/* Reset e configurações básicas */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Nova paleta: Roxo escuro com gradiente azul */
    --primary-purple: #7C3AED;
    --primary-purple-light: #8B5CF6;
    --primary-purple-dark: #5B21B6;
    --accent-blue: #3B82F6;
    --accent-blue-light: #60A5FA;
    --bg-dark: #0F0A1A;
    --bg-darker: #0A0612;
    --card-bg: #1A1225;
    --card-bg-hover: #251A35;
    --text-white: #ffffff;
    --text-gray: #A78BFA;
    --text-light-gray: #C4B5FD;
    --danger-red: #EF4444;
    --warning-yellow: #F59E0B;
    --success-green: #10B981;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-darker) 50%, #0D1033 100%);
    color: var(--text-white);
    min-height: 100vh;
    line-height: 1.6;
}

/* Container principal */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
header {
    background: linear-gradient(90deg, var(--bg-darker) 0%, rgba(123, 58, 237, 0.2) 50%, var(--bg-darker) 100%);
    padding: 20px 0;
    box-shadow: 0 2px 20px rgba(123, 58, 237, 0.3);
    margin-bottom: 30px;
    border-bottom: 1px solid rgba(139, 92, 246, 0.3);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 2em;
    font-weight: bold;
    background: linear-gradient(135deg, var(--primary-purple) 0%, var(--accent-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
}

.logo:hover {
    opacity: 0.8;
}

nav a {
    color: var(--text-white);
    text-decoration: none;
    margin-left: 20px;
    padding: 8px 16px;
    border-radius: 20px;
    transition: all 0.3s;
}

nav a:hover {
    background: linear-gradient(135deg, var(--primary-purple) 0%, var(--accent-blue) 100%);
}

/* Títulos */
h1, h2, h3 {
    margin-bottom: 20px;
}

h1 {
    font-size: 2.5em;
    background: linear-gradient(135deg, var(--primary-purple-light) 0%, var(--accent-blue-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h2 {
    font-size: 2em;
    color: var(--text-white);
}

h3 {
    font-size: 1.5em;
    color: var(--text-light-gray);
}

/* Cards */
.card {
    background: linear-gradient(145deg, var(--card-bg) 0%, rgba(26, 18, 37, 0.8) 100%);
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid rgba(139, 92, 246, 0.2);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 25px rgba(123, 58, 237, 0.3);
    border-color: rgba(139, 92, 246, 0.4);
}

/* Grid de perfis */
.profiles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.profile-card {
    background: linear-gradient(145deg, var(--card-bg) 0%, rgba(26, 18, 37, 0.8) 100%);
    border-radius: 12px;
    padding: 25px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid rgba(139, 92, 246, 0.2);
}

.profile-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 25px rgba(123, 58, 237, 0.3);
    border-color: rgba(139, 92, 246, 0.5);
}

.profile-card h3 {
    background: linear-gradient(135deg, var(--primary-purple-light) 0%, var(--accent-blue-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 15px;
}

/* Formulários */
.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-light-gray);
    font-weight: 500;
}

input[type="text"],
input[type="password"],
input[type="email"],
textarea,
select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid rgba(139, 92, 246, 0.3);
    border-radius: 8px;
    background-color: var(--bg-dark);
    color: var(--text-white);
    font-size: 1em;
    transition: border-color 0.3s, box-shadow 0.3s;
}

/* Estilos para options do select - compatibilidade cross-browser */
select option {
    background-color: #1A1225;
    color: #ffffff;
    padding: 10px;
}

select option:hover,
select option:focus,
select option:checked {
    background-color: #7C3AED;
    color: #ffffff;
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--primary-purple);
    box-shadow: 0 0 15px rgba(123, 58, 237, 0.3);
}

textarea {
    resize: vertical;
    min-height: 100px;
}

/* Botões */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 25px;
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
    transition: all 0.3s;
    margin: 5px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-purple) 0%, var(--accent-blue) 100%);
    color: var(--text-white);
    box-shadow: 0 4px 15px rgba(123, 58, 237, 0.4);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-purple-light) 0%, var(--accent-blue-light) 100%);
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(123, 58, 237, 0.5);
}

.btn-secondary {
    background-color: var(--card-bg);
    color: var(--text-white);
    border: 1px solid rgba(139, 92, 246, 0.3);
}

.btn-secondary:hover {
    background-color: var(--card-bg-hover);
    border-color: var(--primary-purple);
}

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

.btn-danger:hover {
    background-color: #DC2626;
}

.btn-small {
    padding: 8px 16px;
    font-size: 0.9em;
}

.btn-block {
    display: block;
    width: 100%;
}

/* Playlists */
.playlists-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.playlist-card {
    background: linear-gradient(145deg, var(--card-bg) 0%, rgba(26, 18, 37, 0.8) 100%);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    cursor: pointer;
    border: 1px solid rgba(139, 92, 246, 0.2);
}

.playlist-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 25px rgba(123, 58, 237, 0.3);
    border-color: rgba(139, 92, 246, 0.5);
}

.playlist-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 15px;
    background-color: var(--bg-dark);
}

.playlist-card h3 {
    color: var(--text-white);
    margin-bottom: 10px;
    font-size: 1.2em;
}

.playlist-card p {
    color: var(--text-light-gray);
    font-size: 0.9em;
}

/* Tracks */
.track-list {
    list-style: none;
    margin-top: 20px;
}

.track-item {
    background-color: var(--card-bg);
    padding: 15px;
    margin-bottom: 10px;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s;
    border: 1px solid rgba(139, 92, 246, 0.1);
}

.track-item:hover {
    background-color: var(--card-bg-hover);
    border-color: rgba(139, 92, 246, 0.3);
}

.track-info {
    flex: 1;
}

.track-name {
    color: var(--text-white);
    font-weight: 600;
    margin-bottom: 5px;
}

.track-artist {
    color: var(--text-light-gray);
    font-size: 0.9em;
}

.track-actions {
    display: flex;
    gap: 10px;
}

/* Mensagens Flash */
.flash-messages {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    max-width: 400px;
}

.alert {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.alert-success {
    background: linear-gradient(135deg, var(--success-green) 0%, #059669 100%);
    color: var(--text-white);
}

.alert-error {
    background: linear-gradient(135deg, var(--danger-red) 0%, #DC2626 100%);
    color: var(--text-white);
}

.alert-warning {
    background: linear-gradient(135deg, var(--warning-yellow) 0%, #D97706 100%);
    color: var(--bg-darker);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(10, 6, 18, 0.9);
}

.modal.active {
    display: flex;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: linear-gradient(145deg, var(--card-bg) 0%, var(--bg-dark) 100%);
    padding: 30px;
    border-radius: 12px;
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    border: 1px solid rgba(139, 92, 246, 0.3);
    box-shadow: 0 10px 40px rgba(123, 58, 237, 0.3);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.close-modal {
    font-size: 2em;
    color: var(--text-light-gray);
    cursor: pointer;
    background: none;
    border: none;
}

.close-modal:hover {
    color: var(--text-white);
}

/* Tabelas */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

th, td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid rgba(139, 92, 246, 0.2);
}

th {
    background: linear-gradient(90deg, var(--card-bg) 0%, rgba(123, 58, 237, 0.2) 100%);
    color: var(--primary-purple-light);
    font-weight: 600;
}

tr:hover {
    background-color: rgba(123, 58, 237, 0.1);
}

/* Busca */
.search-container {
    margin: 20px 0;
}

.search-box {
    display: flex;
    gap: 10px;
}

.search-box input {
    flex: 1;
}

.search-results {
    margin-top: 20px;
    max-height: 400px;
    overflow-y: auto;
}

/* Admin */
.admin-actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

/* Responsividade */
@media (max-width: 768px) {
    .profiles-grid,
    .playlists-grid {
        grid-template-columns: 1fr;
    }
    
    .header-content {
        flex-direction: column;
        gap: 15px;
    }
    
    nav {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    
    nav a {
        margin-left: 0;
    }
}

/* Animações */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

/* Loading */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--text-light-gray);
    border-radius: 50%;
    border-top-color: var(--primary-purple);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-light-gray);
}

.empty-state h3 {
    margin-bottom: 10px;
    color: var(--text-white);
}

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

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

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary-purple) 0%, var(--accent-blue) 100%);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--primary-purple-light) 0%, var(--accent-blue-light) 100%);
}

/* Stat cards para estatísticas */
.stat-card {
    background: linear-gradient(145deg, var(--card-bg) 0%, rgba(26, 18, 37, 0.8) 100%);
    padding: 25px;
    border-radius: 12px;
    text-align: center;
    border: 1px solid rgba(139, 92, 246, 0.2);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 25px rgba(123, 58, 237, 0.3);
}

.stat-icon {
    font-size: 2.5em;
    margin-bottom: 10px;
}

.stat-value {
    font-size: 2em;
    font-weight: bold;
    background: linear-gradient(135deg, var(--primary-purple-light) 0%, var(--accent-blue-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 5px;
}

.stat-label {
    color: var(--text-light-gray);
    font-size: 0.9em;
}

/* Tracks table para playlist */
.tracks-table {
    width: 100%;
    border-collapse: collapse;
}

.tracks-table th {
    background: linear-gradient(90deg, var(--card-bg) 0%, rgba(123, 58, 237, 0.2) 100%);
    color: var(--primary-purple-light);
    padding: 12px;
    text-align: left;
    font-weight: 600;
}

.tracks-table td {
    padding: 12px;
    border-bottom: 1px solid rgba(139, 92, 246, 0.1);
}

.tracks-table tr:hover {
    background-color: rgba(123, 58, 237, 0.1);
}

/* Track row para drag and drop */
.track-row {
    cursor: move;
    transition: all 0.2s ease;
}

.track-row:hover {
    background-color: rgba(123, 58, 237, 0.15);
}

.track-row.dragging {
    opacity: 0.5;
    background-color: rgba(123, 58, 237, 0.3);
}

.track-row.drag-over {
    border-top: 3px solid var(--primary-purple);
    background-color: rgba(123, 58, 237, 0.2);
}

/* Profile photo styles */
.profile-photo {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary-purple);
    box-shadow: 0 4px 15px rgba(123, 58, 237, 0.3);
}

.profile-photo-small {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary-purple);
}

.profile-photo-large {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary-purple);
    box-shadow: 0 4px 15px rgba(123, 58, 237, 0.3);
}

/* Selection highlight */
::selection {
    background: rgba(123, 58, 237, 0.4);
    color: var(--text-white);
}