/* ===== Global Styles ===== */
:root {
    /* Color Scheme */
    --primary-color: #6c5ce7;
    --primary-dark: #5649c0;
    --secondary-color: #00cec9;
    --dark-color: #1e272e;
    --dark-light: #2d3436;
    --light-color: #f5f6fa;
    --gray-color: #636e72;
    --success-color: #00b894;
    --error-color: #d63031;
    --warning-color: #fdcb6e;
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    /* Typography */
    --font-main: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-heading: 'Montserrat', sans-serif;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-md: 1.25rem;
    --text-lg: 1.5rem;
    --text-xl: 2rem;
    --text-xxl: 3rem;
}

[data-theme="light"] {
    --dark-color: #f5f6fa;
    --dark-light: #dfe6e9;
    --light-color: #1e272e;
    --gray-color: #b2bec3;
}

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

body {
    font-family: var(--font-main);
    line-height: 1.6;
    background-color: var(--dark-color);
    color: var(--light-color);
    transition: background-color 0.3s ease, color 0.3s ease;
}

a {
    text-decoration: none;
    color: var(--light-color);
    transition: color 0.3s ease;
}

    a:hover {
        color: var(--primary-color);
    }

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    margin-bottom: var(--space-sm);
    line-height: 1.2;
}

h1 {
    font-size: var(--text-xxl);
}

h2 {
    font-size: var(--text-xl);
}

h3 {
    font-size: var(--text-lg);
}

h4 {
    font-size: var(--text-md);
}

p {
    margin-bottom: var(--space-sm);
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    background: var(--primary-color);
    color: var(--light-color);
    padding: var(--space-xs) var(--space-md);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: var(--text-base);
    transition: all 0.3s ease;
    text-align: center;
}

    .btn:hover {
        background: var(--primary-dark);
        transform: translateY(-2px);
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    }

.btn-outline {
    background: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
}

    .btn-outline:hover {
        background: var(--primary-color);
        color: var(--light-color);
    }

.btn-small {
    padding: 0.25rem 0.75rem;
    font-size: var(--text-sm);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* ===== Header Styles ===== */
header {
    background-color: var(--dark-light);
    padding: var(--space-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.logo {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--primary-color);
}

nav ul {
    display: flex;
    align-items: center;
}

    nav ul li {
        margin-left: var(--space-lg);
    }

        nav ul li a {
            font-weight: 500;
            transition: color 0.3s ease;
        }

            nav ul li a:hover {
                color: var(--primary-color);
            }

            nav ul li a.active {
                color: var(--primary-color);
                font-weight: 600;
            }

/* ===== Page Header ===== */
.page-header {
    padding: var(--space-xl) 0 var(--space-lg);
    text-align: center;
}

    .page-header p {
        max-width: 700px;
        margin: 0 auto;
    }

/* ===== Hero Section ===== */
.hero {
    background: linear-gradient(rgba(30, 39, 46, 0.8), rgba(30, 39, 46, 0.8)), url('https://images.unsplash.com/photo-1511671782779-c97d3d27a1d4?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80');
    background-size: cover;
    background-position: center;
    height: 80vh;
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--light-color);
}

    .hero h2 {
        font-size: var(--text-xxl);
        margin-bottom: var(--space-md);
    }

    .hero p {
        font-size: var(--text-md);
        margin-bottom: var(--space-lg);
        max-width: 700px;
        margin-left: auto;
        margin-right: auto;
    }

.hero-buttons {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
}

/* ===== Grid Layouts ===== */
.tracks-grid,
.producers-grid,
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-lg);
    margin: var(--space-lg) 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-md);
}

/* ===== Card Styles ===== */
.track-card,
.producer-card,
.stat-card {
    background: var(--dark-light);
    border-radius: 10px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    padding: var(--space-md);
}

    .track-card:hover,
    .producer-card:hover {
        transform: translateY(-10px);
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
    }

.track-image-container {
    position: relative;
    margin-bottom: var(--space-sm);
}

    .track-image-container img {
        width: 100%;
        height: auto;
        border-radius: 5px;
    }

.quick-add-btn {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: var(--primary-color);
    color: white;
    border: none;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.track-image-container:hover .quick-add-btn {
    opacity: 1;
}

.track-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--space-sm);
    font-size: var(--text-sm);
    color: var(--gray-color);
}

    .track-meta .plays {
        display: flex;
        align-items: center;
        gap: 0.25rem;
    }

audio {
    width: 100%;
    margin-bottom: var(--space-sm);
    border-radius: 5px;
}

/* ===== Producer Cards ===== */
.producer-card {
    position: relative;
    text-align: center;
}

    .producer-card img {
        width: 150px;
        height: 150px;
        border-radius: 50%;
        object-fit: cover;
        margin: 0 auto var(--space-sm);
        border: 3px solid var(--primary-color);
    }

    .producer-card .location {
        color: var(--gray-color);
        margin-bottom: var(--space-sm);
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 0.25rem;
    }

    .producer-card .bio {
        margin-bottom: var(--space-md);
        font-size: var(--text-sm);
    }

.stats {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-md);
}

.stat {
    text-align: center;
}

    .stat .number {
        font-size: var(--text-lg);
        font-weight: 700;
        color: var(--primary-color);
    }

    .stat .label {
        font-size: var(--text-sm);
        color: var(--gray-color);
    }

/* ===== Favorite Button ===== */
.favorite-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background: none;
    border: none;
    color: var(--error-color);
    font-size: 1.25rem;
    cursor: pointer;
    z-index: 10;
}

/* ===== Playlist Styles ===== */
.playlist-controls {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.playlist-name-group {
    flex: 1;
    min-width: 250px;
    display: flex;
    gap: var(--space-sm);
}

#playlist-name {
    flex: 1;
    padding: var(--space-xs) var(--space-sm);
    border-radius: 5px;
    border: 1px solid var(--gray-color);
    background: var(--dark-light);
    color: var(--light-color);
}

.playlist-actions-group {
    display: flex;
    gap: var(--space-sm);
}

.playlist-items {
    margin-bottom: var(--space-lg);
}

.playlist-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm);
    background: var(--dark-light);
    border-radius: 5px;
    margin-bottom: var(--space-xs);
    transition: background-color 0.3s ease;
}

    .playlist-item:hover {
        background: var(--gray-color);
    }

.track-info {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex: 1;
}

.track-number {
    color: var(--gray-color);
    min-width: 20px;
}

.track-info img {
    width: 50px;
    height: 50px;
    border-radius: 5px;
    object-fit: cover;
}

.track-details {
    flex: 1;
}

.track-title {
    font-size: var(--text-base);
    margin-bottom: 0.25rem;
}

.track-artist {
    font-size: var(--text-sm);
    color: var(--gray-color);
}

.track-duration {
    font-size: var(--text-sm);
    color: var(--gray-color);
}

.track-actions {
    display: flex;
    gap: var(--space-xs);
}

.play-track {
    background: var(--success-color) !important;
}

.remove-track {
    background: var(--error-color) !important;
}

.playlist-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.playlist-stats {
    display: flex;
    gap: var(--space-md);
    color: var(--gray-color);
}

.playlist-export {
    display: flex;
    gap: var(--space-sm);
}

.empty-state {
    text-align: center;
    padding: var(--space-xl) 0;
}

    .empty-state i {
        font-size: 3rem;
        color: var(--gray-color);
        margin-bottom: var(--space-sm);
    }

    .empty-state p {
        margin-bottom: var(--space-md);
        color: var(--gray-color);
    }

/* ===== Contact Page Styles ===== */
.contact-method {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.contact-icon {
    font-size: 1.25rem;
    color: var(--primary-color);
}

.contact-details h4 {
    margin-bottom: 0.25rem;
}

.contact-details a {
    color: var(--light-color);
    transition: color 0.3s ease;
}

    .contact-details a:hover {
        color: var(--primary-color);
    }

address {
    font-style: normal;
}

.business-hours {
    margin-top: var(--space-lg);
}

    .business-hours h4 {
        margin-bottom: var(--space-sm);
    }

    .business-hours li {
        margin-bottom: 0.25rem;
        color: var(--gray-color);
    }

.form-header {
    margin-bottom: var(--space-lg);
}

.form-group {
    margin-bottom: var(--space-md);
}

    .form-group label {
        display: block;
        margin-bottom: 0.5rem;
        font-weight: 500;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        width: 100%;
        padding: var(--space-sm);
        border-radius: 5px;
        border: 1px solid var(--gray-color);
        background: var(--dark-light);
        color: var(--light-color);
        font-family: var(--font-main);
    }

    .form-group textarea {
        min-height: 150px;
        resize: vertical;
    }

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

    .checkbox-group input {
        width: auto;
    }

.form-actions {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
}

.error-message {
    color: var(--error-color);
    font-size: var(--text-sm);
    margin-top: 0.25rem;
    display: none;
}

input.error,
select.error,
textarea.error {
    border-color: var(--error-color);
}

.map-placeholder {
    height: 300px;
    background: var(--dark-light);
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--gray-color);
    margin-top: var(--space-md);
}

    .map-placeholder i {
        font-size: 3rem;
        margin-bottom: var(--space-sm);
    }

/* ===== Toast Notifications ===== */
.toast {
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-lg);
    padding: var(--space-md);
    border-radius: 5px;
    background: var(--dark-light);
    color: var(--light-color);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    z-index: 1000;
    opacity: 0;
    transform: translateY(20px);
    animation: slideIn 0.3s ease forwards;
}

    .toast i {
        font-size: 1.5rem;
    }

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

.toast-error {
    border-left: 4px solid var(--error-color);
}

.toast h4 {
    margin-bottom: 0.25rem;
}

.toast p {
    margin-bottom: 0;
    font-size: var(--text-sm);
}

.toast.fade-out {
    animation: fadeOut 0.3s ease forwards;
}

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

@keyframes fadeOut {
    to {
        opacity: 0;
        transform: translateY(20px);
    }
}

/* ===== Skeleton Loading ===== */
.skeleton-track,
.skeleton-producer {
    background: var(--dark-light);
    border-radius: 10px;
    padding: var(--space-md);
}

.skeleton-image,
.skeleton-avatar {
    background: var(--gray-color);
    opacity: 0.2;
    border-radius: 5px;
    height: 200px;
    margin-bottom: var(--space-sm);
    animation: pulse 1.5s infinite;
}

.skeleton-avatar {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    margin: 0 auto var(--space-sm);
}

.skeleton-text {
    background: var(--gray-color);
    opacity: 0.2;
    height: 1rem;
    margin-bottom: 0.5rem;
    border-radius: 3px;
    animation: pulse 1.5s infinite;
}

    .skeleton-text.short {
        width: 50%;
    }

.skeleton-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    margin: var(--space-md) 0;
}

.skeleton-stat {
    background: var(--gray-color);
    opacity: 0.2;
    width: 50px;
    height: 2rem;
    border-radius: 3px;
    animation: pulse 1.5s infinite;
}

.skeleton-button {
    background: var(--gray-color);
    opacity: 0.2;
    height: 2rem;
    border-radius: 5px;
    animation: pulse 1.5s infinite;
}

.skeleton-audio {
    background: var(--gray-color);
    opacity: 0.2;
    height: 2.5rem;
    margin-bottom: var(--space-sm);
    border-radius: 5px;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.2;
    }

    50% {
        opacity: 0.4;
    }
}

/* ===== Footer Styles ===== */
footer {
    background: var(--dark-light);
    padding: var(--space-xl) 0 var(--space-md);
    margin-top: var(--space-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.footer-section h3 {
    margin-bottom: var(--space-md);
    color: var(--primary-color);
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.social-icons {
    display: flex;
    gap: var(--space-md);
}

    .social-icons a {
        font-size: 1.25rem;
        color: var(--gray-color);
        transition: color 0.3s ease;
    }

        .social-icons a:hover {
            color: var(--primary-color);
        }

.footer-bottom {
    text-align: center;
    padding-top: var(--space-md);
    border-top: 1px solid var(--gray-color);
    color: var(--gray-color);
    font-size: var(--text-sm);
}

.legal-links {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    margin-top: var(--space-sm);
}

    .legal-links a {
        color: var(--gray-color);
        font-size: var(--text-sm);
    }

/* ===== Responsive Styles ===== */
@media (max-width: 768px) {
    :root {
        --space-lg: 1.5rem;
        --space-xl: 2rem;
        --text-xxl: 2.5rem;
        --text-xl: 1.75rem;
    }

    nav ul {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-sm);
    }

        nav ul li {
            margin-left: 0;
        }

    .hero {
        height: auto;
        padding: var(--space-xl) 0;
    }

    .hero-buttons {
        flex-direction: column;
        gap: var(--space-sm);
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .playlist-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-sm);
    }

    .playlist-footer {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .tracks-grid,
    .producers-grid {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }
}