/* ============================================================================
   GLOBAL STYLES & RESET
   ============================================================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette - Modern & Vibrant */
    --primary: hsl(260, 85%, 65%);
    --primary-dark: hsl(260, 85%, 55%);
    --primary-light: hsl(260, 85%, 75%);
    --secondary: hsl(200, 90%, 60%);
    --success: hsl(145, 70%, 55%);
    --warning: hsl(35, 95%, 60%);
    --danger: hsl(0, 85%, 60%);

    /* Neutral Colors - Dark Mode */
    --bg-primary: hsl(240, 15%, 8%);
    --bg-secondary: hsl(240, 12%, 12%);
    --bg-tertiary: hsl(240, 10%, 16%);
    --text-primary: hsl(0, 0%, 95%);
    --text-secondary: hsl(0, 0%, 70%);
    --text-muted: hsl(0, 0%, 50%);

    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

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

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================================================
   FLASH MESSAGES
   ============================================================================ */

.flash-messages {
    position: fixed;
    top: var(--spacing-md);
    right: var(--spacing-md);
    z-index: 1000;
    max-width: 400px;
}

.flash-message {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-sm);
    box-shadow: var(--shadow-md);
    animation: slideIn 300ms ease;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }

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

.flash-success {
    border-left: 4px solid var(--success);
}

.flash-error {
    border-left: 4px solid var(--danger);
}

.flash-warning {
    border-left: 4px solid var(--warning);
}

.flash-info {
    border-left: 4px solid var(--secondary);
}

.flash-close {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-fast);
}

.flash-close:hover {
    transform: scale(1.2);
}

/* ============================================================================
   PUBLIC PLAYER PAGE
   ============================================================================ */

.player-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: var(--spacing-md);
}

.player-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    max-width: 500px;
    width: 100%;
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.logo-container {
    margin-bottom: var(--spacing-xl);
}

.logo-placeholder {
    width: 120px;
    height: 120px;
    margin: 0 auto var(--spacing-md);
    color: var(--primary);
    filter: drop-shadow(0 4px 12px rgba(138, 92, 246, 0.4));
}

.logo-placeholder svg {
    width: 100%;
    height: 100%;
}

.radio-title {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.radio-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
}

.player-controls {
    margin: var(--spacing-xl) 0;
}

.play-button {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: none;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    box-shadow: 0 8px 24px rgba(138, 92, 246, 0.4);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.play-button::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.play-button:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 32px rgba(138, 92, 246, 0.6);
}

.play-button:hover::before {
    opacity: 1;
}

.play-button:active {
    transform: scale(1.05);
}

.play-button .icon {
    width: 40px;
    height: 40px;
    fill: white;
    position: relative;
    z-index: 1;
    transition: transform var(--transition-fast);
}

.play-button:hover .icon {
    transform: scale(1.1);
}

.icon.hidden {
    display: none;
}

.status-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-lg);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-muted);
    transition: background var(--transition-normal);
}

.status-dot.live {
    background: var(--danger);
    animation: pulse 2s infinite;
}

.status-dot.playlist {
    background: var(--success);
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

/* ============================================================================
   ADMIN PAGES
   ============================================================================ */

.admin-container {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    min-height: 100vh;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.admin-header h1 {
    font-size: 2rem;
    font-weight: 700;
}

/* Login Card */
.login-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    max-width: 400px;
    margin: 10vh auto;
    box-shadow: var(--shadow-lg);
}

.login-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.login-header h1 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-xs);
}

.login-header p {
    color: var(--text-secondary);
}

/* Status Card */
.status-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.status-card h2 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.status-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.status-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    width: fit-content;
}

.status-live {
    background: linear-gradient(135deg, var(--danger) 0%, hsl(0, 85%, 50%) 100%);
    color: white;
    animation: pulse 2s infinite;
}

.status-playlist {
    background: linear-gradient(135deg, var(--success) 0%, hsl(145, 70%, 45%) 100%);
    color: white;
}

.current-url,
.scheduled-info {
    background: var(--bg-tertiary);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.current-url code,
.scheduled-info code {
    color: var(--secondary);
    word-break: break-all;
    font-size: 0.85rem;
}

.scheduled-info p {
    margin-top: var(--spacing-xs);
}

/* Config Cards */
.config-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.config-card h2 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.emergency-card {
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.emergency-card h2 {
    color: var(--danger);
}

/* Forms */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(138, 92, 246, 0.2);
}

.form-group small {
    display: block;
    margin-top: var(--spacing-xs);
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Buttons */
.btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(138, 92, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(138, 92, 246, 0.4);
}

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

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

.btn-success {
    background: linear-gradient(135deg, var(--success) 0%, hsl(145, 70%, 45%) 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(34, 197, 94, 0.3);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(34, 197, 94, 0.4);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning) 0%, hsl(35, 95%, 50%) 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(251, 146, 60, 0.3);
}

.btn-warning:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(251, 146, 60, 0.4);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger) 0%, hsl(0, 85%, 50%) 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(239, 68, 68, 0.4);
}

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

.inline-form {
    margin-top: var(--spacing-md);
}

/* Live Card */
.live-card {
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.live-card h2 {
    color: var(--danger);
}

/* Status Scheduled */
.status-scheduled {
    background: linear-gradient(135deg, var(--secondary) 0%, hsl(200, 90%, 50%) 100%);
    color: white;
}

/* Schedule Table */
.schedules-table {
    margin: var(--spacing-md) 0;
    overflow-x: auto;
}

.schedules-table table {
    width: 100%;
    border-collapse: collapse;
}

.schedules-table th,
.schedules-table td {
    padding: var(--spacing-sm);
    text-align: left;
    border-bottom: 1px solid var(--glass-border);
}

.schedules-table th {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.schedules-table td {
    color: var(--text-primary);
}

.schedule-url {
    background: var(--bg-tertiary);
    padding: var(--spacing-xs) var(--spacing-sm) !important;
}

.schedule-url code {
    color: var(--secondary);
    font-size: 0.85rem;
}

.no-schedules {
    text-align: center;
    color: var(--text-muted);
    padding: var(--spacing-lg);
}

/* Small Buttons */
.btn-small {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    margin: 0 var(--spacing-xs);
}

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

.btn-edit:hover {
    background: var(--primary-dark);
    transform: scale(1.1);
}

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

.btn-delete:hover {
    background: hsl(0, 85%, 50%);
    transform: scale(1.1);
}

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: var(--spacing-md);
}

.modal.hidden {
    display: none;
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.modal-header h3 {
    font-size: 1.5rem;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 2rem;
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-fast);
}

.modal-close:hover {
    transform: scale(1.2);
}

.modal-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
    margin-top: var(--spacing-lg);
}

/* Days Checkboxes */
.days-checkboxes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-sm);
}

.days-checkboxes label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.days-checkboxes label:hover {
    background: var(--glass-bg);
}

.days-checkboxes input[type="checkbox"] {
    width: auto;
    cursor: pointer;
}

/* Form Row */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

/* ============================================================================
   RESPONSIVE DESIGN
   ============================================================================ */

@media (max-width: 768px) {
    .player-card {
        padding: var(--spacing-lg);
    }

    .radio-title {
        font-size: 1.5rem;
    }

    .play-button {
        width: 80px;
        height: 80px;
    }

    .play-button .icon {
        width: 32px;
        height: 32px;
    }

    .admin-container {
        padding: var(--spacing-md);
    }

    .admin-header {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: flex-start;
    }

    .flash-messages {
        left: var(--spacing-sm);
        right: var(--spacing-sm);
        max-width: none;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .days-checkboxes {
        grid-template-columns: 1fr;
    }

    .schedules-table {
        font-size: 0.9rem;
    }

    .modal-content {
        padding: var(--spacing-md);
    }
}