/**
 * UI/UX Enhancements for Restaurant Booking Manager
 * Improves visual hierarchy, spacing, form layouts, and mobile responsiveness
 */

/* ===========================
   Icon Improvements
   =========================== */

.rb-icon {
    display: inline-block;
    vertical-align: middle;
    flex-shrink: 0;
}

.rb-gmail-nav-icon .rb-icon,
.rb-gmail-status-icon .rb-icon,
.rb-gmail-source-icon .rb-icon {
    color: currentColor;
    transition: transform 0.2s ease;
}

.rb-gmail-header-nav a:hover .rb-icon,
.rb-gmail-status-link:hover .rb-icon,
.rb-gmail-source-link:hover .rb-icon {
    transform: scale(1.1);
}

/* ===========================
   Enhanced Visual Hierarchy
   =========================== */

/* Better section spacing */
.rb-manager-gmail-page > * + * {
    margin-top: 24px;
}

/* Improved card shadows with depth */
.rb-manager--gmail .rb-manager-create,
.rb-manager--gmail .rb-manager-tables,
.rb-manager--gmail .rb-manager-customers,
.rb-manager--gmail .rb-manager-settings {
    box-shadow:
        0 2px 8px rgba(60, 64, 67, 0.08),
        0 8px 24px rgba(60, 64, 67, 0.12);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.rb-manager--gmail .rb-manager-create:hover,
.rb-manager--gmail .rb-manager-tables:hover,
.rb-manager--gmail .rb-manager-customers:hover {
    box-shadow:
        0 4px 12px rgba(60, 64, 67, 0.12),
        0 12px 32px rgba(60, 64, 67, 0.16);
    transform: translateY(-2px);
}

/* Enhanced Typography */
.rb-manager--gmail .rb-manager-gmail-page h3 {
    position: relative;
    padding-bottom: 12px;
}

.rb-manager--gmail .rb-manager-gmail-page h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 48px;
    height: 3px;
    background: var(--rb-gmail-primary);
    border-radius: 2px;
}

/* ===========================
   Enhanced Form Layouts
   =========================== */

/* Form section grouping */
.rb-form-section {
    background: var(--rb-gmail-surface-alt);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
}

.rb-form-section-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--rb-gmail-text);
    margin: 0 0 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.rb-form-section-title .rb-icon {
    color: var(--rb-gmail-primary);
}

/* Improved form field labels with help text */
.rb-field-wrapper {
    position: relative;
}

.rb-field-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
    font-weight: 500;
}

.rb-field-label-text {
    display: flex;
    align-items: center;
    gap: 6px;
}

.rb-field-help {
    font-size: 12px;
    color: var(--rb-gmail-muted);
    font-weight: normal;
    margin-top: 4px;
    line-height: 1.4;
}

.rb-field-required {
    color: #d93025;
    font-weight: 600;
}

/* Enhanced input focus states */
.rb-manager--gmail .rb-manager-gmail-page input:not([type="checkbox"]):not([type="radio"]):focus,
.rb-manager--gmail .rb-manager-gmail-page select:focus,
.rb-manager--gmail .rb-manager-gmail-page textarea:focus {
    border-color: var(--rb-gmail-primary);
    box-shadow: 0 0 0 4px rgba(34, 113, 177, 0.12);
    background: #fff;
    transform: translateY(-1px);
}

/* Input with icon */
.rb-input-with-icon {
    position: relative;
}

.rb-input-with-icon .rb-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--rb-gmail-muted);
    pointer-events: none;
}

.rb-input-with-icon input {
    padding-left: 44px;
}

/* ===========================
   Status Badges & Indicators
   =========================== */

.rb-status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    line-height: 1.5;
    text-transform: capitalize;
}

.rb-status-badge .rb-icon {
    width: 14px;
    height: 14px;
}

/* Status badge variants */
.rb-status-badge--pending {
    background: rgba(249, 168, 37, 0.15);
    color: #b26a00;
}

.rb-status-badge--confirmed {
    background: rgba(26, 115, 232, 0.15);
    color: #1a73e8;
}

.rb-status-badge--completed {
    background: rgba(26, 106, 42, 0.15);
    color: #1a6a2a;
}

.rb-status-badge--cancelled {
    background: rgba(217, 48, 37, 0.15);
    color: #d93025;
}

/* Booking source badges */
.rb-source-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 10px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 500;
    background: var(--rb-gmail-surface-alt);
    color: var(--rb-gmail-muted);
    border: 1px solid var(--rb-gmail-border);
}

.rb-source-badge .rb-icon {
    width: 12px;
    height: 12px;
}

/* ===========================
   Improved Sidebar Navigation
   =========================== */

.rb-gmail-status-list a,
.rb-gmail-source-list a {
    border-radius: 8px;
    padding: 10px 12px;
    transition: all 0.2s ease;
}

.rb-gmail-status-list a:hover,
.rb-gmail-source-list a:hover {
    background: var(--rb-gmail-surface-alt);
    transform: translateX(4px);
}

.rb-gmail-status-list a.is-active,
.rb-gmail-source-list a.is-active {
    background: var(--rb-gmail-primary);
    color: #fff;
    box-shadow: 0 4px 12px rgba(34, 113, 177, 0.24);
}

.rb-gmail-status-list a.is-active .rb-icon,
.rb-gmail-source-list a.is-active .rb-icon {
    color: #fff;
}

/* Status and source count badges */
.rb-gmail-status-count,
.rb-gmail-source-count {
    background: rgba(255, 255, 255, 0.2);
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
    min-width: 24px;
    text-align: center;
}

.rb-gmail-status-link.is-active .rb-gmail-status-count,
.rb-gmail-source-link.is-active .rb-gmail-source-count {
    background: rgba(255, 255, 255, 0.25);
    color: #fff;
}

/* ===========================
   Enhanced Buttons
   =========================== */

.rb-manager--gmail .rb-btn,
.rb-manager--gmail button[type="submit"],
.rb-manager--gmail .rb-btn-primary {
    background: var(--rb-gmail-primary);
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgba(34, 113, 177, 0.24);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.rb-manager--gmail .rb-btn:hover,
.rb-manager--gmail button[type="submit"]:hover,
.rb-manager--gmail .rb-btn-primary:hover {
    background: var(--rb-gmail-primary-light);
    box-shadow: 0 4px 12px rgba(34, 113, 177, 0.32);
    transform: translateY(-2px);
}

.rb-manager--gmail .rb-btn:active,
.rb-manager--gmail button[type="submit"]:active,
.rb-manager--gmail .rb-btn-primary:active {
    transform: translateY(0);
}

.rb-manager--gmail .rb-btn-secondary {
    background: var(--rb-gmail-surface-alt);
    color: var(--rb-gmail-text);
    border: 1px solid var(--rb-gmail-border);
}

.rb-manager--gmail .rb-btn-secondary:hover {
    background: var(--rb-gmail-surface);
    border-color: var(--rb-gmail-primary);
}

.rb-manager--gmail .rb-btn-danger {
    background: #d93025;
    color: #fff;
}

.rb-manager--gmail .rb-btn-danger:hover {
    background: #b32d2e;
}

.rb-manager--gmail .rb-btn-success {
    background: #1a6a2a;
    color: #fff;
}

.rb-manager--gmail .rb-btn-success:hover {
    background: #137333;
}

/* Button with icon */
.rb-btn .rb-icon {
    width: 16px;
    height: 16px;
}

/* ===========================
   Loading States
   =========================== */

.rb-loading-overlay {
    position: relative;
}

.rb-loading-overlay::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(2px);
    z-index: 10;
    border-radius: inherit;
}

.rb-loading-overlay::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 32px;
    height: 32px;
    margin: -16px 0 0 -16px;
    border: 3px solid var(--rb-gmail-border);
    border-top-color: var(--rb-gmail-primary);
    border-radius: 50%;
    animation: rb-spin 0.8s linear infinite;
    z-index: 11;
}

@keyframes rb-spin {
    to { transform: rotate(360deg); }
}

/* Skeleton loading for lists */
.rb-skeleton {
    background: linear-gradient(
        90deg,
        var(--rb-gmail-surface-alt) 0%,
        #e0e3e9 50%,
        var(--rb-gmail-surface-alt) 100%
    );
    background-size: 200% 100%;
    animation: rb-skeleton-loading 1.5s ease-in-out infinite;
    border-radius: 8px;
}

@keyframes rb-skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ===========================
   Toast Notifications
   =========================== */

.rb-toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: var(--rb-gmail-surface);
    color: var(--rb-gmail-text);
    padding: 16px 20px;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(60, 64, 67, 0.28);
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 320px;
    max-width: 480px;
    z-index: 10000;
    animation: rb-toast-slide-in 0.3s ease;
    border-left: 4px solid var(--rb-gmail-primary);
}

@keyframes rb-toast-slide-in {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.rb-toast--success {
    border-left-color: #1a6a2a;
}

.rb-toast--error {
    border-left-color: #d93025;
}

.rb-toast--warning {
    border-left-color: #f9a825;
}

.rb-toast .rb-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.rb-toast-message {
    flex: 1;
    font-size: 14px;
    line-height: 1.5;
}

/* ===========================
   Enhanced Table Styles
   =========================== */

.rb-manager-bookings-table tbody tr {
    transition: background 0.2s ease, transform 0.2s ease;
}

.rb-manager-bookings-table tbody tr:hover {
    background: var(--rb-gmail-surface-alt);
    transform: scale(1.01);
    box-shadow: 0 2px 8px rgba(60, 64, 67, 0.08);
}

.rb-manager-bookings-table td {
    padding: 14px 16px;
}

/* ===========================
   Responsive Mobile Improvements
   =========================== */

@media (max-width: 768px) {
    /* Larger tap targets */
    .rb-gmail-header-nav a {
        padding: 12px 16px;
        font-size: 14px;
    }

    .rb-gmail-status-list a,
    .rb-gmail-source-list a {
        padding: 14px 16px;
    }

    /* Better button sizing */
    .rb-manager--gmail .rb-btn,
    .rb-manager--gmail button[type="submit"] {
        padding: 12px 24px;
        font-size: 15px;
        width: 100%;
        justify-content: center;
    }

    /* Stack form fields */
    .rb-form-grid {
        grid-template-columns: 1fr;
    }

    /* Enhanced sidebar */
    .rb-gmail-sidebar {
        width: 100%;
        max-width: 320px;
    }

    /* Better card spacing */
    .rb-manager--gmail .rb-manager-body {
        padding: 20px 16px;
    }

    .rb-manager--gmail .rb-manager-create,
    .rb-manager--gmail .rb-manager-tables,
    .rb-manager--gmail .rb-manager-customers,
    .rb-manager--gmail .rb-manager-settings {
        padding: 20px 16px;
    }

    /* Responsive header */
    .rb-manager--gmail .rb-manager-header {
        padding: 12px 16px;
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .rb-manager--gmail .rb-gmail-header-title {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .rb-manager--gmail .rb-manager-header-right {
        flex-wrap: wrap;
        width: 100%;
    }

    /* Toast positioning */
    .rb-toast {
        left: 16px;
        right: 16px;
        bottom: 16px;
        min-width: auto;
    }
}

/* ===========================
   Settings Tab Improvements
   =========================== */

.rb-manager-settings-tabs {
    display: flex;
    gap: 8px;
    border-bottom: 2px solid var(--rb-gmail-border);
    margin-bottom: 24px;
    overflow-x: auto;
}

.rb-manager-settings-tab {
    background: transparent;
    border: none;
    padding: 12px 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--rb-gmail-muted);
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.rb-manager-settings-tab:hover {
    color: var(--rb-gmail-text);
    background: var(--rb-gmail-surface-alt);
}

.rb-manager-settings-tab.active {
    color: var(--rb-gmail-primary);
    border-bottom-color: var(--rb-gmail-primary);
    font-weight: 600;
}

.rb-manager-settings-panels [data-tab] {
    animation: rb-fade-in 0.3s ease;
}

@keyframes rb-fade-in {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===========================
   Enhanced Settings Grid
   =========================== */

.rb-manager-settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.rb-manager-settings-grid .rb-manager-wide {
    grid-column: 1 / -1;
}

/* ===========================
   Accessibility Improvements
   =========================== */

/* Focus visible states */
*:focus-visible {
    outline: 2px solid var(--rb-gmail-primary);
    outline-offset: 2px;
}

/* Skip to content link */
.rb-skip-to-content {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--rb-gmail-primary);
    color: #fff;
    padding: 8px 16px;
    text-decoration: none;
    z-index: 100;
}

.rb-skip-to-content:focus {
    top: 0;
}

/* Screen reader only */
.rb-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ===========================
   Print Styles
   =========================== */

@media print {
    .rb-manager-header,
    .rb-gmail-sidebar,
    .rb-manager--gmail .rb-btn,
    .rb-toast {
        display: none !important;
    }

    .rb-manager--gmail .rb-manager-body {
        padding: 0;
    }

    .rb-manager--gmail .rb-manager-create,
    .rb-manager--gmail .rb-manager-tables,
    .rb-manager--gmail .rb-manager-customers,
    .rb-manager--gmail .rb-manager-settings {
        box-shadow: none;
        border: 1px solid #000;
    }
}