/* MailX — design tokens for both themes. `data-theme` is set on <html>
   before paint by app/Views/layout/theme-init.php (localStorage > OS
   preference > dark default) to avoid a flash of the wrong theme. */

:root {
    /* Dark theme (default) */
    --bg-app: #0b0f16;
    --bg-panel: #121826;
    --bg-panel-alt: #161e2e;
    --bg-input: #0f1520;
    --border-subtle: #232d40;
    --border-strong: #2f3b52;

    --text-primary: #e8edf5;
    --text-secondary: #93a1b8;
    --text-muted: #5c6a84;

    --accent: #22d3ee;
    --accent-strong: #06b6d4;
    --accent-soft: rgba(34, 211, 238, 0.12);
    --accent-contrast: #04222b;

    --success: #34d399;
    --success-soft: rgba(52, 211, 153, 0.12);
    --danger: #f87171;
    --danger-soft: rgba(248, 113, 113, 0.12);
    --warning: #fbbf24;
    --warning-soft: rgba(251, 191, 36, 0.12);

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;

    --shadow-panel: 0 1px 0 rgba(255, 255, 255, 0.02) inset, 0 8px 24px rgba(0, 0, 0, 0.28);

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
}

:root[data-theme="light"] {
    --bg-app: #f4f6f9;
    --bg-panel: #ffffff;
    --bg-panel-alt: #f1f4f9;
    --bg-input: #ffffff;
    --border-subtle: #e2e8f0;
    --border-strong: #cbd5e1;

    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #8493a8;

    /* Darker/more saturated than the dark theme's accent — the original
       bright cyan fails contrast on a white background. */
    --accent: #0891b2;
    --accent-strong: #0e7490;
    --accent-soft: rgba(8, 145, 178, 0.10);
    --accent-contrast: #ffffff;

    --success: #059669;
    --success-soft: rgba(5, 150, 105, 0.10);
    --danger: #dc2626;
    --danger-soft: rgba(220, 38, 38, 0.10);
    --warning: #d97706;
    --warning-soft: rgba(217, 119, 6, 0.10);

    --shadow-panel: 0 1px 0 rgba(255, 255, 255, 0.6) inset, 0 4px 16px rgba(15, 23, 42, 0.06);
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    /* Hard safety net: no element on the page (a wide table cell, a long
       unbreakable string, anything) can force the whole page to scroll
       sideways — each one is responsible for containing its own overflow
       (see .table-responsive), never the page as a whole. */
    max-width: 100%;
    overflow-x: hidden;
}

body {
    transition: background-color 0.15s ease, color 0.15s ease;
    background: var(--bg-app);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 14px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

h1, h2, h3, h4 {
    margin: 0 0 8px;
    font-weight: 600;
    letter-spacing: -0.01em;
}

p {
    margin: 0 0 12px;
    color: var(--text-secondary);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Top bar */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    padding: 14px 24px;
    background: var(--bg-panel);
    border-bottom: 1px solid var(--border-subtle);
    position: sticky;
    top: 0;
    z-index: 35;
}

.app-topbar {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    height: 74px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 16px;
    letter-spacing: 0.02em;
}

.brand-mark {
    width: 30px;
    height: 30px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-contrast);
    font-weight: 800;
}

.brand-name {
    color: var(--text-primary);
}

.brand-name span {
    color: var(--accent);
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.topbar-username {
    white-space: nowrap;
    max-width: 160px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.topbar-user,
.topbar-controls {
    display: flex;
    align-items: center;
    gap: 14px;
}

/* Cards / panels */
.card {
    background: var(--bg-panel);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-panel);
    padding: 18px 20px;
}

.card-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.grid {
    display: grid;
    gap: 16px;
}

.grid-cols-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

/* Stat tiles */
.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-value.ok { color: var(--success); }
.stat-value.warn { color: var(--warning); }
.stat-value.bad { color: var(--danger); }

/* Status badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
}

.badge-ok { background: var(--success-soft); color: var(--success); }
.badge-warn { background: var(--warning-soft); color: var(--warning); }
.badge-bad { background: var(--danger-soft); color: var(--danger); }
.badge-neutral { background: var(--accent-soft); color: var(--accent); }

.badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 9px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-strong);
    background: var(--bg-panel-alt);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s ease, border-color 0.15s ease, transform 0.05s ease;
}

.btn:hover {
    border-color: var(--accent);
    text-decoration: none;
}

.btn:active {
    transform: translateY(1px);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    border-color: transparent;
    color: var(--accent-contrast);
}

.btn-primary:hover {
    filter: brightness(1.05);
}

/* Forms */
label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
select,
textarea {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    padding: 9px 12px;
    font-family: inherit;
    font-size: 13px;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
}

th {
    text-align: left;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    padding: 8px 10px;
    border-bottom: 1px solid var(--border-subtle);
}

td {
    padding: 10px;
    border-bottom: 1px solid var(--border-subtle);
    font-size: 13px;
}

code, .mono {
    font-family: var(--font-mono);
    font-size: 12.5px;
}

.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }

/* Theme toggle */
.theme-toggle-btn {
    padding: 9px 11px;
    font-size: 15px;
    line-height: 1;
}

.theme-toggle-btn .theme-icon-dark,
.theme-toggle-btn .theme-icon-light {
    display: none;
}

/* Icon shown = the theme you'll switch TO. */
:root[data-theme="dark"] .theme-toggle-btn .theme-icon-light { display: inline; }
:root[data-theme="light"] .theme-toggle-btn .theme-icon-dark { display: inline; }

/* Standalone placement for pages without the app shell (login, register, status). */
.theme-toggle-standalone {
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 50;
}
