/* ============================================
   Tipos Beach House — Mobile-First Stylesheet
   ============================================ */

:root {
    --primary: #2E7D6F;
    --primary-light: #3a9b8a;
    --secondary: #F5A623;
    --bg: #FAFAFA;
    --text: #1A1A1A;
    --text-light: #666666;
    --border: #E0E0E0;
    --white: #FFFFFF;
    --blocked: #E0E0E0;
    --error: #D32F2F;
    --success: #388E3C;
    --warning: #F5A623;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 2px 8px rgba(0,0,0,0.1);
    --shadow-lg: 0 4px 16px rgba(0,0,0,0.15);
    --nav-height: 72px;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 18px;
}

body {
    font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* ---- Layout ---- */

.main-content {
    padding-bottom: calc(var(--nav-height) + 1rem);
}

.page-container {
    padding: 1.5rem 1rem;
    max-width: 600px;
    margin: 0 auto;
}

.page-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--primary);
}

.section-title {
    font-size: 1.15rem;
    font-weight: 600;
    margin: 1.5rem 0 0.75rem;
}

/* ---- Bottom Nav ---- */

.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: var(--white);
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-around;
    align-items: center;
    z-index: 100;
    box-shadow: 0 -2px 8px rgba(0,0,0,0.05);
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: var(--text-light);
    font-size: 0.7rem;
    font-weight: 500;
    padding: 0.5rem;
    min-width: 64px;
    transition: color 0.2s;
}

.nav-item.active,
.nav-item:hover {
    color: var(--primary);
}

.nav-icon {
    width: 28px;
    height: 28px;
    margin-bottom: 2px;
}

/* ---- Buttons ---- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, opacity 0.2s;
    font-size: 1rem;
    padding: 0.75rem 1.5rem;
    min-height: 48px;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--primary-light);
}

.btn-secondary {
    background: var(--border);
    color: var(--text);
}

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

.btn-large {
    width: 100%;
    min-height: 56px;
    font-size: 1.1rem;
    border-radius: var(--radius);
}

.btn-small {
    padding: 0.4rem 0.8rem;
    min-height: 36px;
    font-size: 0.85rem;
}

.btn-small.active {
    background: var(--primary);
    color: var(--white);
}

.btn-icon {
    background: none;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
    color: var(--text);
    min-height: 48px;
    min-width: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.btn-icon:hover {
    background: rgba(0,0,0,0.05);
}

/* ---- Forms ---- */

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.4rem;
    margin-top: 1rem;
    font-size: 0.95rem;
}

.form-input {
    width: 100%;
    padding: 0.85rem 1rem;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 1rem;
    background: var(--white);
    color: var(--text);
    transition: border-color 0.2s;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
}

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

.radio-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    cursor: pointer;
}

.radio-label input[type="radio"] {
    width: 20px;
    height: 20px;
    accent-color: var(--primary);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    cursor: pointer;
    margin: 0.75rem 0;
}

.checkbox-label input[type="checkbox"] {
    width: 22px;
    height: 22px;
    accent-color: var(--primary);
}

/* ---- Messages ---- */

.error-message {
    background: #fde8e8;
    color: var(--error);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    margin-top: 0.75rem;
    display: none;
}

.success-message {
    background: #e8f5e9;
    color: var(--success);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    margin-top: 0.75rem;
}

.warning-message {
    background: #fff3e0;
    color: #e65100;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    margin-top: 0.75rem;
}

.empty-text, .loading {
    color: var(--text-light);
    font-size: 0.95rem;
    padding: 1rem 0;
}

/* ---- Login ---- */

.login-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem 1rem;
}

.login-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 2rem;
    text-align: center;
}

.login-form {
    width: 100%;
    max-width: 360px;
}

.pin-display {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    text-align: center;
    min-height: 56px;
    margin-bottom: 1rem;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
}

.pin-dots {
    font-size: 2rem;
    letter-spacing: 0.5rem;
}

.pin-pad {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.pin-btn {
    min-height: 60px;
    font-size: 1.5rem;
    font-weight: 600;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s;
    font-family: inherit;
    color: var(--text);
}

.pin-btn:hover:not(.pin-btn-empty) {
    background: #f0f0f0;
}

.pin-btn:active:not(.pin-btn-empty) {
    background: #e0e0e0;
}

.pin-btn-empty {
    border: none;
    cursor: default;
}

.pin-btn-delete {
    color: var(--error);
}

/* ---- Calendar ---- */

.calendar-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.calendar-month-title {
    font-size: 1.2rem;
    font-weight: 600;
}

.calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    text-align: center;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 3px;
}

.calendar-day {
    aspect-ratio: 1;
    border-radius: var(--radius-sm);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    padding: 2px;
    border: 1px solid transparent;
    position: relative;
    background: var(--white);
    transition: background 0.15s;
    min-height: 48px;
}

.calendar-day:hover:not(.empty):not(.past):not(.blocked) {
    border-color: var(--primary);
}

.calendar-day.empty {
    background: transparent;
    cursor: default;
}

.calendar-day.past {
    opacity: 0.4;
    cursor: default;
}

.calendar-day.blocked {
    background: var(--blocked);
    cursor: pointer;
}

.calendar-day.today {
    border: 2px solid var(--primary);
}

.day-number {
    font-size: 0.85rem;
    font-weight: 600;
}

.day-label {
    font-size: 0.55rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 100%;
    line-height: 1.2;
}

.calendar-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1rem;
    padding: 0.75rem;
    background: var(--white);
    border-radius: var(--radius-sm);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8rem;
}

.legend-color {
    width: 16px;
    height: 16px;
    border-radius: 4px;
    flex-shrink: 0;
}

/* ---- Modal ---- */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 200;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s;
}

.modal-overlay.visible {
    opacity: 1;
    pointer-events: auto;
}

.modal {
    background: var(--white);
    border-radius: var(--radius) var(--radius) 0 0;
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.modal-overlay.visible .modal {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1rem;
    border-bottom: 1px solid var(--border);
}

.modal-title {
    font-size: 1.2rem;
    font-weight: 700;
}

.modal-close {
    font-size: 1.8rem;
    line-height: 1;
}

.modal-body {
    padding: 1rem 1rem 2rem;
}

/* ---- Tabs ---- */

.tabs {
    display: flex;
    gap: 0;
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--border);
}

.tab {
    flex: 1;
    padding: 0.75rem;
    border: none;
    background: none;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    transition: color 0.2s, border-color 0.2s;
}

.tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

/* ---- History ---- */

.history-list {
    margin-top: 1rem;
}

.history-item {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
}

.history-time {
    font-size: 0.8rem;
    color: var(--text-light);
    margin-bottom: 0.2rem;
}

.history-text {
    font-size: 0.95rem;
}

.history-empty {
    text-align: center;
    color: var(--text-light);
    padding: 2rem 0;
}

.pagination {
    display: flex;
    gap: 0.4rem;
    justify-content: center;
    margin-top: 1rem;
    flex-wrap: wrap;
}

/* ---- Profile ---- */

.profile-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 1.25rem;
    box-shadow: var(--shadow);
}

.profile-header {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.profile-color {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    flex-shrink: 0;
}

.profile-name {
    font-size: 1.3rem;
    font-weight: 700;
}

.profile-role {
    font-size: 0.85rem;
    color: var(--text-light);
}

.profile-actions {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.reservations-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.reservation-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--white);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow);
}

.reservation-color {
    width: 12px;
    height: 40px;
    border-radius: 4px;
    flex-shrink: 0;
}

/* ---- Admin ---- */

.admin-cards {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.admin-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.5rem;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-decoration: none;
    color: var(--text);
    transition: box-shadow 0.2s, transform 0.15s;
}

.admin-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.admin-card-icon {
    width: 48px;
    height: 48px;
    color: var(--primary);
    margin-bottom: 0.75rem;
}

.admin-card-title {
    font-size: 1.1rem;
    font-weight: 700;
}

.admin-card-desc {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-top: 0.25rem;
}

.users-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.user-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    background: var(--white);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow);
}

.user-card-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.user-card-color {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    flex-shrink: 0;
}

.user-card-name {
    font-weight: 600;
    font-size: 1rem;
}

.user-card-meta {
    font-size: 0.8rem;
    color: var(--text-light);
}

.user-card-actions {
    display: flex;
    gap: 0.4rem;
}

.user-card.inactive {
    opacity: 0.5;
}

.color-picker {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.color-swatch {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    border: 3px solid transparent;
    transition: border-color 0.15s, transform 0.15s;
}

.color-swatch:hover {
    transform: scale(1.1);
}

.color-swatch.selected {
    border-color: var(--text);
}

.settings-form {
    max-width: 500px;
}

/* ---- Reservation Detail (Modal) ---- */

.detail-owner {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.detail-owner-color {
    width: 20px;
    height: 20px;
    border-radius: 50%;
}

.detail-guests {
    margin: 1rem 0;
}

.detail-guest {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border);
}

.detail-notes {
    margin: 1rem 0;
    padding: 0.75rem;
    background: #f5f5f5;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
}

.detail-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

/* ---- Responsive (Tablet+) ---- */

@media (min-width: 768px) {
    .page-container {
        max-width: 800px;
        padding: 2rem;
    }

    .calendar-grid {
        gap: 4px;
    }

    .calendar-day {
        min-height: 64px;
        padding: 4px;
    }

    .day-label {
        font-size: 0.7rem;
    }

    .modal {
        border-radius: var(--radius);
        margin-bottom: 2rem;
        max-width: 500px;
    }

    .modal-overlay {
        align-items: center;
    }

    .admin-cards {
        flex-direction: row;
    }

    .admin-card {
        flex: 1;
    }

    .pin-btn {
        min-height: 70px;
        font-size: 1.6rem;
    }
}