/* =========================================
   GESTOR DE LISTAS - CSS ISOLADO E INDEPENDENTE
   Identidade: App Turquesa
   ========================================= */

:root {
    /* Cores Turquesa */
    --accent: #0d9488; 
    --accent-hover: #0f766e;
    --accent-light: rgba(13, 148, 136, 0.1);
    --accent-glow: rgba(13, 148, 136, 0.3);

    /* Estrutura */
    --bg-primary: #ffffff;
    --bg-secondary: #f0fdfa; /* Fundo Menta Suave */
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --shadow: 0 4px 15px rgba(13, 148, 136, 0.08);
    --shadow-hover: 0 10px 25px rgba(13, 148, 136, 0.15);
    
    /* Status */
    --status-synced: #10b981;
    --status-offline: #f59e0b;
    --danger: #ef4444;
}

[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --border-color: #334155;
    --shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    --accent: #14b8a6;
}

/* Reset Básico */
* { margin: 0; padding: 0; box-sizing: border-box; font-family:"Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
body { background-color: var(--bg-secondary); color: var(--text-primary); line-height: 1.6; }

/* NAVBAR & HEADER */
.navbar { background: var(--bg-primary); /* padding: 1rem 2rem */; /* border-bottom: 1px solid var(--border-color) */; /* display: flex; */ justify-content: space-between; align-items: center; position: sticky; top: 0; z-index: 100; }
.nav-brand { display: flex; align-items: center; gap: 1rem; }
.back-button { background: none; border: none; cursor: pointer; color: var(--text-primary); display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 50%; transition: background 0.3s; }
.back-button:hover { background: var(--bg-secondary); }
.logo-link { text-decoration: none; font-size: 1.5rem; font-weight: bold; color: var(--accent); }
.nav-actions { display: flex; gap: 1rem; }

.page-header { background: var(--bg-primary); padding: 2.5rem 2rem; border-bottom: 1px solid var(--border-color); text-align: center; }
.page-header h1 { display: flex; align-items: center; justify-content: center; gap: 0.5rem; color: var(--accent); margin-bottom: 0.5rem; }

/* MAIN CONTAINER */
.lists-main-container { max-width: 1200px; margin: 0 auto; padding: 2rem; }

/* BARRA DE CONTROLOS */
.controls-bar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 2rem; flex-wrap: wrap; gap: 1rem; }
.search-box { display: flex; align-items: center; background: var(--bg-primary); border: 1px solid var(--border-color); border-radius: 8px; padding: 0.5rem 1rem; flex: 1; max-width: 400px; transition: border-color 0.3s; }
.search-box:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-light); }
.search-box input { border: none; background: transparent; outline: none; padding: 0.5rem; width: 100%; color: var(--text-primary); }
.search-box span { color: var(--text-secondary); }
.action-buttons { display: flex; gap: 1rem; }

/* BOTÕES GLOBAIS */
.btn { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.75rem 1.5rem; border-radius: 8px; font-weight: 600; border: none; cursor: pointer; transition: all 0.3s ease; font-size: 0.95rem; }
.btn.primary { background: var(--accent); color: white; }
.btn.primary:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: var(--shadow); }
.btn.secondary { background: var(--bg-primary); color: var(--text-primary); border: 1px solid var(--border-color); }
.btn.secondary:hover { background: var(--bg-secondary); border-color: var(--accent); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

/* ESTADO VAZIO */
.empty-state { text-align: center; padding: 4rem 2rem; background: var(--bg-primary); border-radius: 12px; border: 1px dashed var(--border-color); }
.empty-icon { font-size: 4rem; color: var(--text-secondary); opacity: 0.5; margin-bottom: 1rem; }

/* GRELHA DE LISTAS */
.lists-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.5rem; }

.list-card { background: var(--bg-primary); border-radius: 12px; padding: 1.5rem; box-shadow: var(--shadow); position: relative; transition: all 0.3s ease; border: 1px solid var(--border-color); display: flex; flex-direction: column; }
.list-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); border-color: var(--accent-light); }

/* Indicador de Sync (Bolinha de cor) */
.sync-status { position: absolute; top: 1rem; right: 1rem; width: 10px; height: 10px; border-radius: 50%; }
.sync-status.synced { background-color: var(--status-synced); box-shadow: 0 0 8px var(--status-synced); }
.sync-status.offline { background-color: var(--status-offline); box-shadow: 0 0 8px var(--status-offline); }

.list-card-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 1rem; padding-right: 1.5rem; }
.list-title { font-size: 1.25rem; color: var(--text-primary); margin-bottom: 0.25rem; }
.list-description { font-size: 0.9rem; color: var(--text-secondary); display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.list-menu-btn { background: none; border: none; color: var(--text-secondary); cursor: pointer; padding: 0.25rem; border-radius: 50%; transition: background 0.3s; position: absolute; right: 1rem; top: 2.5rem; }
.list-menu-btn:hover { background: var(--bg-secondary); color: var(--accent); }

.list-stats { display: flex; gap: 1rem; margin-top: auto; padding-top: 1rem; border-top: 1px solid var(--border-color); font-size: 0.85rem; color: var(--text-secondary); }
.list-stat { display: flex; align-items: center; gap: 0.3rem; }
.list-stat span.material-symbols-sharp { font-size: 1.1rem; }

.sync-info { margin-top: 0.5rem; font-size: 0.8rem; color: var(--text-secondary); font-style: italic; }

.list-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; margin-top: 1.5rem; }
.list-actions .btn { width: 100%; justify-content: center; padding: 0.6rem; font-size: 0.9rem; }

/* MENU DE CONTEXTO (Os 3 pontinhos) */
.context-menu { display: none; position: absolute; background: var(--bg-primary); border: 1px solid var(--border-color); border-radius: 8px; box-shadow: 0 10px 25px rgba(0,0,0,0.1); z-index: 1000; min-width: 150px; overflow: hidden; }
.context-menu button { display: flex; align-items: center; gap: 0.75rem; width: 100%; padding: 0.75rem 1rem; border: none; background: none; text-align: left; cursor: pointer; font-size: 0.9rem; color: var(--text-primary); transition: background 0.2s; }
.context-menu button:hover { background: var(--bg-secondary); color: var(--accent); }
.context-menu .divider { height: 1px; background: var(--border-color); margin: 0; }
.context-menu button.danger { color: var(--danger); }
.context-menu button.danger:hover { background: #fef2f2; }

/* MODAIS GLOBAIS (Criar, Editar, Adicionar Palavras) */
.modal { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.6); z-index: 2000; align-items: center; justify-content: center; backdrop-filter: blur(3px); }
.modal-content { background: var(--bg-primary); border-radius: 12px; padding: 2rem; width: 90%; max-width: 500px; box-shadow: 0 20px 40px rgba(0,0,0,0.2); position: relative; animation: slideUp 0.3s ease-out; max-height: 90vh; overflow-y: auto; }
@keyframes slideUp { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

.close-modal { position: absolute; top: 1rem; right: 1rem; background: none; border: none; font-size: 1.5rem; cursor: pointer; color: var(--text-secondary); transition: color 0.3s; }
.close-modal:hover { color: var(--danger); }

/* Formulários dentro de Modais */
.form-group { margin-bottom: 1.25rem; text-align: left; }
.form-group label { display: block; margin-bottom: 0.5rem; font-weight: 500; font-size: 0.95rem; }
.form-group input, .form-group textarea, .form-group select { width: 100%; padding: 0.75rem; border: 1px solid var(--border-color); border-radius: 8px; background: var(--bg-primary); color: var(--text-primary); font-family: inherit; transition: border-color 0.3s, box-shadow 0.3s; }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-light); }
.form-group select { cursor: pointer; }

/* LOADING OVERLAY */
.loading-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(255,255,255,0.8); z-index: 9999; display: flex; flex-direction: column; align-items: center; justify-content: center; backdrop-filter: blur(2px); }
[data-theme="dark"] .loading-overlay { background: rgba(15, 23, 42, 0.8); }
.spinner { width: 50px; height: 50px; border: 4px solid var(--accent-light); border-top-color: var(--accent); border-radius: 50%; animation: spin 1s linear infinite; margin-bottom: 1rem; }
@keyframes spin { to { transform: rotate(360deg); } }

/* RESPONSIVIDADE */
@media (max-width: 768px) {
    .controls-bar { flex-direction: column; align-items: stretch; }
    .search-box { max-width: 100%; }
    .lists-grid { grid-template-columns: 1fr; }
    .list-actions { grid-template-columns: 1fr; }
}
.nav-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--bg-secondary);
    border: 2px solid var(--shadow);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.nav-btn:hover:not(:disabled) {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
    transform: scale(1.1);
}

.nav-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

/* BARRA DE NAVEGAÇÃO UNIFICADA DA SUITE DE VOCABULÁRIO */
.vocab-suite-nav {
    display: inline-flex;
    background: var(--bg-secondary);
    padding: 0.35rem;
    border-radius: 14px;
    border: 1px solid var(--border-color);
    gap: 0.4rem;
    margin-top: 1.2rem;
    flex-wrap: wrap;
    justify-content: center;
}

.suite-tab {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.55rem 1.1rem;
    border-radius: 10px;
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.suite-tab:hover {
    color: var(--accent);
    background: var(--accent-light);
}

.suite-tab.active {
    background: var(--accent);
    color: #ffffff;
    box-shadow: 0 4px 12px var(--accent-glow);
}