/* Live Voice Assistant — shared design system
   Dark, glow-accented, mobile-first, card-based, large touch targets (>=44px). */

:root {
    --color-bg: #0a0e1a;
    --color-bg-alt: #0d1326;
    --color-surface: #121a30;
    --color-surface-muted: #1a2440;
    --color-border: #26325a;
    --color-text: #eef2ff;
    --color-text-muted: #8b93b8;
    --color-primary: #8b5cf6;
    --color-primary-strong: #a78bfa;
    --color-primary-contrast: #0a0e1a;
    --color-accent: #00e0ff;
    --color-danger: #ff3b6b;
    --color-warning: #ffb020;
    --color-success: #2de8a0;
    --color-offline: #5a6488;
    --grad-brand: linear-gradient(135deg, #00e0ff 0%, #8b3dff 100%);
    --radius-md: 12px;
    --radius-lg: 18px;
    --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.3), 0 4px 24px rgba(0, 0, 0, 0.35);
    --glow-primary: 0 0 18px color-mix(in srgb, var(--color-primary) 55%, transparent);
    --glow-accent: 0 0 18px color-mix(in srgb, var(--color-accent) 55%, transparent);
    --touch-min: 44px;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--color-bg);
    color: var(--color-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans Thai", Sarabun, Roboto, sans-serif;
    -webkit-tap-highlight-color: transparent;
}

body {
    padding-bottom: calc(72px + env(safe-area-inset-bottom, 0px));
    background:
        radial-gradient(60vw 40vh at 15% -5%, color-mix(in srgb, #00e0ff 16%, transparent), transparent 60%),
        radial-gradient(60vw 40vh at 90% 10%, color-mix(in srgb, #8b3dff 18%, transparent), transparent 60%),
        var(--color-bg);
    background-attachment: fixed;
    min-height: 100vh;
}

a { color: inherit; }

.app-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: color-mix(in srgb, var(--color-surface) 88%, transparent);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    padding: 14px 16px calc(14px + env(safe-area-inset-top, 0px));
    padding-top: max(14px, env(safe-area-inset-top, 0px));
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.app-header__brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.app-header__logo {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    filter: drop-shadow(0 0 6px color-mix(in srgb, var(--color-accent) 45%, transparent));
}

.app-header__title {
    font-size: 17px;
    font-weight: 700;
    margin: 0;
    letter-spacing: 0.01em;
}

.app-header__actions { display: flex; gap: 8px; align-items: center; }

.container {
    max-width: 640px;
    margin: 0 auto;
    padding: 12px 12px 24px;
}

.card {
    background: color-mix(in srgb, var(--color-surface) 92%, transparent);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    padding: 16px;
    margin-bottom: 12px;
}

.card__title {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-muted);
    margin: 0 0 10px;
}

.status-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--color-surface-muted);
    font-size: 15px;
}
.status-row:last-child { border-bottom: none; }

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    background: var(--color-surface-muted);
    color: var(--color-text-muted);
    max-width: 60vw;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.badge__dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: currentColor;
}
.badge--online {
    color: var(--color-success);
    background: color-mix(in srgb, var(--color-success) 16%, transparent);
    box-shadow: 0 0 12px color-mix(in srgb, var(--color-success) 35%, transparent);
}
.badge--offline { color: var(--color-offline); }
.badge--error {
    color: var(--color-danger);
    background: color-mix(in srgb, var(--color-danger) 16%, transparent);
    box-shadow: 0 0 12px color-mix(in srgb, var(--color-danger) 30%, transparent);
}
.badge--warning { color: var(--color-warning); background: color-mix(in srgb, var(--color-warning) 16%, transparent); }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: var(--touch-min);
    padding: 10px 18px;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    background: var(--color-surface-muted);
    color: var(--color-text);
    touch-action: manipulation;
    transition: transform 0.1s ease, box-shadow 0.15s ease;
}
.btn:active { transform: scale(0.98); }
.btn--primary {
    background: var(--grad-brand);
    color: #ffffff;
    box-shadow: var(--glow-primary);
}
.btn--danger { background: var(--color-danger); color: #fff; }
.btn--outline { background: transparent; border-color: var(--color-border); }
.btn--block { width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.input, select.input, textarea.input {
    width: 100%;
    min-height: var(--touch-min);
    padding: 10px 12px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background: var(--color-bg-alt);
    color: var(--color-text);
    font-size: 15px;
}
.input:focus, select.input:focus, textarea.input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 25%, transparent);
}
textarea.input { min-height: 80px; resize: vertical; }

.field { margin-bottom: 12px; }
.field label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-muted);
    margin-bottom: 6px;
}

.range-row { display: flex; align-items: center; gap: 10px; }
.range-row input[type="range"] { flex: 1; height: var(--touch-min); accent-color: var(--color-primary); }
.range-row output { min-width: 42px; text-align: right; font-variant-numeric: tabular-nums; }

.alert {
    padding: 10px 14px;
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    font-size: 14px;
}
.alert--error { background: color-mix(in srgb, var(--color-danger) 16%, transparent); color: #ff9cb5; }
.alert--success { background: color-mix(in srgb, var(--color-success) 16%, transparent); color: var(--color-success); }

.queue-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 10px 0;
    border-bottom: 1px solid var(--color-surface-muted);
}
.queue-item:last-child { border-bottom: none; }
.queue-item__top { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.queue-item__user { font-weight: 700; font-size: 14px; color: var(--color-accent); }
.queue-item__msg { font-size: 15px; word-break: break-word; }
.queue-item__actions { display: flex; gap: 8px; margin-top: 6px; }
.queue-item__actions .btn { padding: 6px 12px; min-height: 36px; font-size: 13px; }

.priority-tag {
    font-size: 11px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 999px;
    text-transform: uppercase;
}
.priority-tag--low { background: var(--color-surface-muted); color: var(--color-text-muted); }
.priority-tag--normal { background: color-mix(in srgb, var(--color-accent) 16%, transparent); color: var(--color-accent); }
.priority-tag--high { background: color-mix(in srgb, var(--color-warning) 18%, transparent); color: var(--color-warning); }
.priority-tag--urgent {
    background: color-mix(in srgb, var(--color-danger) 18%, transparent);
    color: var(--color-danger);
    box-shadow: 0 0 8px color-mix(in srgb, var(--color-danger) 40%, transparent);
}

.speaking-box {
    background: var(--color-surface-muted);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 14px;
    font-size: 17px;
    font-weight: 600;
    min-height: 60px;
    display: flex;
    align-items: center;
}
.speaking-box:not(.speaking-box--empty) {
    border-color: color-mix(in srgb, var(--color-primary) 50%, var(--color-border));
    box-shadow: var(--glow-primary);
}
.speaking-box--empty { color: var(--color-text-muted); font-weight: 400; font-size: 15px; }

.bottom-bar {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    z-index: 30;
    display: flex;
    gap: 8px;
    padding: 10px 12px calc(10px + env(safe-area-inset-bottom, 0px));
    background: color-mix(in srgb, var(--color-surface) 92%, transparent);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid var(--color-border);
}
.bottom-bar .btn { flex: 1; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.text-muted { color: var(--color-text-muted); }
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.small { font-size: 13px; }

.switch {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    min-height: var(--touch-min);
}
.switch input[type="checkbox"] {
    width: 44px;
    height: 26px;
    appearance: none;
    background: var(--color-surface-muted);
    border: 1px solid var(--color-border);
    border-radius: 999px;
    position: relative;
    cursor: pointer;
    flex-shrink: 0;
    transition: box-shadow 0.15s ease;
}
.switch input[type="checkbox"]::before {
    content: "";
    position: absolute;
    top: 2px; left: 2px;
    width: 20px; height: 20px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 1px 2px rgba(0,0,0,0.4);
    transition: transform 0.15s ease;
}
.switch input[type="checkbox"]:checked {
    background: var(--grad-brand);
    box-shadow: var(--glow-primary);
}
.switch input[type="checkbox"]:checked::before {
    transform: translateX(18px);
}

.login-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px 16px;
}
.login-card { width: 100%; max-width: 380px; }
.login-brand { text-align: center; margin-bottom: 24px; }
.login-brand__logo {
    width: 56px;
    height: 56px;
    margin: 0 auto 14px;
    filter: drop-shadow(0 0 16px color-mix(in srgb, var(--color-accent) 55%, transparent));
}
.login-brand__name {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: 0.01em;
    background: var(--grad-brand);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.login-brand__tagline { color: var(--color-text-muted); font-size: 13px; margin-top: 4px; }