 1; border-radius: 50%; display: grid; place-items: center;
}
.cal-mini-day:hover { background: var(--hover); }
.cal-mini-day.out { color: var(--text-dim); opacity: .45; }
.cal-mini-day.today { color: var(--primary); font-weight: 700; }
.cal-mini-day.sel { background: var(--primary); color: #fff; }

.cal-list-head { display: flex; align-items: center; justify-content: space-between; padding: .5rem .6rem .25rem; font-size: .72rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--text-dim); }
.cal-add-btn { border: none; background: none; cursor: pointer; color: var(--text-dim); font-size: 1.2rem; line-height: 1; width: 1.5rem; height: 1.5rem; border-radius: 50%; }
.cal-add-btn:hover { background: var(--hover); color: var(--text); }
.cal-list { display: flex; flex-direction: column; margin-bottom: .5rem; }
.cal-item { display: flex; align-items: center; border-radius: var(--radius-sm); }
.cal-item:hover { background: var(--hover); }
.cal-item:hover .cal-edit-btn { opacity: 1; }
.cal-check { display: flex; align-items: center; gap: .55rem; flex: 1; padding: .4rem .6rem; cursor: pointer; min-width: 0; }
.cal-check input { display: none; }
.cal-dot { width: 16px; height: 16px; border-radius: 5px; border: 2px solid var(--cal-color); background: var(--cal-color); flex: 0 0 auto; position: relative; }
.cal-check input:not(:checked) ~ .cal-dot { background: transparent; }
.cal-check input:checked ~ .cal-dot::after { content: "✓"; position: absolute; inset: 0; display: grid; place-items: center; color: #fff; font-size: .7rem; font-weight: 700; }
.cal-name { font-size: .9rem; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cal-edit-btn { border: none; background: none; cursor: pointer; opacity: 0; font-size: .8rem; padding: .3rem .5rem; transition: opacity .12s; }

/* ---- Calendar settings (rail) ---- */
.cal-settings { margin: .35rem; padding: .55rem .6rem; background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-sm); }
.cal-settings-head { display: flex; align-items: center; gap: .4rem; font-size: .72rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--text-dim); margin-bottom: .45rem; }
.cal-timeformat { display: flex; align-items: center; justify-content: space-between; gap: .5rem; }
.cal-tf-label { font-size: .85rem; color: var(--text); }
.cal-tf-toggle { display: inline-flex; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-pill); padding: 2px; gap: 2px; }
.cal-tf-btn { border: none; background: none; cursor: pointer; color: var(--text-dim); font: inherit; font-size: .78rem; padding: .2rem .55rem; border-radius: var(--radius-pill); white-space: nowrap; }
.cal-tf-btn.active { background: var(--primary); color: #fff; }

/* ---- Login language picker ---- */
.auth-lang { margin-top: 1.1rem; display: flex; align-items: center; justify-content: center; gap: .5rem; }
.auth-lang label { font-size: .85rem; color: var(--text-dim); }
.auth-lang select { font: inherit; font-size: .9rem; padding: .35rem .5rem; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface); color: var(--text); cursor: pointer; }

/* ---- Docks ---- */
.cal-dock.sm { height: auto; min-height: 0; }
.cal-dock .cal-title-input {
    border: none; background: transparent; outline: none; color: var(--text);
    font: inherit; font-size: 1.3rem; font-weight: 600; padding: .6rem .25rem; border-bottom: 2px solid var(--border);
}
.cal-dock .cal-title-input:focus { border-bottom-color: var(--primary); }
.cal-dock .cal-select { flex: 1; border: none; background: transparent; outline: none; color: var(--text); font: inherit; padding: .2rem 0; cursor: pointer; }
.cal-dock .cal-allday { display: flex; align-items: center; gap: .5rem; padding: .55rem .25rem; border-bottom: 1px solid var(--border); color: var(--text-dim); font-size: .9rem; cursor: pointer; }
.cal-dock .line input[type=datetime-local] { flex: 1; border: none; background: transparent; outline: none; color: var(--text); font: inherit; }
.cal-dock .danger { color: #dc2626; }
.cal-swatches { display: flex; flex-wrap: wrap; gap: .4rem; flex: 1; }
.cal-swatch { width: 26px; height: 26px; border-radius: 50%; border: 2px solid transparent; cursor: pointer; }
.cal-swatch.sel { border-color: var(--text); box-shadow: 0 0 0 2px var(--surface), 0 0 0 4px var(--cal-color, var(--primary)); }

@media (max-width: 900px) {
    .mail:has(.cal-pane) { grid-template-columns: 1fr; }
    .cal-pane { grid-column: 1 / -1; }
    .cal-toolbar { flex-wrap: wrap; }
}