/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-green: #1db954;
    --primary-green-dark: #169c46;
    --primary-green-light: #1ed760;
    --dark-bg: #121212;
    --card-bg: rgba(40, 40, 40, 0.8);
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --text-muted: #777777;
    --error: #ff6b6b;
    --success: #51cf66;
    --warning: #ffd43b;
    --info: #74c0fc;
    --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.8);
    --shadow-xl: 0 35px 60px -12px rgba(0, 0, 0, 0.9);
    --border-radius: 16px;
    --border-radius-lg: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    background-attachment: fixed;
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Animated background particles */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(29, 185, 84, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
    animation: backgroundFloat 20s ease-in-out infinite;
}

@keyframes backgroundFloat {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(-20px, -20px) rotate(1deg); }
    66% { transform: translate(20px, -10px) rotate(-1deg); }
}

/* Container Styles */
.app-container {
    min-height: 100vh;
    padding: 20px;
    position: relative;
}

/* Login Section */
.login-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    text-align: center;
    max-width: 500px;
    margin: 0 auto;
}

.login-section .app-title {
    font-size: 4rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary-green) 0%, #1ed760 50%, #ffffff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 2rem;
    text-shadow: 0 0 30px rgba(29, 185, 84, 0.3);
    animation: titleGlow 3s ease-in-out infinite alternate;
}

@keyframes titleGlow {
    from { filter: drop-shadow(0 0 10px rgba(29, 185, 84, 0.3)); }
    to { filter: drop-shadow(0 0 20px rgba(29, 185, 84, 0.6)); }
}

.login-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 400px;
    line-height: 1.7;
}

/* Main Interface */
.main-interface {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

.app-header {
    text-align: center;
    margin-bottom: 3rem;
}

.app-header .app-title {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-green) 0%, #ffffff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

/* Section Styles */
.search-section,
.spotify-status,
.auto-dj-section,
.generated-content,
.playback-section {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.search-section::before,
.spotify-status::before,
.auto-dj-section::before,
.generated-content::before,
.playback-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-green), transparent);
    opacity: 0;
    transition: var(--transition);
}

.search-section:hover::before,
.spotify-status:hover::before,
.auto-dj-section:hover::before,
.generated-content:hover::before,
.playback-section:hover::before {
    opacity: 1;
}

.search-section:hover,
.spotify-status:hover,
.auto-dj-section:hover,
.generated-content:hover,
.playback-section:hover {
    /* transform: translateY(-2px); */ /* Removed */
    box-shadow: var(--shadow-xl);
    border-color: rgba(29, 185, 84, 0.3);
}

.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.section-title::before {
    content: '';
    width: 4px;
    height: 1.5rem;
    background: linear-gradient(135deg, var(--primary-green), var(--primary-green-light));
    border-radius: 2px;
}

/* Search Container */
.search-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.search-input {
    flex: 1;
    padding: 1rem 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-green);
    background: rgba(255, 255, 255, 0.1);
    /* transform: translateY(-1px); */ /* Removed */
    box-shadow: 0 10px 25px rgba(29, 185, 84, 0.2);
}

.search-input::placeholder {
    color: var(--text-muted);
}

/* Buttons */
.btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-light) 100%);
    color: white;
    transform: translateY(0);
}

.btn-primary:hover {
    /* transform: translateY(-2px); */ /* Removed */
    box-shadow: 0 10px 25px rgba(29, 185, 84, 0.4);
    background: linear-gradient(135deg, var(--primary-green-light) 0%, var(--primary-green) 100%);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    /* transform: translateY(-2px); */ /* Removed */
    box-shadow: 0 10px 25px rgba(255, 255, 255, 0.1);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.btn:disabled:hover {
    transform: none !important;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2) !important;
}

/* Search Results */
.search-results {
    margin-top: 1rem;
}

.search-results-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1rem;
}

.search-result-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.search-result-item:hover {
    background: rgba(255, 255, 255, 0.08);
    /* transform: translateX(5px); */ /* Removed */
    border-color: rgba(29, 185, 84, 0.3);
}

.result-info {
    flex: 1;
}

.result-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.result-artist {
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.result-album {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.add-track-btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
}

.show-more-btn {
    width: 100%;
    margin-top: 1rem;
}

/* Spotify Status */
.status-content {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.album-art {
    width: 80px;
    height: 80px;
    border-radius: var(--border-radius);
    object-fit: cover;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    transition: var(--transition);
}

.album-art:hover {
    /* transform: scale(1.05); */ /* Removed */
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.4);
}

.status-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.status-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.status-label {
    color: var(--text-secondary);
    min-width: 120px;
    font-weight: 500;
}

.status-value {
    color: var(--text-primary);
    font-weight: 600;
}

/* Auto DJ Section */
.auto-dj-controls {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.auto-dj-status {
    padding: 1rem;
    background: rgba(29, 185, 84, 0.1);
    border: 1px solid rgba(29, 185, 84, 0.2);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    backdrop-filter: blur(10px);
}

/* Generated Content */
.fact-display {
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: rgba(116, 192, 252, 0.1);
    border: 1px solid rgba(116, 192, 252, 0.2);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    backdrop-filter: blur(10px);
}

.script-text {
    width: 100%;
    min-height: 150px;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    line-height: 1.6;
    resize: vertical;
    margin-bottom: 1.5rem;
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.script-text:focus {
    outline: none;
    border-color: var(--primary-green);
    background: rgba(255, 255, 255, 0.08);
}

.audio-player {
    width: 100%;
    height: 60px;
    border-radius: var(--border-radius);
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
}

.audio-player::-webkit-media-controls-panel {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
}

/* Playback Controls */
.playback-controls {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Messages */
.messages {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-width: 400px;
}

.message {
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    color: white;
    font-weight: 500;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    animation: messageSlide 0.3s ease-out;
    position: relative;
    overflow: hidden;
}

@keyframes messageSlide {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.message.success {
    background: rgba(81, 207, 102, 0.9);
    border-color: rgba(81, 207, 102, 0.3);
}

.message.error {
    background: rgba(255, 107, 107, 0.9);
    border-color: rgba(255, 107, 107, 0.3);
}

.message.info {
    background: rgba(116, 192, 252, 0.9);
    border-color: rgba(116, 192, 252, 0.3);
}

.message.warning {
    background: rgba(255, 212, 59, 0.9);
    border-color: rgba(255, 212, 59, 0.3);
    color: #333;
}

/* Responsive Design */
@media (max-width: 768px) {
    .app-container {
        padding: 10px;
    }

    .main-interface {
        padding: 10px;
    }

    .login-section .app-title {
        font-size: 2.5rem;
    }

    .app-header .app-title {
        font-size: 2rem;
    }

    .search-section,
    .spotify-status,
    .auto-dj-section,
    .generated-content,
    .playback-section {
        padding: 1.5rem;
    }

    .search-container {
        flex-direction: column;
    }

    .status-content {
        flex-direction: column;
        text-align: center;
    }

    .status-info {
        align-items: center;
    }

    .status-row {
        flex-direction: column;
        gap: 0.25rem;
        text-align: center;
    }

    .status-label {
        min-width: auto;
    }

    .search-result-item {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .auto-dj-controls,
    .playback-controls {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .messages {
        left: 10px;
        right: 10px;
        max-width: none;
    }
}

@media (max-width: 480px) {
    .login-section .app-title {
        font-size: 2rem;
    }

    .app-header .app-title {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 1.25rem;
    }

    .search-section,
    .spotify-status,
    .auto-dj-section,
    .generated-content,
    .playback-section {
        padding: 1rem;
    }
}

/* Loading and Animation States */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid var(--primary-green);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    transform: translate(-50%, -50%);
}

@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

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

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-green-light);
}

/* Selection Styling */
::selection {
    background: rgba(29, 185, 84, 0.3);
    color: white;
}