/* style.css */

:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --accent-color: #ff6b6b;
    --background-light: #f4f7f6;
    --background-dark: #2c3e50;
    --text-color: #333;
    --text-light: #fff;
    --card-bg: #ffffff;
    --success-color: #4CAF50;
    --selected-color: #FFC107;
}

/* Base e Responsividade */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Poppins', sans-serif;
}

body {
    background-color: var(--background-light);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex-grow: 1;
    padding: 15px 10px;
}

/* Cabeçalho e Navegação */
header {
    background-color: var(--primary-color);
    color: var(--text-light);
    padding: 12px 15px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-with-image {
    color: var(--text-light);
    font-size: 1.4em;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 6px;
}

.btn-logout {
    background-color: var(--accent-color);
    color: var(--text-light);
    border: none;
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85em;
    font-weight: 600;
    transition: background-color 0.3s;
}

.btn-logout:hover {
    background-color: #e65252;
}

/* --- Área de Autenticação e Conteúdo --- */

.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 80vh;
    padding: 10px;
}

.auth-section {
    background-color: var(--card-bg);
    padding: 25px 20px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    max-width: 350px;
    width: 95%;
}

.auth-section h2 {
    color: var(--primary-color);
    margin-bottom: 8px;
    text-align: center;
    font-size: 1.6em;
}

.auth-section p {
    text-align: center;
    color: #666;
    margin-bottom: 20px;
    font-size: 0.9em;
}

.auth-form .form-group {
    margin-bottom: 15px;
}

.auth-form label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    font-size: 0.9em;
}

.auth-form input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 1em;
}

.btn-submit {
    background-color: var(--accent-color);
    color: var(--text-light);
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1em;
    font-weight: 600;
    transition: background-color 0.3s;
    width: 100%;
    margin-top: 10px;
}

.btn-submit:hover {
    background-color: #e65252;
}

/* --- Área de Conteúdo (App) --- */

.app-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 5px;
}

.hero {
    text-align: center;
    padding: 25px 15px;
    background-color: var(--primary-color);
    color: var(--text-light);
    border-radius: 10px;
    margin-bottom: 20px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.hero h1 {
    font-size: 1.8em;
    margin-bottom: 8px;
}

.hero p {
    font-size: 0.95em;
    opacity: 0.95;
}

.music-list-section h2 {
    color: var(--secondary-color);
    text-align: center;
    margin-bottom: 20px;
    font-size: 1.6em;
}

.music-controls {
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
}

#searchInput, #orderSelect {
    padding: 8px 12px;
    border-radius: 6px;
    border: 1px solid #ccc;
    width: 100%;
    max-width: 300px;
    font-size: 0.9em;
}

.music-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
    max-width: 1200px;
    margin: 0 auto;
}

.music-card {
    background-color: var(--card-bg);
    padding: 18px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    position: relative;
    border-left: 4px solid var(--primary-color);
    transition: transform 0.2s;
}

.music-card:hover {
    transform: translateY(-2px);
}

.music-card h3 {
    color: var(--secondary-color);
    margin-bottom: 6px;
    font-size: 1.1em;
}

.music-card p {
    font-size: 0.85em;
    color: #666;
    margin-bottom: 10px;
}

.audio-player {
    width: 100%;
    margin-top: 10px;
    height: 40px;
}

.add-to-playlist-btn {
    display: block;
    width: 100%;
    margin-top: 12px;
    background-color: var(--primary-color) !important;
    color: var(--text-light) !important;
    border: none;
    padding: 10px 15px !important;
    border-radius: 6px !important;
    cursor: pointer;
    font-size: 0.9em !important;
    font-weight: 600;
    transition: background-color 0.3s;
}

.add-to-playlist-btn:hover:not(.in-playlist) {
    background-color: var(--secondary-color) !important;
}

.add-to-playlist-btn.in-playlist {
    background-color: var(--selected-color) !important;
    color: var(--text-color) !important;
    cursor: default;
    opacity: 0.9;
    pointer-events: none;
}

.open-sheet-btn {
    display: block;
    width: 100%;
    margin-top: 8px;
    background-color: #4CAF50 !important;
    color: var(--text-light) !important;
    border: none;
    padding: 10px 15px !important;
    border-radius: 6px !important;
    cursor: pointer;
    font-size: 0.9em !important;
    font-weight: 600;
    transition: background-color 0.3s;
}

.open-sheet-btn:hover {
    background-color: #45a049 !important;
}

/* --- PLAYER MODAL --- */

#playerListModal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.7);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s;
}

.modal-player-content {
    background: var(--background-light);
    padding: 20px 15px;
    border-radius: 10px;
    max-width: 95%;
    width: 95%;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-close-button {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 1.8rem;
    background: none;
    border: none;
    cursor: pointer;
    color: #555;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-title {
    text-align: center;
    color: var(--secondary-color);
    margin-bottom: 15px;
    font-size: 1.3em;
}

.now-playing {
    text-align: center;
    padding: 8px 0;
    font-weight: 600;
    font-size: 1em;
    color: var(--secondary-color);
    margin-bottom: 10px;
}

.player-main-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin: 15px 0;
}

.player-main-controls button {
    background: none;
    border: none;
    cursor: pointer;
    color: #888;
    transition: color 0.2s, transform 0.2s;
}

.player-main-controls .control-nav {
    font-size: 1.8rem;
    padding: 5px;
    line-height: 1;
}

.player-main-controls .control-nav:hover {
    color: var(--primary-color);
    transform: scale(1.05);
}

.player-main-controls .control-nav:disabled {
    color: #ccc;
    cursor: not-allowed;
    transform: none;
}

.player-main-controls .control-main {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: #e0e0e0;
    color: #666;
    font-size: 1.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    padding-left: 3px;
}

.player-main-controls .control-main:hover {
    background-color: #ccc;
    color: var(--secondary-color);
}

#modalAudioPlayer {
    width: 100%;
    margin-bottom: 15px;
    height: 40px;
}

.modal-music-list {
    width: 100%;
    margin-top: 10px;
    max-height: 200px;
    overflow-y: auto;
    padding-right: 5px;
}

.modal-music-list > div {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    background: #fff;
    border-radius: 6px;
    padding: 8px 12px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.07);
}

.modal-music-list span {
    flex: 1;
    font-size: 0.85em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.modal-music-list button {
    border: none;
    border-radius: 4px;
    padding: 4px 8px;
    cursor: pointer;
    font-size: 0.75rem;
    transition: background 0.2s;
    flex-shrink: 0;
}

.modal-music-list button.remove {
    background: #ff5252;
    color: #fff;
}

.modal-music-list button.remove:hover {
    background: #e53935;
}

.modal-music-list button:not(.remove) {
    background: #667eea;
    color: #fff;
}

.modal-music-list button:not(.remove):hover {
    background: #5a6edb;
}

.modal-music-list button:disabled {
    background: #bdbdbd;
    cursor: not-allowed;
}

/* --- SHEET MODAL --- */

#sheetModal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.95);
    z-index: 10000;
    align-items: center;
    justify-content: center;
    padding: 10px;
    box-sizing: border-box;
}

.sheet-modal-content {
    background: var(--background-dark);
    padding: 8px;
    border-radius: 10px;
    max-width: 98%;
    max-height: 98%;
    width: 95vw;
    height: 90vh;
    position: relative;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
}

#closeSheetModal {
    position: absolute;
    top: -12px;
    right: -12px;
    font-size: 1.3rem;
    background: #ff6b6b;
    z-index: 10001;
    color: white !important;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid white;
}

#sheetViewer {
    width: 100%;
    height: 100%;
    border: none;
    flex-grow: 1;
}

/* Estilos responsivos para o modal de partitura */
@media (max-width: 768px) {
    #sheetModal {
        padding: 5px;
    }
    
    .sheet-modal-content {
        width: 99vw;
        height: 95vh;
        padding: 5px;
    }
    
    #closeSheetModal {
        top: 5px;
        right: 5px;
        width: 25px;
        height: 25px;
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .sheet-modal-content {
        width: 100vw;
        height: 97vh;
        border-radius: 5px;
    }
    
    #closeSheetModal {
        top: 3px;
        right: 3px;
    }
}

/* Rodapé */
footer {
    text-align: center;
    padding: 15px 10px;
    margin-top: 20px;
    background-color: var(--background-dark);
    color: #aaa;
    font-size: 0.8em;
}

/* Mensagens de Alerta */
.alert {
    padding: 12px;
    margin-bottom: 15px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.9em;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Animações */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Estilos para telas maiores (tablet/desktop) */
@media (min-width: 768px) {
    main {
        padding: 20px;
    }
    
    header {
        padding: 15px 30px;
    }
    
    .logo-with-image {
        font-size: 1.8em;
    }
    
    .btn-logout {
        padding: 10px 20px;
        font-size: 1em;
    }
    
    .auth-section {
        padding: 40px;
        max-width: 400px;
    }
    
    .auth-section h2 {
        font-size: 2em;
    }
    
    .app-container {
        padding: 20px 15px;
    }
    
    .hero {
        padding: 40px 20px;
        margin-bottom: 30px;
    }
    
    .hero h1 {
        font-size: 2.5em;
    }
    
    .hero p {
        font-size: 1.1em;
    }
    
    .music-list-section h2 {
        font-size: 2em;
    }
    
    .music-controls {
        flex-direction: row;
        justify-content: center;
        gap: 16px;
    }
    
    #searchInput, #orderSelect {
        width: auto;
        min-width: 220px;
    }
    
    .music-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 25px;
    }
    
    .music-card {
        padding: 25px;
    }
    
    .music-card h3 {
        font-size: 1.4em;
    }
    
    .music-card p {
        font-size: 0.9em;
    }
    
    .modal-player-content {
        max-width: 500px;
        padding: 30px;
    }
    
    .modal-title {
        font-size: 1.5em;
    }
    
    .player-main-controls .control-nav {
        font-size: 2.5rem;
    }
    
    .player-main-controls .control-main {
        width: 60px;
        height: 60px;
        font-size: 1.8rem;
    }
    
    .sheet-modal-content {
        max-width: 90%;
        max-height: 90%;
        width: 900px;
        height: 90vh;
    }
    
    footer {
        font-size: 0.9em;
    }
}

/* Estilos para telas médias */
@media (min-width: 480px) and (max-width: 767px) {
    .music-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 20px;
    }
    
    .music-card {
        padding: 20px;
    }
    
    .modal-player-content {
        padding: 25px 20px;
    }
}