/* ═══════════════════════════════════════════════════════
   Yandex Smart Home — Premium UI v5
   Clean commercial design, dark + glassmorphism
   ═══════════════════════════════════════════════════════ */

:root {
    --bg:         #0a0a0f;
    --surface:    #121218;
    --surface-2:  #1a1a24;
    --surface-3:  #22222e;
    --surface-4:  #2a2a38;
    --surface-5:  #33333f;

    --text:       #f5f6fa;
    --text-2:     #c8cad3;
    --text-3:     #8b8d9a;
    --text-4:     #5a5c68;

    --accent:     #6366f1;
    --accent-h:   #818cf8;
    --accent-d:   #4f46e5;
    --accent-soft: rgba(99,102,241,.12);
    --accent-glow: rgba(99,102,241,.3);

    --success:    #22c55e;
    --success-soft: rgba(34,197,94,.12);
    --danger:     #ef4444;
    --danger-soft: rgba(239,68,68,.1);
    --warning:    #f59e0b;
    --warning-soft: rgba(245,158,11,.1);

    --border:     rgba(255,255,255,.07);
    --border-2:   rgba(255,255,255,.04);
    --border-3:   rgba(255,255,255,.11);

    --shadow:     0 4px 20px rgba(0,0,0,.35);
    --shadow-sm:  0 2px 8px rgba(0,0,0,.2);
    --shadow-lg:  0 12px 40px rgba(0,0,0,.45);
    --glow:       0 0 20px var(--accent-glow);

    --r-xs: 4px;
    --r-sm: 8px;
    --r-md: 12px;
    --r-lg: 16px;
    --r-xl: 24px;
    --r-full: 9999px;

    --t-fast: .15s cubic-bezier(.4,0,.2,1);
    --t-med:  .25s cubic-bezier(.4,0,.2,1);
    --t-slow: .4s cubic-bezier(.4,0,.2,1);
    --t-spring: .5s cubic-bezier(.34,1.56,.64,1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--text);
    line-height: 1.55;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* Interior background */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background: url('/static/img/background.jpg') center / cover no-repeat;
    z-index: -2;
}

/* Dark overlay on top of background for readability */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    background: linear-gradient(180deg,
        rgba(10,10,15,.75) 0%,
        rgba(10,10,15,.85) 40%,
        rgba(10,10,15,.92) 100%);
    z-index: -1;
}

/* ═══ Icons ═══ */
.icon { display: inline-flex; flex-shrink: 0; }
.icon svg { width: 100%; height: 100%; }

/* ═══ Login ═══ */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 1rem;
}
.login-card {
    background: rgba(18,18,24,.9);
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    padding: 2.5rem 2rem;
    width: 100%;
    max-width: 400px;
    text-align: center;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    animation: cardIn var(--t-spring) both;
}
@keyframes cardIn {
    from { opacity: 0; transform: translateY(20px) scale(.96); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}
.login-logo {
    width: 56px; height: 56px;
    margin: 0 auto 1.25rem;
    background: linear-gradient(135deg, var(--accent), var(--accent-d));
    border-radius: var(--r-md);
    display: flex; align-items: center; justify-content: center;
    color: #fff;
    box-shadow: var(--glow);
}
.login-card h1 { font-size: 1.4rem; font-weight: 600; letter-spacing: -.02em; margin-bottom: .25rem; }
.login-subtitle { color: var(--text-3); font-size: .85rem; margin-bottom: 1.75rem; }
.login-form { display: flex; flex-direction: column; gap: .75rem; }
.login-form button { margin-top: .5rem; }

.flash {
    padding: .65rem .85rem;
    border-radius: var(--r-sm);
    margin-bottom: 1rem;
    font-size: .82rem;
    text-align: left;
    animation: slideDown var(--t-med) both;
}
@keyframes slideDown { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }
.flash-error   { background: var(--danger-soft); color: var(--danger); border: 1px solid rgba(239,68,68,.25); }
.flash-warning { background: var(--warning-soft); color: var(--warning); border: 1px solid rgba(245,158,11,.25); }

/* ═══ Topbar ═══ */
.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 1.5rem;
    height: 56px;
    background: rgba(18,18,24,.8);
    border-bottom: 1px solid var(--border);
    position: sticky; top: 0; z-index: 100;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}
.topbar-brand { display: flex; align-items: center; gap: .55rem; }
.topbar-logo {
    width: 30px; height: 30px;
    background: linear-gradient(135deg, var(--accent), var(--accent-d));
    border-radius: var(--r-sm);
    display: flex; align-items: center; justify-content: center;
    color: #fff; box-shadow: 0 0 10px var(--accent-glow);
}
.topbar-title { font-size: .95rem; font-weight: 600; letter-spacing: -.01em; }
.topbar-right { display: flex; gap: .25rem; align-items: center; }

.nav-link {
    color: var(--text-3);
    text-decoration: none;
    font-size: .8rem; font-weight: 500;
    padding: .4rem .65rem;
    border-radius: var(--r-sm);
    transition: all var(--t-fast);
    display: inline-flex; align-items: center; gap: .35rem;
}
.nav-link:hover { color: var(--text); background: var(--surface-2); }
.nav-btn {
    background: transparent; border: none; color: var(--text-3);
    cursor: pointer; padding: .35rem; border-radius: var(--r-sm);
    transition: all var(--t-fast); display: inline-flex; align-items: center;
}
.nav-btn:hover { background: var(--surface-2); color: var(--text); }
.nav-btn:active { transform: scale(.92); }

/* ═══ Layout ═══ */
.container { max-width: 1100px; margin: 0 auto; padding: 2rem 1.25rem 4rem; }

.section-header {
    display: flex; align-items: center; gap: .6rem;
    margin-bottom: 1rem; margin-top: 2rem;
}
.section-header:first-child { margin-top: 0; }
.section-icon {
    width: 34px; height: 34px; border-radius: var(--r-sm);
    background: var(--surface-2); border: 1px solid var(--border);
    display: flex; align-items: center; justify-content: center;
    color: var(--text-2);
}
.section-title { font-size: 1.1rem; font-weight: 600; letter-spacing: -.02em; }
.section-count {
    font-size: .7rem; color: var(--text-3);
    background: var(--surface-2); padding: .15rem .5rem;
    border-radius: var(--r-full); border: 1px solid var(--border);
    font-weight: 500; font-family: 'JetBrains Mono', monospace;
}

/* ═══ Cards ═══ */
.speakers-grid, .devices-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: .8rem;
}
.speaker-card, .device-card {
    background: rgba(26,26,36,.6);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 1.1rem;
    display: flex; flex-direction: column; gap: .65rem;
    transition: all var(--t-med);
    position: relative; overflow: hidden;
    animation: cardIn var(--t-slow) both;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}
.speaker-card:hover, .device-card:hover {
    border-color: var(--border-3);
    background: rgba(34,34,46,.7);
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

/* ═══ Card header ═══ */
.device-header, .speaker-header {
    display: flex; justify-content: space-between; align-items: flex-start; gap: .75rem;
}
.device-header-left { display: flex; gap: .6rem; align-items: center; }

.device-icon-wrapper {
    width: 40px; height: 40px; border-radius: var(--r-sm);
    background: var(--surface-2); border: 1px solid var(--border);
    display: flex; align-items: center; justify-content: center;
    color: var(--text-2); flex-shrink: 0; overflow: hidden;
}
.device-icon-wrapper img { width: 28px; height: 28px; }
.device-icon-wrapper .icon { color: var(--text-2); }

.device-name, .speaker-name { font-weight: 600; font-size: .9rem; letter-spacing: -.01em; }
.device-type-pill {
    display: inline-block; font-size: .62rem; color: var(--text-3);
    background: var(--surface-2); padding: .08rem .35rem;
    border-radius: var(--r-xs); border: 1px solid var(--border-2);
    font-weight: 500; margin-top: .15rem;
}
.device-room, .speaker-room {
    font-size: .7rem; color: var(--text-3);
    display: inline-flex; align-items: center; gap: .2rem;
}
.device-state, .speaker-state {
    display: flex; align-items: center; gap: .3rem;
    font-size: .7rem; color: var(--text-3); white-space: nowrap; flex-shrink: 0;
}
.state-dot {
    width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; transition: all var(--t-fast);
}
.state-on { background: var(--success); box-shadow: 0 0 6px var(--success); animation: pulse 2.5s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .55; } }
.state-off { background: var(--text-4); }

/* ═══ Buttons ═══ */
.btn-primary, .btn-secondary {
    border: none; border-radius: var(--r-sm); padding: .55rem 1.1rem;
    font-size: .83rem; font-weight: 500; cursor: pointer;
    transition: all var(--t-fast); font-family: inherit; white-space: nowrap;
    display: inline-flex; align-items: center; justify-content: center; gap: .35rem;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-h); box-shadow: 0 0 16px var(--accent-glow); }
.btn-primary:active { transform: scale(.97); }
.btn-primary:disabled { opacity: .4; cursor: not-allowed; box-shadow: none; }
.btn-secondary { background: var(--surface-3); color: var(--text-2); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--surface-4); border-color: var(--border-3); }
.btn-secondary:disabled { opacity: .4; cursor: not-allowed; }

.btn-small {
    padding: .3rem .6rem; font-size: .73rem; font-weight: 500;
    border-radius: var(--r-xs); border: 1px solid transparent; cursor: pointer;
    transition: all var(--t-fast); font-family: inherit; white-space: nowrap;
    display: inline-flex; align-items: center; gap: .25rem;
}
.btn-small:active { transform: scale(.95); }
.btn-small:disabled { opacity: .4; cursor: not-allowed; }
.btn-on  { background: var(--success); color: #fff; }
.btn-on:hover { filter: brightness(1.1); }
.btn-off { background: var(--danger); color: #fff; }
.btn-off:hover { filter: brightness(1.1); }
.btn-quasar { background: var(--surface-3); color: var(--text-2); border: 1px solid var(--border); }
.btn-quasar:hover { border-color: var(--accent); color: var(--text); }
.btn-danger { background: var(--danger-soft); color: var(--danger); border: 1px solid rgba(239,68,68,.2); }
.btn-danger:hover { background: rgba(239,68,68,.15); }

/* ═══ Inputs ═══ */
.text-input, .password-input, textarea, .tts-inline input[type=text] {
    width: 100%; background: rgba(10,10,15,.5); border: 1px solid var(--border);
    color: var(--text); border-radius: var(--r-sm); padding: .55rem .8rem;
    font-size: .85rem; font-family: inherit; outline: none; transition: all var(--t-fast);
}
.text-input:focus, .password-input:focus, textarea:focus, .tts-inline input[type=text]:focus {
    border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft);
}
textarea { resize: vertical; }
::placeholder { color: var(--text-4); }

input[type=range] {
    -webkit-appearance: none; appearance: none; width: 100%; height: 4px;
    background: var(--surface-4); border-radius: var(--r-full); outline: none; cursor: pointer;
}
input[type=range]::-webkit-slider-thumb {
    -webkit-appearance: none; width: 16px; height: 16px; border-radius: 50%;
    background: var(--accent); cursor: pointer; transition: all var(--t-fast);
    border: 2px solid var(--surface);
}
input[type=range]::-webkit-slider-thumb:hover { box-shadow: 0 0 0 6px var(--accent-soft); }
input[type=range]::-moz-range-thumb {
    width: 14px; height: 14px; border-radius: 50%; background: var(--accent);
    cursor: pointer; border: 2px solid var(--surface);
}

/* ═══ TTS ═══ */
.tts-inline {
    display: flex; flex-direction: column; gap: .4rem;
    margin-top: .25rem; padding-top: .6rem; border-top: 1px solid var(--border-2);
}
.tts-inline textarea {
    background: rgba(10,10,15,.4); border: 1px solid var(--border-2); border-radius: var(--r-sm);
    padding: .5rem .65rem; font-size: .83rem; resize: vertical; min-height: 48px; outline: none;
    transition: all var(--t-fast);
}
.tts-inline textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-soft); }
.tts-inline input[type=text] {
    background: rgba(10,10,15,.4); border: 1px solid var(--border-2); border-radius: var(--r-sm);
    padding: .5rem .65rem; font-size: .83rem;
}
.tts-inline-actions { display: flex; justify-content: space-between; align-items: center; gap: .5rem; }
.tts-counter { color: var(--text-4); font-size: .68rem; font-family: 'JetBrains Mono', monospace; }

/* ═══ Quick actions ═══ */
.quick-actions {
    display: flex; flex-wrap: wrap; gap: .3rem;
    padding-top: .6rem; border-top: 1px solid var(--border-2);
}

/* ═══ LED / Scenes ═══ */
.led-section { padding-top: .6rem; border-top: 1px solid var(--border-2); }
.led-label { font-size: .68rem; color: var(--text-3); margin-bottom: .35rem; font-weight: 500; display: flex; align-items: center; gap: .25rem; }
.led-scenes { display: flex; flex-wrap: wrap; gap: .3rem; }
.led-scene-btn {
    padding: .3rem .55rem; font-size: .68rem; font-weight: 500;
    border: 1px solid var(--border); background: var(--surface-2); color: var(--text-3);
    border-radius: var(--r-full); cursor: pointer; transition: all var(--t-fast); font-family: inherit;
}
.led-scene-btn:hover { border-color: var(--accent); color: var(--text); }
.led-scene-btn.active { background: var(--accent); color: #fff; border-color: var(--accent); box-shadow: 0 0 10px var(--accent-glow); }

/* ═══ Sound Effects ═══ */
.sound-effects-section { padding-top: .6rem; border-top: 1px solid var(--border-2); }
.sound-effects-grid { display: flex; flex-wrap: wrap; gap: .3rem; }
.sound-btn {
    padding: .3rem .55rem; font-size: .68rem; font-weight: 500;
    border: 1px solid var(--border); background: var(--surface-2); color: var(--text-3);
    border-radius: var(--r-full); cursor: pointer; transition: all var(--t-fast); font-family: inherit;
}
.sound-btn:hover { border-color: var(--accent); color: var(--text); }
.sound-btn:active { transform: scale(.95); }

/* ═══ Sliders ═══ */
.slider-row { display: flex; align-items: center; gap: .5rem; padding-top: .4rem; }
.slider-row input[type=range] { flex: 1; }
.slider-row .icon { color: var(--text-3); }
.slider-value { font-size: .68rem; color: var(--text-3); min-width: 40px; text-align: right; font-family: 'JetBrains Mono', monospace; }

/* ═══ Sensors ═══ */
.sensor-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(80px, 1fr)); gap: .4rem; margin-top: .25rem; }
.sensor-item {
    background: rgba(10,10,15,.3); border: 1px solid var(--border-2);
    border-radius: var(--r-sm); padding: .5rem; text-align: center;
}
.sensor-label { font-size: .6rem; color: var(--text-4); text-transform: uppercase; letter-spacing: .04em; font-weight: 500; }
.sensor-value { font-size: .95rem; font-weight: 600; margin-top: .15rem; }

/* ═══ Mode ═══ */
.mode-selector { display: flex; flex-wrap: wrap; gap: .3rem; margin-top: .25rem; }
.mode-btn {
    padding: .3rem .55rem; font-size: .68rem; font-weight: 500;
    border: 1px solid var(--border); background: var(--surface-2); color: var(--text-3);
    border-radius: var(--r-full); cursor: pointer; transition: all var(--t-fast); font-family: inherit;
}
.mode-btn:hover { border-color: var(--accent); color: var(--text); }
.mode-btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ═══ Toggle ═══ */
.toggle-btn {
    display: inline-flex; align-items: center; gap: .35rem;
    padding: .3rem .6rem; font-size: .68rem; font-weight: 500;
    border: 1px solid var(--border); background: var(--surface-2); color: var(--text-3);
    border-radius: var(--r-full); cursor: pointer; transition: all var(--t-fast); font-family: inherit;
}
.toggle-btn:hover { border-color: var(--accent); color: var(--text); }
.toggle-btn.active { background: var(--accent-soft); color: var(--accent); border-color: var(--accent); }
.toggle-switch {
    width: 26px; height: 15px; background: var(--surface-4);
    border-radius: var(--r-full); position: relative; transition: background var(--t-fast);
}
.toggle-switch::after {
    content: ''; position: absolute; width: 11px; height: 11px;
    border-radius: 50%; background: var(--text-3); top: 2px; left: 2px;
    transition: all var(--t-fast);
}
.toggle-btn.active .toggle-switch { background: var(--accent); }
.toggle-btn.active .toggle-switch::after { left: 13px; background: #fff; }

/* ═══ Status badge ═══ */
.status-badge {
    display: inline-flex; align-items: center; gap: .3rem;
    padding: .3rem .65rem; border-radius: var(--r-full); font-size: .75rem; font-weight: 500;
}
.status-badge.ok      { background: var(--success-soft); color: var(--success); border: 1px solid rgba(34,197,94,.2); }
.status-badge.error   { background: var(--danger-soft);  color: var(--danger);  border: 1px solid rgba(239,68,68,.2); }
.status-badge.warning { background: var(--warning-soft); color: var(--warning); border: 1px solid rgba(245,158,11,.2); }
.status-badge.loading { background: var(--surface-2); color: var(--text-3); border: 1px solid var(--border); }

/* ═══ Toast ═══ */
.toast {
    position: fixed; bottom: 1.5rem; left: 50%;
    transform: translateX(-50%) translateY(150%);
    background: rgba(26,26,36,.9); border: 1px solid var(--border-3);
    color: var(--text); padding: .7rem 1.2rem; border-radius: var(--r-md);
    font-size: .82rem; font-weight: 500; box-shadow: var(--shadow-lg);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    z-index: 9999; transition: transform var(--t-spring); max-width: 90vw;
}
.toast.show { transform: translateX(-50%) translateY(0); }
.toast.success { border-color: var(--success); }
.toast.error { border-color: var(--danger); }

/* ═══ Loading ═══ */
.loading { color: var(--text-4); font-size: .82rem; padding: 1.5rem; text-align: center; }
.skeleton {
    background: linear-gradient(90deg, rgba(26,26,36,.4) 25%, rgba(34,34,46,.6) 50%, rgba(26,26,36,.4) 75%);
    background-size: 200% 100%; animation: shimmer 1.5s infinite; border-radius: var(--r-sm);
}
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }
.skeleton-card { height: 200px; border-radius: var(--r-lg); border: 1px solid var(--border-2); }

/* ═══ Empty ═══ */
.empty-state { color: var(--text-4); font-size: .82rem; padding: 1.5rem; text-align: center; line-height: 1.6; grid-column: 1 / -1; }
.empty-state a { color: var(--accent); text-decoration: none; }

/* ═══ Status text ═══ */
.status-text { font-size: .78rem; color: var(--text-3); margin-top: .4rem; }
.status-text.success { color: var(--success); }
.status-text.error { color: var(--danger); }

/* ═══ Scenarios ═══ */
.scenarios-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: .6rem; }
.scenario-card {
    background: rgba(26,26,36,.6); border: 1px solid var(--border); border-radius: var(--r-md);
    padding: .85rem 1rem; display: flex; justify-content: space-between; align-items: center; gap: .75rem;
    transition: all var(--t-fast); animation: cardIn var(--t-slow) both;
    backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
}
.scenario-card:hover { border-color: var(--border-3); background: rgba(34,34,46,.7); }
.scenario-name { font-weight: 500; font-size: .85rem; display: flex; align-items: center; gap: .4rem; }

/* ═══ Details ═══ */
.details-section { margin-top: .6rem; border: 1px solid var(--border-2); border-radius: var(--r-sm); overflow: hidden; }
.details-section summary {
    padding: .6rem .85rem; cursor: pointer; font-weight: 500; font-size: .82rem;
    user-select: none; transition: background var(--t-fast); list-style: none;
}
.details-section summary::-webkit-details-marker { display: none; }
.details-section summary::before {
    content: '▸'; display: inline-block; margin-right: .4rem; transition: transform var(--t-fast); color: var(--text-4);
}
.details-section[open] summary::before { transform: rotate(90deg); }
.details-section summary:hover { background: var(--surface-2); }
.details-section[open] summary { border-bottom: 1px solid var(--border-2); }
.details-section > *:not(summary) { margin: .6rem .85rem; }

/* ═══ Hint ═══ */
.hint { color: var(--text-3); font-size: .78rem; margin-bottom: .4rem; line-height: 1.45; }
.hint a { color: var(--accent); text-decoration: none; }
.hint code { background: var(--surface-2); padding: .08rem .3rem; border-radius: 3px; font-size: .73rem; font-family: 'JetBrains Mono', monospace; }
.hint-list { color: var(--text-3); font-size: .78rem; padding-left: 1.1rem; line-height: 1.6; margin-bottom: .6rem; }
.hint-list li { margin-bottom: .2rem; }
.hint-list a { color: var(--accent); }
.hint-list code { background: var(--surface-2); padding: .08rem .25rem; border-radius: 3px; font-size: .73rem; font-family: 'JetBrains Mono', monospace; }
.form-row { display: flex; gap: .4rem; margin-bottom: .6rem; align-items: center; }
.form-row input, .form-row textarea { flex: 1; }
.mt-1em { margin-top: .8rem; }

/* ═══ Settings ═══ */
.settings-tabs { display: flex; gap: .2rem; margin-bottom: 1.25rem; border-bottom: 1px solid var(--border); }
.settings-tab {
    padding: .55rem 1rem; font-size: .82rem; font-weight: 500;
    color: var(--text-3); background: transparent; border: none;
    border-bottom: 2px solid transparent; cursor: pointer;
    transition: all var(--t-fast); font-family: inherit; margin-bottom: -1px;
    display: inline-flex; align-items: center; gap: .35rem;
}
.settings-tab:hover { color: var(--text); }
.settings-tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.settings-panel { display: none; animation: fadeIn var(--t-med) both; }
.settings-panel.active { display: block; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.settings-card {
    background: rgba(26,26,36,.6); border: 1px solid var(--border);
    border-radius: var(--r-lg); padding: 1.25rem; margin-bottom: .8rem;
    backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
}
.settings-card h2 { font-size: 1rem; font-weight: 600; letter-spacing: -.01em; margin-bottom: .2rem; display: flex; align-items: center; gap: .45rem; }

/* ═══ Footer ═══ */
.footer { text-align: center; padding: 1.5rem 1rem; color: var(--text-4); font-size: .72rem; border-top: 1px solid var(--border-2); margin-top: 2rem; }
.footer a { color: var(--text-3); text-decoration: none; }

/* ═══ Responsive ═══ */
@media (max-width: 640px) {
    .speakers-grid, .devices-grid, .scenarios-grid { grid-template-columns: 1fr; }
    .topbar { padding: 0 1rem; }
    .container { padding: 1rem 1rem 3rem; }
}

/* ═══ Scrollbar ═══ */
::-webkit-scrollbar { width: 7px; height: 7px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--surface-4); border-radius: var(--r-full); }
::-webkit-scrollbar-thumb:hover { background: var(--text-4); }

/* ═══ Media Player ═══ */
.media-player {
    padding-top: .6rem; border-top: 1px solid var(--border-2);
}
.media-controls {
    display: flex; gap: .3rem; flex-wrap: wrap;
}
.btn-media {
    width: 34px; height: 34px; border-radius: var(--r-sm);
    background: var(--surface-2); border: 1px solid var(--border);
    color: var(--text-3); cursor: pointer; transition: all var(--t-fast);
    display: inline-flex; align-items: center; justify-content: center;
    padding: 0;
}
.btn-media:hover { border-color: var(--accent); color: var(--text); background: var(--surface-3); }
.btn-media:active { transform: scale(.92); }
.btn-media:disabled { opacity: .4; cursor: not-allowed; }
.btn-media-play { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-media-play:hover { background: var(--accent-h); color: #fff; }

/* ═══ TTS Effect Select ═══ */
.tts-effect-select {
    background: rgba(10,10,15,.5); border: 1px solid var(--border-2);
    color: var(--text-2); border-radius: var(--r-sm); padding: .25rem .4rem;
    font-size: .68rem; font-family: inherit; outline: none; cursor: pointer;
    transition: all var(--t-fast);
}
.tts-effect-select:focus { border-color: var(--accent); }
.tts-effect-select option { background: var(--surface); color: var(--text); }

/* ═══ Alarms ═══ */
.alarms-section {
    padding-top: .6rem; border-top: 1px solid var(--border-2);
}
.alarms-header {
    display: flex; align-items: center; gap: .3rem; cursor: pointer;
    user-select: none; transition: color var(--t-fast);
}
.alarms-header:hover { color: var(--text); }
.alarms-toggle { color: var(--text-4); font-size: .65rem; margin-left: auto; transition: transform var(--t-fast); }
.alarms-content {
    margin-top: .5rem; display: flex; flex-direction: column; gap: .4rem;
}
.alarm-create-row {
    display: flex; gap: .3rem; align-items: center;
}
.alarm-create-row input[type=time] {
    background: rgba(10,10,15,.5); border: 1px solid var(--border-2);
    color: var(--text); border-radius: var(--r-sm); padding: .25rem .4rem;
    font-size: .73rem; font-family: inherit; outline: none; width: auto;
}
.alarm-create-row input[type=text] {
    background: rgba(10,10,15,.5); border: 1px solid var(--border-2);
    color: var(--text); border-radius: var(--r-sm); padding: .25rem .4rem;
    font-size: .73rem; font-family: inherit; outline: none;
}
.alarms-list { display: flex; flex-direction: column; gap: .25rem; }
.alarm-item {
    display: flex; align-items: center; gap: .5rem;
    background: rgba(10,10,15,.3); border: 1px solid var(--border-2);
    border-radius: var(--r-sm); padding: .35rem .5rem;
}
.alarm-time { font-weight: 600; font-size: .78rem; font-family: 'JetBrains Mono', monospace; color: var(--accent-h); min-width: 45px; }
.alarm-label { font-size: .72rem; color: var(--text-3); flex: 1; }
.empty-state-small { color: var(--text-4); font-size: .72rem; padding: .5rem; text-align: center; }

/* ═══ Batch Actions ═══ */
.batch-actions {
    grid-column: 1 / -1;
    display: flex; gap: .4rem; margin-bottom: .5rem;
    padding: .6rem; background: rgba(26,26,36,.4); border-radius: var(--r-md);
    border: 1px solid var(--border-2);
}

/* ═══ Room Group ═══ */
.room-group-header {
    grid-column: 1 / -1;
    display: flex; align-items: center; gap: .5rem;
    margin-top: .5rem; margin-bottom: .25rem; padding: .3rem .5rem;
}
.room-group-name { font-size: .82rem; font-weight: 600; color: var(--text-2); }
.room-group-header .btn-small { margin-left: auto; }
.room-group-header .btn-small:last-child { margin-left: .3rem; }