:root {
    --primary: #D4AF37;       /* Dourado Premium */
    --primary-dark: #B5952F;
    --bg-dark: #121212;       /* Fundo Principal */
    --bg-card: #1E1E1E;       /* Fundo dos Cards */
    --bg-input: #2D2D2D;      /* Fundo de Inputs/Slots */
    --text-main: #FFFFFF;
    --text-muted: #A0A0A0;
    --border: #333333;
    --danger: #EF4444;
    --success: #10B981;
    --whatsapp: #25D366;
    --radius: 12px;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

[data-theme="light"] {
    --bg-dark: #F5F5F7;       /* Fundo Claro */
    --bg-card: #FFFFFF;       /* Cards Brancos */
    --bg-input: #F0F0F0;      /* Inputs Claros */
    --text-main: #1D1D1F;     /* Texto Escuro */
    --text-muted: #86868b;
    --border: #D2D2D7;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    /* Primary (Dourado) mantém o mesmo para identidade visual */
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    min-height: 100vh;
    padding: 20px;
    line-height: 1.6;
}

.container {
    max-width: 800px;
    margin: 0 auto;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 40px;
    padding: 20px;
    position: relative;
}

.logo {
    width: 100px;
    height: 100px;
    object-fit: contain;
    margin-bottom: 15px;
    filter: drop-shadow(0 0 15px rgba(212, 175, 55, 0.2));
}

.header h1 {
    color: var(--primary);
    font-size: 2.5rem;
    margin-bottom: 5px;
    font-weight: 700;
    letter-spacing: -1px;
}

.header p {
    color: var(--text-muted);
    font-size: 1rem;
}

.import-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 20px;
    color: var(--bg-dark);
    background-color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    padding: 10px 24px;
    border-radius: 50px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.import-link:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
}

.theme-toggle {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-main);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 100;
}

/* Sections */
section {
    background-color: var(--bg-card);
    border-radius: var(--radius);
    padding: 30px;
    margin-bottom: 25px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

section h2 {
    color: var(--text-main);
    margin-bottom: 25px;
    font-size: 1.5rem;
    font-weight: 600;
    border-left: 4px solid var(--primary);
    padding-left: 15px;
}

/* Calendar */
.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    background-color: var(--bg-input);
    padding: 10px;
    border-radius: 50px;
}

.nav-btn {
    background: var(--bg-card);
    border: none;
    color: var(--primary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-btn:hover {
    background-color: var(--primary);
    color: var(--bg-dark);
}

#currentMonth {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-main);
    text-transform: capitalize;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 8px;
}

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    font-weight: 500;
    font-size: 0.95rem;
}

.calendar-day.header {
    color: var(--primary);
    font-weight: 700;
    cursor: default;
    background-color: transparent;
    font-size: 0.85rem;
    text-transform: uppercase;
}

.calendar-day:not(.header):not(.disabled):hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.calendar-day.selected {
    background-color: var(--primary);
    color: var(--bg-dark);
    font-weight: 700;
    box-shadow: 0 0 15px rgba(212, 175, 55, 0.4);
}

.calendar-day.today {
    border: 1px solid var(--primary);
    color: var(--primary);
}

.calendar-day.today.selected {
    color: var(--bg-dark);
}

.calendar-day.other-month {
    color: var(--text-muted);
    opacity: 0.2;
}

.calendar-day.disabled {
    color: #444;
    cursor: not-allowed;
}

/* Time Slots */
.selected-date-display {
    color: var(--text-muted);
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.time-slots {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(85px, 1fr));
    gap: 12px;
}

.time-slot {
    background-color: var(--bg-input);
    padding: 12px 5px;
    text-align: center;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    border: 1px solid transparent;
    font-size: 0.9rem;
    color: var(--text-main);
}

.time-slot:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

.time-slot.selected {
    background-color: var(--primary);
    color: var(--bg-dark);
    font-weight: 700;
    border-color: var(--primary);
}

.time-slot.booked {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    cursor: not-allowed;
    text-decoration: line-through;
    opacity: 0.5;
    border-color: transparent;
}

.time-slot.booked:hover {
    transform: none;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 25px;
    background-color: var(--bg-input);
    padding: 5px;
    border-radius: 10px;
}

.tab-btn {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: 12px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 600;
    transition: all 0.3s;
    border-radius: 8px;
}

.tab-btn.active {
    background-color: var(--bg-card);
    color: var(--primary);
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Booking Cards */
.booking-card {
    background-color: var(--bg-input);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 15px;
    border-left: 4px solid var(--primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
    transition: transform 0.2s;
}

.booking-card:hover {
    transform: translateX(5px);
}

.booking-info h3 {
    color: var(--text-main);
    margin-bottom: 8px;
    font-size: 1.1rem;
}

.booking-info p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 4px;
}

.booking-info strong {
    color: var(--primary);
    font-weight: 500;
}

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

/* Buttons */
button {
    cursor: pointer;
    border: none;
    border-radius: 8px;
    padding: 8px 16px;
    font-weight: 600;
    transition: all 0.2s;
    font-size: 0.9rem;
}

.btn-complete {
    background-color: var(--success);
    color: white;
}

.btn-complete:hover {
    background-color: #059669;
}

.btn-cancel {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border: 1px solid var(--danger);
}

.btn-cancel:hover {
    background-color: var(--danger);
    color: white;
}

.btn-share {
    background-color: var(--whatsapp);
    color: white;
    display: flex;
    align-items: center;
    gap: 5px;
}

.btn-share:hover {
    background-color: #128C7E;
}

.theme-toggle:hover {
    background: var(--bg-input);
    transform: scale(1.1);
    color: var(--primary);
}

.btn-export, .btn-clear {
    background-color: var(--bg-card);
    color: var(--text-main);
    border: 1px solid var(--border);
    padding: 10px 20px;
}

.btn-export:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.btn-clear:hover {
    border-color: var(--danger);
    color: var(--danger);
}

/* Totals Section */
.totals-section {
    background: linear-gradient(145deg, rgba(212, 175, 55, 0.1), transparent);
    padding: 25px;
    border-radius: var(--radius);
    margin-bottom: 25px;
    border: 1px solid rgba(212, 175, 55, 0.2);
}

.totals-section h3 {
    color: var(--primary);
    border: none;
    margin-bottom: 15px;
    padding: 0;
}

.totals-actions {
    margin-top: 20px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* Import Page Styles (para manter consistência) */
.status-message {
    padding: 15px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    text-align: center;
    font-weight: 500;
}
.status-message.error { background-color: rgba(239, 68, 68, 0.2); color: var(--danger); border: 1px solid var(--danger); }
.status-message.success { background-color: rgba(16, 185, 129, 0.2); color: var(--success); border: 1px solid var(--success); }
.status-message.warning { background-color: rgba(245, 158, 11, 0.2); color: #F59E0B; border: 1px solid #F59E0B; }

.preview-card {
    background-color: var(--bg-input);
    padding: 25px;
    border-radius: var(--radius);
    border-left: 4px solid var(--primary);
    margin-top: 20px;
}

.preview-card h4 {
    color: var(--primary);
    font-size: 1.2rem;
    margin-bottom: 15px;
}

textarea {
    width: 100%;
    background-color: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text-main);
    padding: 15px;
    border-radius: var(--radius);
    resize: vertical;
    min-height: 150px;
    font-size: 1rem;
    margin-bottom: 15px;
}

textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(212, 175, 55, 0.2);
}

/* Import Page Specifics */
.back-link {
    display: inline-block;
    margin-bottom: 20px;
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s;
}

.back-link:hover {
    color: var(--primary-dark);
    transform: translateX(-5px);
}

.instructions {
    background-color: rgba(212, 175, 55, 0.1);
    border-left: 4px solid var(--primary);
    padding: 15px;
    margin-bottom: 25px;
    border-radius: 8px;
}

.instructions h3 {
    color: var(--primary);
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.instructions p {
    color: var(--text-muted);
    margin: 5px 0;
}

.instructions code {
    background-color: var(--bg-dark);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--primary);
    font-family: monospace;
}

.textarea-container label {
    display: block;
    margin-bottom: 10px;
    color: var(--text-main);
    font-weight: 500;
    font-size: 1.1rem;
}

.button-group {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
}

.button-group .btn-import, .button-group .btn-clear {
    flex: 1;
}

.btn-import {
    background-color: var(--success);
    color: white;
}

.btn-import:hover {
    background-color: #059669;
}

.preview-section {
    margin-top: 30px;
    display: none;
}

.preview-section.active {
    display: block;
}

.preview-section h3 {
    color: var(--text-main);
    margin-bottom: 15px;
    font-size: 1.3rem;
}

/* Responsive */
@media (max-width: 600px) {
    body {
        padding: 5px;
    }

    .header {
        padding: 15px 10px;
        margin-bottom: 20px;
    }

    .header h1 {
        font-size: 1.8rem;
    }

    .logo {
        width: 80px;
        height: 80px;
    }

    section {
        padding: 15px 10px;
    }

    .button-group {
        flex-direction: column;
    }

    .calendar-grid {
        gap: 4px;
    }

    .calendar-day.header {
        font-size: 0.8rem;
        margin-bottom: 5px;
    }

    .calendar-day {
        font-size: 1rem;
        border-radius: 8px;
        height: 45px; /* Altura fixa para facilitar o toque */
        aspect-ratio: auto; /* Remove proporção quadrada para ganhar espaço vertical */
    }

    .nav-btn {
        width: 36px;
        height: 36px;
    }

    .time-slots {
        grid-template-columns: repeat(auto-fill, minmax(75px, 1fr));
        gap: 8px;
    }

    .time-slot {
        padding: 12px 5px;
        font-size: 0.9rem;
    }
    
    .booking-card {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .booking-actions {
        width: 100%;
        margin-top: 15px;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }

    .booking-actions button {
        width: 100%;
    }
}