/* Sound Factory - Dark Theme Matching iOS App */

:root {
    /* Core Colors */
    --bg-primary: #000000;
    --bg-secondary: #0A0A0A;
    --bg-tertiary: #141414;
    --bg-card: #1A1A1A;
    --bg-elevated: #242424;

    /* Text Colors */
    --text-primary: #FFFFFF;
    --text-secondary: #A0A0A0;
    --text-tertiary: #666666;

    /* Accent Colors */
    --accent-primary: #FF6B35;
    --accent-secondary: #FF3366;
    --accent-gradient: linear-gradient(135deg, #FF6B35 0%, #FF3366 100%);

    /* Status Colors */
    --live-red: #FF3B30;
    --success-green: #34C759;
    --warning-yellow: #FFD60A;

    /* Glass Effect */
    --glass-bg: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(255, 255, 255, 0.12);

    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    inset: 0;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.loading-screen.fade-out {
    opacity: 0;
    visibility: hidden;
}

.loader {
    text-align: center;
}

.sound-wave {
    display: flex;
    gap: 4px;
    justify-content: center;
    height: 40px;
    align-items: flex-end;
    margin-bottom: var(--space-md);
}

.sound-wave span {
    width: 4px;
    background: var(--accent-gradient);
    border-radius: 2px;
    animation: wave 1s ease-in-out infinite;
}

.sound-wave span:nth-child(1) { animation-delay: 0s; height: 20px; }
.sound-wave span:nth-child(2) { animation-delay: 0.1s; height: 30px; }
.sound-wave span:nth-child(3) { animation-delay: 0.2s; height: 40px; }
.sound-wave span:nth-child(4) { animation-delay: 0.3s; height: 30px; }
.sound-wave span:nth-child(5) { animation-delay: 0.4s; height: 20px; }

@keyframes wave {
    0%, 100% { transform: scaleY(0.5); }
    50% { transform: scaleY(1); }
}

.loader p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* App Container */
.app {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.app.hidden {
    display: none;
}

/* Header */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-xl);
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
}

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

.logo-icon {
    width: 36px;
    height: 36px;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav {
    display: flex;
    gap: var(--space-lg);
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
    transition: color 0.2s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent-gradient);
    border-radius: 1px;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

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

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(255, 107, 53, 0.4);
}

.btn-secondary {
    background: var(--glass-bg);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background: var(--bg-elevated);
}

/* User Menu */
.user-menu {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.user-menu.hidden {
    display: none;
}

.avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--glass-border);
}

/* Main Content */
.main {
    flex: 1;
    padding: var(--space-lg);
}

/* Live Section */
.live-section {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: var(--space-lg);
    max-width: 1600px;
    margin: 0 auto;
}

/* Stream Container */
.stream-container {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--bg-secondary);
    aspect-ratio: 16 / 9;
}

.stream-player {
    width: 100%;
    height: 100%;
}

.stream-player iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.stream-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: radial-gradient(ellipse at center, var(--bg-tertiary) 0%, var(--bg-primary) 100%);
}

.pulse-ring {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: 2px solid var(--accent-primary);
    animation: pulse 2s ease-out infinite;
    margin-bottom: var(--space-lg);
}

@keyframes pulse {
    0% {
        transform: scale(0.8);
        opacity: 1;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

.play-icon {
    width: 60px;
    height: 60px;
    color: var(--text-secondary);
}

.stream-placeholder p {
    color: var(--text-secondary);
    margin-top: var(--space-md);
}

/* Stream Overlay */
.stream-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-xl);
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.9));
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.stream-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.live-badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-xs) var(--space-sm);
    background: var(--live-red);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: var(--radius-sm);
    letter-spacing: 0.05em;
    width: fit-content;
    animation: pulse-badge 2s ease-in-out infinite;
}

@keyframes pulse-badge {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.dj-name {
    font-size: 1.75rem;
    font-weight: 700;
}

.stream-title {
    color: var(--text-secondary);
}

.viewer-count {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--text-secondary);
    background: var(--glass-bg);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    backdrop-filter: blur(10px);
}

/* Chat Panel */
.chat-panel {
    display: flex;
    flex-direction: column;
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    overflow: hidden;
    height: calc(100vh - 200px);
    max-height: 700px;
}

.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--glass-border);
}

.chat-header h3 {
    font-size: 1rem;
    font-weight: 600;
}

.chat-count {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.chat-message {
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-elevated);
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
}

.chat-message.system {
    background: var(--glass-bg);
    color: var(--text-secondary);
    text-align: center;
    font-size: 0.875rem;
}

.chat-message .username {
    font-weight: 600;
    margin-right: var(--space-xs);
    color: var(--accent-primary);
}

.chat-input-container {
    padding: var(--space-md);
    border-top: 1px solid var(--glass-border);
}

.quick-reactions {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.reaction-btn {
    width: 40px;
    height: 40px;
    border: none;
    background: var(--bg-elevated);
    border-radius: var(--radius-md);
    font-size: 1.25rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.reaction-btn:hover {
    background: var(--bg-tertiary);
    transform: scale(1.1);
}

.chat-form {
    display: flex;
    gap: var(--space-sm);
}

.chat-input {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-elevated);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.9375rem;
    font-family: inherit;
}

.chat-input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.chat-input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.send-btn {
    width: 44px;
    height: 44px;
    border: none;
    background: var(--accent-gradient);
    border-radius: var(--radius-md);
    color: white;
    cursor: pointer;
    transition: all 0.2s ease;
}

.send-btn:hover {
    transform: scale(1.05);
}

.send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Effects Panel */
.effects-panel {
    max-width: 1600px;
    margin: var(--space-xl) auto 0;
    padding: var(--space-xl);
    background: var(--bg-card);
    border-radius: var(--radius-xl);
}

.effects-panel.hidden {
    display: none;
}

.effects-panel h3 {
    margin-bottom: var(--space-lg);
}

.effects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.effect-btn {
    padding: var(--space-md);
    background: var(--bg-elevated);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.875rem;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}

.effect-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

.tip-section h4 {
    margin-bottom: var(--space-md);
    color: var(--text-secondary);
}

.tip-buttons {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.tip-btn {
    padding: var(--space-md) var(--space-xl);
    background: var(--bg-elevated);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tip-btn:hover {
    background: var(--success-green);
    border-color: var(--success-green);
}

.tip-btn.big-shot {
    background: var(--accent-gradient);
    border: none;
    color: white;
    animation: glow 2s ease-in-out infinite;
}

@keyframes glow {
    0%, 100% { box-shadow: 0 0 20px rgba(255, 107, 53, 0.3); }
    50% { box-shadow: 0 0 30px rgba(255, 107, 53, 0.6); }
}

/* Footer */
.footer {
    padding: var(--space-xl);
    border-top: 1px solid var(--glass-border);
}

.footer-content {
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer p {
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal.hidden {
    display: none;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--bg-card);
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    max-width: 420px;
    width: 90%;
    text-align: center;
}

.modal-close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    width: 32px;
    height: 32px;
    border: none;
    background: var(--glass-bg);
    border-radius: 50%;
    color: var(--text-secondary);
    font-size: 1.25rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.modal-close:hover {
    background: var(--bg-elevated);
    color: var(--text-primary);
}

.modal-content h2 {
    margin-bottom: var(--space-md);
}

.modal-content > p {
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
}

.sign-in-options {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.apple-signin-btn {
    width: 100%;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.terms {
    margin-top: var(--space-xl);
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

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

.terms a:hover {
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .live-section {
        grid-template-columns: 1fr;
    }

    .chat-panel {
        height: 400px;
    }
}

@media (max-width: 768px) {
    .header {
        padding: var(--space-md);
    }

    .nav {
        display: none;
    }

    .main {
        padding: var(--space-md);
    }

    .stream-overlay {
        padding: var(--space-md);
    }

    .dj-name {
        font-size: 1.25rem;
    }

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

    .tip-buttons {
        justify-content: center;
    }
}

/* Hidden utility */
.hidden {
    display: none !important;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-elevated);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}