body {
            font-family: 'Inter', sans-serif;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        :root {
            --bg-primary: #f8f9fa;
            --bg-secondary: #ffffff;
            --bg-tertiary: #e9ecef;
            --text-primary: #212529;
            --text-secondary: #6c757d;
            --text-tertiary: #757575;
            --accent-primary: #4C6EF5;
            --accent-secondary: #849BFF;
            --border-color: #ced4da;
            --success-color: #28a745;
            --warning-color: #ffc107;
            --shadow-color: rgba(0, 0, 0, 0.05);
        }
        .theme-dark {
            --bg-primary: #121212;
            --bg-secondary: #1E1E1E;
            --bg-tertiary: #2C2C2C;
            --text-primary: #E0E0E0;
            --text-secondary: #A0A0A0;
            --text-tertiary: #757575;
            --accent-primary: #5A7DFF;
            --accent-secondary: #849BFF;
            --border-color: #3A3A3A;
            --success-color: #34D399;
            --warning-color: #FBBF24;
            --shadow-color: rgba(0, 0, 0, 0.2);
        }
        .theme-sepia {
            --bg-primary: #fbf5e9;
            --bg-secondary: #ffffff;
            --bg-tertiary: #f2e9d8;
            --text-primary: #5b4636;
            --text-secondary: #8d7a69;
            --text-tertiary: #8d7a69;
            --accent-primary: #d55f3e;
            --accent-secondary: #e58a6f;
            --border-color: #d8d0c0;
            --success-color: #5a9c5a;
            --warning-color: #b58c3a;
            --shadow-color: rgba(91, 70, 54, 0.1);
        }
        .bg-primary { background-color: var(--bg-primary); }
        .bg-secondary { background-color: var(--bg-secondary); }
        .bg-tertiary { background-color: var(--bg-tertiary); }
        .text-primary { color: var(--text-primary); }
        .text-secondary { color: var(--text-secondary); }
        .text-tertiary { color: var(--text-tertiary); }
        .text-accent-primary { color: var(--accent-primary); }
        .bg-accent-primary { background-color: var(--accent-primary); }
        .border-color { border-color: var(--border-color); }
        .ring-accent-primary { ring-color: var(--accent-primary); }
        .shadow-custom { box-shadow: 0 4px 12px var(--shadow-color); }
        .fill-accent-primary { fill: var(--accent-primary); }
        .task-checkbox:checked + .task-label .checkbox-icon, .habit-checkbox:checked + .habit-label .checkbox-icon { background-color: var(--success-color); border-color: var(--success-color); }
        .task-checkbox:checked + .task-label .checkbox-icon svg, .habit-checkbox:checked + .habit-label .checkbox-icon svg { transform: scale(1); }
        .task-checkbox:checked + .task-label .task-text, .habit-checkbox:checked + .habit-label .habit-text { text-decoration: line-through; color: var(--text-tertiary); }
        .lucide { width: 1em; height: 1em; stroke-width: 2; }
        .sidebar { transition: transform 0.3s ease-in-out; }
        @media (max-width: 768px) {
            .sidebar { transform: translateX(-100%); z-index: 40; }
            .sidebar.open { transform: translateX(0); }
        }
        #focus-mode { background-color: rgba(0,0,0,0.7); backdrop-filter: blur(10px); }
        .fade-in { animation: fadeIn 0.5s ease-out forwards; }
        @keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
        .view { display: none; }
        .view.active { display: block; }
        .nav-link.active, .context-link.active, .project-link.active { background-color: var(--bg-tertiary); color: var(--text-primary); }
        select, textarea, input[type="datetime-local"], input[type="time"] { -webkit-appearance: none; -moz-appearance: none; appearance: none; }
        input[type="datetime-local"]::-webkit-calendar-picker-indicator, input[type="time"]::-webkit-calendar-picker-indicator {
            background: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpath d='M8 2v4'%3e%3c/path%3e%3cpath d='M16 2v4'%3e%3c/path%3e%3crect x='3' y='4' width='18' height='18' rx='2'%3e%3c/rect%3e%3cpath d='M3 10h18'%3e%3c/path%3e%3c/svg%3e") no-repeat;
            background-size: 1em 1em;
            opacity: 0.6;
            cursor: pointer;
        }
        input[type="time"]::-webkit-calendar-picker-indicator {
             background: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3ccircle cx='12' cy='12' r='10'%3e%3c/circle%3e%3cpolyline points='12 6 12 12 16 14'%3e%3c/polyline%3e%3c/svg%3e") no-repeat;
        }
        select { background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e"); background-repeat: no-repeat; background-position: right 0.75rem center; background-size: 1em 1em; padding-right: 2.5rem; }
        .calendar-day { position: relative; transition: background-color: 0.2s; }
        .calendar-day.today { background-color: var(--accent-secondary); color: white; }
        .calendar-day.selected { background-color: var(--accent-primary); color: white; }
        .indicator-container { position: absolute; bottom: 6px; left: 50%; transform: translateX(-50%); display: flex; gap: 3px; }
        .indicator { width: 5px; height: 5px; border-radius: 50%; }
        .task-indicator { background-color: var(--warning-color); }
        .project-indicator { background-color: var(--accent-primary); }
        .completed-project-indicator { background-color: var(--success-color); }
        .calendar-day.selected .indicator { background-color: white; }
        .theme-switcher.active {
            background-color: var(--bg-tertiary);
            color: var(--accent-primary);
            box-shadow: 0 0 0 2px var(--accent-primary);
        }
        #auth-btn:disabled {
            background-color: #9ca3af; /* gray-400 */
            cursor: not-allowed;
            opacity: 0.7;
        }
        .legal-modal-content {
             max-height: 60vh;
             overflow-y: auto;
             padding-right: 1rem;
        }
        .legal-modal-content h3 {
            font-size: 1.125rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-top: 1.5rem;
            margin-bottom: 0.5rem;
        }
         .legal-modal-content p, .legal-modal-content li {
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 1rem;
        }
        .legal-modal-content ul {
            list-style-position: inside;
            list-style-type: disc;
        }
        .text-balance { text-wrap: balance; }
        #app {
          padding-top: env(safe-area-inset-top);
          padding-left: env(safe-area-inset-left);
          padding-right: env(safe-area-inset-right);
          padding-bottom: env(safe-area-inset-bottom);
        }

/* --- MELHORIAS MODERNAS MOMENTUM --- */
/* Efeito de Vidro Fosco (Glassmorphism) */
.glass-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}
.theme-dark .glass-card {
    background: rgba(30, 30, 30, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.08);
}
.theme-sepia .glass-card {
    background: rgba(251, 245, 233, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(91, 70, 54, 0.15);
}

/* Micro-interações nos cards */
.task-item, .habit-item {
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.task-item:hover, .habit-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px var(--shadow-color);
}

/* Confetes */
.confetti-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 9999;
}

/* Botão de Som no Cabeçalho */
.sound-toggle-btn {
    transition: transform 0.2s ease;
}
.sound-toggle-btn:active {
    transform: scale(0.9);
}

/* Barra inferior mobile */
@media (max-width: 768px) {
    #mobile-bottom-nav {
        display: flex !important;
    }
    #app {
        padding-bottom: 4.5rem;
    }
}