/* ============================================================
   Webmail — Stijlblad met 3 thema's
   Thema's: dark (standaard), light, nord
   ============================================================ */

/* ── Lettertypen ─────────────────────────────────────────── */

/* ── Thema: Dark (standaard) ─────────────────────────────── */
:root,
[data-theme="dark"] {
    --bg-base:        #0f1117;
    --bg-surface:     #181c27;
    --bg-elevated:    #1e2333;
    --bg-hover:       #252b3d;
    --border:         #2a3045;
    --border-focus:   #4a6fa5;

    --text-primary:   #e2e8f0;
    --text-secondary: #8892a4;
    --text-muted:     #4a5568;
    --text-inverse:   #0f1117;

    --accent:         #4a9eff;
    --accent-hover:   #6fb3ff;
    --accent-dim:     rgba(74, 158, 255, 0.12);

    --success:        #48bb78;
    --warning:        #ed8936;
    --danger:         #fc5c65;
    --danger-dim:     rgba(252, 92, 101, 0.12);

    --unread-bg:      #1a2035;
    --unread-dot:     #4a9eff;
    --flagged:        #ed8936;

    --shadow-sm:      0 1px 3px rgba(0,0,0,0.4);
    --shadow-md:      0 4px 12px rgba(0,0,0,0.5);
    --shadow-lg:      0 8px 32px rgba(0,0,0,0.6);
}

/* ── Thema: Light ────────────────────────────────────────── */
[data-theme="light"] {
    --bg-base:        #f0f4f8;
    --bg-surface:     #ffffff;
    --bg-elevated:    #f8fafc;
    --bg-hover:       #edf2f7;
    --border:         #e2e8f0;
    --border-focus:   #4a6fa5;

    --text-primary:   #1a202c;
    --text-secondary: #4a5568;
    --text-muted:     #a0aec0;
    --text-inverse:   #ffffff;

    --accent:         #2b6cb0;
    --accent-hover:   #2c5282;
    --accent-dim:     rgba(43, 108, 176, 0.08);

    --success:        #276749;
    --warning:        #c05621;
    --danger:         #c53030;
    --danger-dim:     rgba(197, 48, 48, 0.08);

    --unread-bg:      #ebf4ff;
    --unread-dot:     #2b6cb0;
    --flagged:        #c05621;

    --shadow-sm:      0 1px 3px rgba(0,0,0,0.08);
    --shadow-md:      0 4px 12px rgba(0,0,0,0.12);
    --shadow-lg:      0 8px 32px rgba(0,0,0,0.16);
}

/* ── Thema: Nord ─────────────────────────────────────────── */
[data-theme="nord"] {
    --bg-base:        #2e3440;
    --bg-surface:     #3b4252;
    --bg-elevated:    #434c5e;
    --bg-hover:       #4c566a;
    --border:         #4c566a;
    --border-focus:   #88c0d0;

    --text-primary:   #eceff4;
    --text-secondary: #d8dee9;
    --text-muted:     #4c566a;
    --text-inverse:   #2e3440;

    --accent:         #88c0d0;
    --accent-hover:   #8fbcbb;
    --accent-dim:     rgba(136, 192, 208, 0.12);

    --success:        #a3be8c;
    --warning:        #ebcb8b;
    --danger:         #bf616a;
    --danger-dim:     rgba(191, 97, 106, 0.12);

    --unread-bg:      #3b4252;
    --unread-dot:     #88c0d0;
    --flagged:        #ebcb8b;

    --shadow-sm:      0 1px 3px rgba(0,0,0,0.3);
    --shadow-md:      0 4px 12px rgba(0,0,0,0.4);
    --shadow-lg:      0 8px 32px rgba(0,0,0,0.5);
}

/* ── Reset & Base ────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 15px; -webkit-text-size-adjust: 100%; }

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg-base);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    transition: background 0.2s, color 0.2s;
}

/* ── Layout ──────────────────────────────────────────────── */
.app-wrapper {
    display: grid;
    grid-template-columns: 220px 1fr;
    grid-template-rows: auto 1fr;
    min-height: 100vh;
}

.app-topbar {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0 1.5rem;
    height: 52px;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

.app-topbar .logo {
    font-family: 'Cascadia Code', 'Fira Mono', 'Consolas', monospace;
    font-weight: 500;
    font-size: 1rem;
    color: var(--accent);
    letter-spacing: -0.03em;
    text-decoration: none;
}

.app-topbar .spacer { flex: 1; }

.app-topbar .user-info {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-family: 'Cascadia Code', 'Fira Mono', 'Consolas', monospace;
}

/* ── Gebruikersmenu ──────────────────────────────────────── */
.user-menu { position: relative; }
.user-menu-trigger {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    background: none;
    border: 1px solid transparent;
    border-radius: 6px;
    padding: 0.35rem 0.6rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-family: 'Cascadia Code', 'Fira Mono', 'Consolas', monospace;
    cursor: pointer;
}
.user-menu-trigger:hover { background: var(--bg-hover); color: var(--text-primary); }
.user-menu-caret { font-size: 0.65rem; opacity: 0.7; }
.user-menu-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.4rem;
    min-width: 200px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    z-index: 220;
    padding: 0.5rem;
}
.user-menu-dropdown[hidden] { display: none; }
.user-menu-theme-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.3rem 0.5rem;
}
.user-menu-label { font-size: 0.75rem; color: var(--text-muted); }
.user-menu-divider { height: 1px; background: var(--border); margin: 0.4rem 0; }
.user-menu-item {
    display: block;
    padding: 0.5rem 0.5rem;
    font-size: 0.85rem;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 4px;
}
.user-menu-item:hover { background: var(--bg-hover); }

.app-sidebar {
    background: var(--bg-surface);
    border-right: 1px solid var(--border);
    padding: 1rem 0;
    overflow-y: auto;
}

.app-content {
    background: var(--bg-base);
    overflow-y: auto;
    padding: 1.5rem;
}

/* ── Sidebar navigatie ───────────────────────────────────── */
.nav-section { margin-bottom: 1.5rem; }

.nav-section-title {
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
    padding: 0 1rem 0.4rem;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 0;
    cursor: pointer;
    transition: background 0.12s, color 0.12s;
    border: none;
    background: none;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    width: 100%;
    text-align: left;
}

.nav-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.nav-item.active {
    background: var(--accent-dim);
    color: var(--accent);
    font-weight: 500;
}

.nav-item .badge {
    margin-left: auto;
    flex-shrink: 0;
    background: var(--accent);
    color: var(--text-inverse);
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.1rem 0.45rem;
    border-radius: 999px;
    font-family: 'Cascadia Code', 'Fira Mono', 'Consolas', monospace;
}

.nav-item-label {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ── Berichten lijst ─────────────────────────────────────── */
.message-list {
    background: var(--bg-surface);
    border-radius: 8px;
    border: 1px solid var(--border);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.message-item {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 0.75rem;
    align-items: center;
    padding: 0.85rem 1.25rem;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    transition: background 0.1s;
    text-decoration: none;
    color: inherit;
}

.message-item:last-child { border-bottom: none; }

.message-item:hover { background: var(--bg-hover); }

.message-item.unread {
    background: var(--unread-bg);
    font-weight: 500;
}

.message-item .unread-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--unread-dot);
    flex-shrink: 0;
}

.message-item.read .unread-dot { background: transparent; }

.message-meta { min-width: 0; }
.message-from {
    font-size: 0.875rem;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--text-primary);
}
.message-subject {
    font-size: 0.825rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.message-item.unread .message-subject { color: var(--text-primary); }

.message-date {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: 'Cascadia Code', 'Fira Mono', 'Consolas', monospace;
    white-space: nowrap;
}

/* ── Mail viewer ─────────────────────────────────────────── */
.mail-header {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 8px 8px 0 0;
    padding: 1.25rem 1.5rem;
    box-shadow: var(--shadow-sm);
}

.mail-subject {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.mail-meta-row {
    display: flex;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.mail-meta-label {
    font-weight: 500;
    color: var(--text-muted);
    min-width: 40px;
}

.mail-body-frame {
    width: 100%;
    min-height: 400px;
    border: 1px solid var(--border);
    border-top: none;
    border-radius: 0 0 8px 8px;
    background: #ffffff;
}

/* ── Knoppen ─────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid transparent;
    transition: background 0.12s, border-color 0.12s, color 0.12s;
    text-decoration: none;
    font-family: inherit;
}

.btn-primary {
    background: var(--accent);
    color: var(--text-inverse);
    border-color: var(--accent);
}
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border-color: var(--border);
}
.btn-ghost:hover { background: var(--bg-hover); color: var(--text-primary); }

.btn-danger {
    background: var(--danger-dim);
    color: var(--danger);
    border-color: var(--danger);
}
.btn-danger:hover { background: var(--danger); color: var(--text-inverse); }

.btn-sm { padding: 0.3rem 0.65rem; font-size: 0.8rem; }
.btn-block { width: 100%; justify-content: center; }

/* ── Utility-klassen ─────────────────────────────────────────
   Bewust een kleine, vaste set voor patronen die op meerdere
   pagina's identiek terugkomen — geen inline style="", want die
   worden door de CSP (style-src zonder 'unsafe-inline') net zo
   genegeerd als inline <style>-blokken (zie docs/security.md). */
.text-center { text-align: center; }
.form-hint { font-size: 0.75rem; color: var(--text-muted); margin-top: 0.4rem; }
.form-group-inline { display: flex; align-items: center; gap: 0.5rem; }
.checkbox-label { font-size: 0.8rem; color: var(--text-secondary); cursor: pointer; }
.totp-code-input { font-family: 'Cascadia Code', 'Fira Mono', 'Consolas', monospace; font-size: 1.2rem; letter-spacing: 0.15em; text-align: center; }
.totp-secret-display { font-family: 'Cascadia Code', 'Fira Mono', 'Consolas', monospace; font-size: 0.85rem; color: var(--text-primary); margin-top: 0.3rem; word-break: break-all; }

/* ── Formulieren ─────────────────────────────────────────── */
.form-group { margin-bottom: 1.25rem; }

.form-label {
    display: block;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
    letter-spacing: 0.02em;
}

.form-control {
    width: 100%;
    padding: 0.6rem 0.85rem;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: inherit;
    transition: border-color 0.12s, box-shadow 0.12s;
    outline: none;
}

.form-control:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--accent-dim);
}

/* ── Meldingen ───────────────────────────────────────────── */
.alert {
    padding: 0.75rem 1rem;
    border-radius: 6px;
    font-size: 0.875rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
}
.alert-error   { background: var(--danger-dim);  color: var(--danger);  border-color: var(--danger); }
.alert-success { background: rgba(72,187,120,.12); color: var(--success); border-color: var(--success); }

/* ── Login pagina ────────────────────────────────────────── */
.login-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-base);
    padding: 2rem;
}

.login-card {
    width: 100%;
    max-width: 380px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
}

.login-logo {
    font-family: 'Cascadia Code', 'Fira Mono', 'Consolas', monospace;
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--accent);
    text-align: center;
    margin-bottom: 0.4rem;
    letter-spacing: -0.03em;
}

.login-subtitle {
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    font-family: 'Cascadia Code', 'Fira Mono', 'Consolas', monospace;
}

/* ── QR code setup ───────────────────────────────────────── */
.qr-wrap {
    text-align: center;
    padding: 1.5rem;
    background: var(--bg-elevated);
    border-radius: 8px;
    border: 1px solid var(--border);
    margin-bottom: 1.5rem;
}

.qr-wrap img { border-radius: 4px; }

.backup-codes {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
    margin: 1rem 0;
}

.backup-code {
    font-family: 'Cascadia Code', 'Fira Mono', 'Consolas', monospace;
    font-size: 0.8rem;
    padding: 0.4rem 0.6rem;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 4px;
    text-align: center;
    color: var(--text-primary);
    letter-spacing: 0.05em;
}

/* ── Thema switcher ──────────────────────────────────────── */
.theme-switcher {
    display: flex;
    gap: 0.4rem;
    padding: 0.25rem;
    background: var(--bg-base);
    border-radius: 6px;
}

.theme-btn {
    width: 24px;
    height: 24px;
    border-radius: 4px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: border-color 0.12s, transform 0.1s;
}

.theme-btn:hover { transform: scale(1.1); }
.theme-btn.active { border-color: var(--accent); }
.theme-btn[data-theme="dark"]  { background: #0f1117; }
.theme-btn[data-theme="light"] { background: #f0f4f8; border: 2px solid var(--border); }
.theme-btn[data-theme="nord"]  { background: #2e3440; }

/* ── Paginering ──────────────────────────────────────────── */
.pagination {
    display: flex;
    gap: 0.4rem;
    justify-content: center;
    margin-top: 1.25rem;
}

/* ── Iconen (inline SVG klassen) ─────────────────────────── */
.icon { width: 16px; height: 16px; flex-shrink: 0; vertical-align: middle; }

/* ── Toolbar boven berichtenlijst ───────────────────────── */
.list-toolbar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.list-toolbar h1 {
    font-size: 1rem;
    font-weight: 600;
    font-family: 'Cascadia Code', 'Fira Mono', 'Consolas', monospace;
    color: var(--text-primary);
}

/* ── Responsief ──────────────────────────────────────────── */
@media (max-width: 768px) {
    /* Alle tekst schaalt mee met de root font-size (rem-eenheden overal),
       dus dit maakt in één keer alle tekst op de hele site iets groter op
       telefoonschermen i.p.v. per los element te moeten aanpassen. */
    html { font-size: 17px; }
}

@media (max-width: 700px) {
    .app-wrapper {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto 1fr;
    }
    .app-sidebar {
        display: none;
        border-right: none;
        border-bottom: 1px solid var(--border);
    }
    .app-sidebar.open { display: block; }
    .app-content { padding: 1rem; }
    .message-item { padding: 0.75rem 1rem; }
}

/* ── Scrollbars ──────────────────────────────────────────── */
::-webkit-scrollbar {
    width: 5px;
    height: 5px;
}
::-webkit-scrollbar-track {
    background: var(--bg-base);
}
::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 999px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}
/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--border) var(--bg-base);
}

/* ── Compose popup (blurred backdrop) ───────────────────────── */
.compose-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
}
.compose-modal-overlay[hidden] {
    display: none;
}
.compose-modal-box {
    position: relative;
    width: min(760px, 94vw);
    height: min(680px, 90vh);
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
    overflow: hidden;
}
.compose-modal-close {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    z-index: 2;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 50%;
    width: 28px;
    height: 28px;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1;
}
.compose-modal-close:hover { background: var(--bg-hover); color: var(--text-primary); }
.compose-modal-frame {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
}

/* ── Rechtsklik-contextmenu (mappen en berichten) ───────────── */
.folder-context-menu {
    position: absolute;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
    z-index: 210;
    padding: 0.25rem;
}
.folder-context-menu button {
    display: block;
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    padding: 0.4rem 0.75rem;
    font-size: 0.8rem;
    color: var(--text-primary);
    cursor: pointer;
    border-radius: 4px;
    white-space: nowrap;
}
.folder-context-menu button:hover { background: var(--bg-hover); }

/* ── Eigen confirm/prompt/alert-dialoog ─────────────────────── */
.dialog-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    z-index: 300;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}
.dialog-overlay[hidden] { display: none; }
.dialog-box {
    width: min(420px, 100%);
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
    padding: 1.25rem;
}
.dialog-message {
    font-size: 0.9rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
    white-space: pre-wrap;
}
.dialog-input-wrap { margin-bottom: 1rem; }
.dialog-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
}