/* ===== Reset & Variables ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

:root {
    /* Colors - Purple Theme */
    --primary: #8B5CF6;
    --primary-dark: #7C3AED;
    --primary-light: #A78BFA;
    --secondary: #EC4899;
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
    --dark: #0F172A;
    --darker: #020617;
    --light: #F8FAFC;

    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --radius-full: 9999px;
}

/* ===== Base Styles ===== */
body {
    font-family: 'Vazirmatn', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: var(--light);
    position: relative;
    overflow-x: hidden;
}

/* Particles Background */
#particles-js {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* App Container */
.app-container {
    position: relative;
    z-index: 1;
    max-width: 480px;
    margin: 0 auto;
    padding: var(--spacing-md);
    padding-bottom: 80px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ===== Glassmorphism ===== */
.glass-header,
.glass-card,
.bottom-nav,
.install-prompt {
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
}

/* ===== Header ===== */
.glass-header {
    border-radius: var(--radius-xl);
    padding: var(--spacing-md) var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo i {
    font-size: 28px;
    color: var(--primary-light);
}

.logo h1 {
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(135deg, #fff 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.connection-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(0, 0, 0, 0.3);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 12px;
}

.connection-badge .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.connection-badge.disconnected .dot {
    background: var(--danger);
}

.menu-btn {
    background: none;
    border: none;
    color: white;
    font-size: 20px;
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
}

/* ===== Quick Actions ===== */
.quick-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    overflow-x: auto;
    padding: var(--spacing-xs) 0;
    scrollbar-width: none;
}

.quick-actions::-webkit-scrollbar {
    display: none;
}

.quick-action {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--spacing-sm) var(--spacing-lg);
    color: white;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: 'Vazirmatn', sans-serif;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.quick-action i {
    font-size: 16px;
}

.quick-action.active {
    background: var(--primary);
    border-color: var(--primary-light);
}

.quick-action:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.25);
}

/* ===== Main Grid ===== */
.main-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    flex: 1;
}

/* ===== Cards ===== */
.card {
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.card-header {
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    border-bottom: 1px solid var(--glass-border);
}

.card-header i {
    font-size: 20px;
    color: var(--primary-light);
}

.card-header h2 {
    font-size: 16px;
    font-weight: 600;
    flex: 1;
}

.badge {
    background: var(--primary);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: 10px;
    font-weight: 500;
}

.badge.warning {
    background: var(--warning);
}

.badge.rgb {
    background: var(--secondary);
}

.card-content {
    padding: var(--spacing-lg);
}

/* ===== Toggle Switch ===== */
.switch {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
    position: absolute;
}

.slider {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-full);
    transition: all 0.3s;
}

.slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 2px;
    bottom: 2px;
    background-color: white;
    border-radius: 50%;
    transition: 0.3s;
}

input:checked+.slider {
    background: var(--primary);
}

input:checked+.slider:before {
    transform: translateX(26px);
}

.toggle-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* ===== Buttons ===== */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-full);
    font-family: 'Vazirmatn', sans-serif;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    width: 100%;
}

.btn.primary {
    background: var(--primary);
    color: white;
}

.btn.secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid var(--glass-border);
}

.btn.danger {
    background: var(--danger);
    color: white;
}

.btn:hover {
    transform: translateY(-2px);
    filter: brightness(1.1);
}

.button-group {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

/* ===== Signal Controls ===== */
.signal-controls {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.signal-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    border: none;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.15);
    color: white;
    font-family: 'Vazirmatn', sans-serif;
    cursor: pointer;
    transition: all 0.3s ease;
}

.signal-btn i {
    font-size: 24px;
}

.signal-btn:hover {
    background: rgba(255, 255, 255, 0.25);
}

.signal-btn.active {
    background: var(--warning);
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.5);
}

.signal-btn.left.active {
    background: var(--warning);
}

.signal-btn.right.active {
    background: var(--warning);
}

.signal-btn.hazard.active {
    background: var(--danger);
}

/* ===== Effect Buttons ===== */
.effect-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.effect-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    border: none;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.15);
    color: white;
    font-family: 'Vazirmatn', sans-serif;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.effect-btn i {
    font-size: 20px;
}

.effect-btn:hover {
    background: rgba(255, 255, 255, 0.25);
}

.effect-btn.active {
    background: var(--primary);
}

/* ===== Control Row ===== */
.control-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin: var(--spacing-md) 0;
}

.control-row i {
    font-size: 16px;
    color: var(--primary-light);
}

.control-row input[type="range"] {
    flex: 1;
    height: 4px;
    -webkit-appearance: none;
    background: rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-full);
}

.control-row input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    box-shadow: 0 0 10px rgba(139, 92, 246, 0.5);
}

.control-row span {
    min-width: 40px;
    text-align: center;
    font-size: 12px;
}

/* ===== Color Picker ===== */
.color-picker-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.color-picker-container label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
}

.color-picker-container input[type="color"] {
    width: 50px;
    height: 50px;
    border: none;
    border-radius: var(--radius-lg);
    background: none;
    cursor: pointer;
}

/* ===== Mirror Controls ===== */
.mirror-sync {
    margin-bottom: var(--spacing-lg);
}

.mirror-controls {
    margin-bottom: var(--spacing-lg);
}

.mirror-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.mirror-row span {
    min-width: 60px;
    font-size: 12px;
}

.mirror-row input[type="range"] {
    flex: 1;
    height: 4px;
}

/* ===== Remote Grid ===== */
.remote-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.remote-btn {
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    padding: var(--spacing-xs);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.remote-btn i {
    font-size: 20px;
    margin-bottom: 2px;
}

.remote-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.remote-btn.learning {
    background: var(--warning);
    animation: blink 1s infinite;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

/* ===== Settings ===== */
.settings-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* ===== Stats ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-lg);
}

.stat-label {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.6);
}

.stat-value {
    font-size: 16px;
    font-weight: 600;
}

/* ===== Bottom Navigation ===== */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    max-width: 480px;
    margin: 0 auto;
    display: flex;
    justify-content: space-around;
    padding: var(--spacing-sm) var(--spacing-md);
    border-top-left-radius: var(--radius-xl);
    border-top-right-radius: var(--radius-xl);
    z-index: 100;
}

.nav-item {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.6);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: var(--spacing-xs) var(--spacing-sm);
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Vazirmatn', sans-serif;
    font-size: 10px;
}

.nav-item i {
    font-size: 20px;
}

.nav-item.active {
    color: white;
    transform: translateY(-2px);
}

.nav-item.active i {
    color: var(--primary-light);
}

/* ===== Install Prompt ===== */
.install-prompt {
    position: fixed;
    bottom: 80px;
    left: var(--spacing-md);
    right: var(--spacing-md);
    max-width: 400px;
    margin: 0 auto;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    z-index: 1000;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.prompt-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.prompt-content i {
    font-size: 24px;
    color: var(--warning);
}

.prompt-text {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.prompt-text strong {
    font-size: 14px;
}

.prompt-text span {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.6);
}

.close-prompt {
    width: 32px;
    height: 32px;
    padding: 0;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.2);
    font-size: 14px;
}

/* ===== Status Message ===== */
.status-message {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--radius-lg);
    text-align: center;
    font-size: 12px;
}

/* ===== Full Width Card ===== */
.full-width {
    grid-column: 1 / -1;
}

/* ===== PWA Specific ===== */
@media (display-mode: standalone) {
    .install-prompt {
        display: none !important;
    }

    body {
        padding-top: env(safe-area-inset-top);
        padding-bottom: env(safe-area-inset-bottom);
    }

    .bottom-nav {
        padding-bottom: env(safe-area-inset-bottom);
    }
}

/* ===== Dark Mode ===== */
@media (prefers-color-scheme: dark) {
    :root {
        --glass-bg: rgba(0, 0, 0, 0.3);
    }
}

/* ===== Responsive ===== */
@media (max-width: 380px) {
    .quick-action span {
        display: none;
    }

    .quick-action i {
        font-size: 20px;
    }

    .effect-btn span {
        font-size: 10px;
    }

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

/* ===== Animations ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card {
    animation: fadeIn 0.5s ease forwards;
}

.card:nth-child(1) {
    animation-delay: 0.1s;
}

.card:nth-child(2) {
    animation-delay: 0.2s;
}

.card:nth-child(3) {
    animation-delay: 0.3s;
}

.card:nth-child(4) {
    animation-delay: 0.4s;
}

.card:nth-child(5) {
    animation-delay: 0.5s;
}

.card:nth-child(6) {
    animation-delay: 0.6s;
}

.card:nth-child(7) {
    animation-delay: 0.7s;
}