/* TripSync - Enhanced Styles with Bug Fixes */

:root {
    /* Color Palette */
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #60a5fa;
    --secondary-color: #10b981;
    --accent-color: #f59e0b;
    --danger-color: #ef4444;
    --success-color: #22c55e;
    --warning-color: #f97316;
    
    /* Neutral Colors */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Typography */
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* Fix for Google Places Autocomplete dropdown z-index issue in modals */
.pac-container {
    z-index: 9999 !important;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    color: var(--gray-900);
    background-color: var(--gray-50);
    line-height: 1.5;
    min-height: 100vh;
}

/* Navigation */
.navbar {
    background: white;
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-brand i {
    font-size: 1.5rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xs);
    margin: 0;
    padding: 0;
}

.nav-link {
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--gray-600);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    font-weight: 500;
}

.nav-link:hover {
    color: var(--primary-color);
    background-color: var(--primary-color);
    background-color: rgba(37, 99, 235, 0.1);
}

.nav-link.active {
    color: var(--primary-color);
    background-color: rgba(37, 99, 235, 0.1);
}

.nav-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--gray-600);
    margin: 3px 0;
    transition: var(--transition-fast);
    border-radius: var(--radius-full);
}

/* Main Container */
.main-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-lg);
    min-height: calc(100vh - 64px);
}

/* View Sections */
.view-section {
    display: none;
    animation: fadeIn var(--transition-base);
}

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

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

/* Dashboard */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.dashboard-header h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
}

/* Trips Grid */
.trips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.trip-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    cursor: pointer;
}

.trip-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.trip-card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
}

.trip-card-content {
    padding: var(--spacing-lg);
}

.trip-card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--gray-900);
}

.trip-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--gray-600);
}

.trip-card-meta span {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.trip-card-meta i {
    color: var(--primary-color);
}

/* Planner View */
.planner-header {
    margin-bottom: var(--spacing-xl);
}
.planner-grid {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: var(--spacing-lg);
}
.planner-suggestions-panel, .planner-timeline-panel {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}
.poi-container {
    max-height: 400px;
    overflow-y: auto;
    margin-bottom: var(--spacing-lg);
}
.poi-item {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}
.unscheduled-activities {
    margin-bottom: var(--spacing-lg);
}
.unscheduled-drop-zone {
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    min-height: 100px;
}

/* Profile View */
.profile-header {
    margin-bottom: var(--spacing-xl);
}
.profile-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}
.profile-form-panel, .profile-preferences-panel, .profile-bucket-list-panel {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}
.bucket-list {
    list-style: none;
    padding: 0;
}
.bucket-list li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--gray-200);
}

/* Timeline */
.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.timeline-container {
    position: relative;
}

.timeline-day {
    margin-bottom: var(--spacing-lg);
}

.timeline-date {
    font-size: 1.1rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}
.timeline-actions {
    margin-bottom: var(--spacing-sm);
}
.timeline-items {
    padding: var(--spacing-sm);
}
.timeline-item {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-sm);
    cursor: grab;
}
.timeline-item h3 {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
}
.timeline-item p {
    font-size: 0.9rem;
    color: var(--gray-600);
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: var(--z-modal-backdrop);
    animation: fadeIn var(--transition-fast);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp var(--transition-base);
}

@keyframes slideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
}

.modal-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
}

.modal-close {
    background: transparent;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
}

.modal-form {
    padding: var(--spacing-lg);
}

/* Forms */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
}
.destination-input.invalid {
    border-color: var(--danger-color);
}
.error-message {
    color: var(--danger-color);
    font-size: 0.8rem;
    margin-top: var(--spacing-xs);
}

.checkbox-group {
    display: flex;
    align-items: center;
}
.checkbox-group input {
    width: auto;
    margin-right: var(--spacing-sm);
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}