/* ===================================
   Barcelona Study Abroad Planner Styles
   Color Palette: #3A232A, #242B11, #CCBEC0, #D7D1C3
   =================================== */

/* CSS Custom Properties (Variables) */
:root {
    --color-primary: #3A232A;      /* Deep burgundy */
    --color-secondary: #242B11;    /* Dark olive */
    --color-light: #CCBEC0;        /* Soft mauve */
    --color-lighter: #D7D1C3;      /* Warm cream */
    --color-white: #FFFFFF;
    --color-accent: #8B6F6F;       /* Derived accent color */
    --color-success: #5A7F5A;      /* Muted green */
    --color-hover: #4D2F37;        /* Slightly lighter burgundy */
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    --border-radius: 12px;
    --transition: all 0.3s ease;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
}

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

body {
    font-family: 'Times New Roman', Times, serif;
    background: linear-gradient(135deg, var(--color-lighter) 0%, var(--color-light) 100%);
    color: var(--color-secondary);
    line-height: 1.6;
    min-height: 100vh;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Header */
.main-header {
    background-color: var(--color-light);
    background-image: radial-gradient(var(--color-primary) 20%, transparent 21%),
                      radial-gradient(var(--color-primary) 20%, transparent 21%);
    background-size: 50px 50px;
    background-position: 0 0, 25px 25px;
    color: var(--color-primary);
    padding: var(--spacing-xl) var(--spacing-md);
    text-align: center;
    box-shadow: var(--shadow-lg);
    animation: slideDown 0.6s ease;
}

.main-header h1 {
    font-family: 'Clicker Script', cursive;
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    letter-spacing: 1px;
    color: var(--color-primary);
    background: rgba(255, 255, 255, 0.85);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 12px;
    display: inline-block;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    text-transform: none;
    text-shadow: 1px 1px 0 var(--color-primary), 
                 -1px -1px 0 var(--color-primary),
                 1px -1px 0 var(--color-primary),
                 -1px 1px 0 var(--color-primary);
}

.subtitle {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-secondary);
    background: rgba(255, 255, 255, 0.85);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 8px;
    display: inline-block;
    margin-top: var(--spacing-xs);
}

/* Main Content */
main {
    padding: var(--spacing-xl) 0;
}

/* Section Headers */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.section-header h2 {
    font-family: 'Clicker Script', cursive;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.helper-text {
    font-size: 0.9rem;
    color: var(--color-accent);
    width: 100%;
    margin-top: -var(--spacing-xs);
}

/* Buttons */
.btn-primary,
.btn-secondary,
.btn-nav {
    padding: var(--spacing-xs) var(--spacing-md);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.btn-primary:hover {
    background: var(--color-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

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

.btn-secondary:hover {
    background: var(--color-accent);
    color: var(--color-white);
}

.btn-nav {
    background: var(--color-white);
    color: var(--color-primary);
    width: 40px;
    height: 40px;
    padding: 0;
    font-size: 1.5rem;
}

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

/* Calendar Section */
.calendar-section {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 0.6s ease;
}

.calendar-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    gap: var(--spacing-sm);
}

.month-display {
    font-size: 1.5rem;
    color: var(--color-primary);
    text-align: center;
    flex: 1;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.calendar-day-header {
    text-align: center;
    font-weight: 600;
    color: var(--color-secondary);
    padding: var(--spacing-xs);
    font-size: 0.9rem;
}

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 4px;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
    position: relative;
    background: var(--color-lighter);
    overflow: hidden;
}

.calendar-day:hover {
    background: var(--color-light);
    transform: scale(1.05);
}

.calendar-day.inactive {
    opacity: 0.3;
    cursor: default;
}

.calendar-day.inactive:hover {
    transform: none;
    background: var(--color-lighter);
}

.calendar-day.today {
    background: var(--color-primary);
    color: var(--color-white);
    font-weight: 700;
}

.calendar-day.has-trip {
    background: var(--color-secondary);
    color: var(--color-white);
}

.calendar-day.has-event {
    background: #8B6F6F;
    color: var(--color-white);
}

/* If day has both trip and event */
.calendar-day.has-trip.has-event {
    background: linear-gradient(135deg, var(--color-secondary) 0%, #8B6F6F 100%);
}

.calendar-event-title {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-white);
    background: rgba(0, 0, 0, 0.4);
    padding: 3px 5px;
    border-radius: 4px;
    margin-top: auto;
    width: 100%;
    text-align: center;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    line-height: 1.3;
}

.calendar-legend {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.9rem;
    color: var(--color-secondary);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.today-dot {
    background: var(--color-primary);
}

.trip-dot {
    background: var(--color-secondary);
}

.event-dot {
    background: #8B6F6F;
}

/* Trips Section */
.trips-section {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 0.6s ease 0.1s backwards;
}

.trips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.trip-card {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    border: 2px solid var(--color-light);
    transition: var(--transition);
    animation: scaleIn 0.3s ease;
}

.trip-card.weekend-trip {
    border-color: var(--color-secondary);
}

.trip-card.regular-event {
    border-color: #8B6F6F;
}

.trip-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.trip-card-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: var(--spacing-sm);
}

.trip-card h3 {
    font-family: 'Times New Roman', Times, serif;
    color: var(--color-primary);
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.trip-dates {
    color: var(--color-secondary);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.trip-notes {
    color: var(--color-accent);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
    line-height: 1.5;
}

.trip-costs {
    margin-top: var(--spacing-sm);
}

.trip-costs-header {
    font-family: 'Times New Roman', Times, serif;
    font-weight: 600;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-xs);
    font-size: 1rem;
}

.trip-cost-item {
    display: flex;
    justify-content: space-between;
    padding: 4px 0;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--color-light);
}

.trip-cost-item:last-child {
    border-bottom: none;
    padding-top: var(--spacing-xs);
    margin-top: var(--spacing-xs);
    border-top: 2px solid var(--color-secondary);
    font-weight: 700;
    color: var(--color-success);
}

.trip-cost-description {
    color: var(--color-accent);
}

.trip-cost-amount {
    color: var(--color-success);
    font-weight: 600;
}

.trip-actions {
    display: flex;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-light);
}

/* Trip Itinerary Section */
.trip-itinerary {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 2px solid var(--color-light);
}

.trip-itinerary-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.trip-itinerary-header h4 {
    font-family: 'Times New Roman', Times, serif;
    color: var(--color-secondary);
    font-size: 1.1rem;
    font-weight: 600;
}

.btn-small {
    padding: 6px 14px;
    font-size: 0.85rem;
    background: var(--color-secondary);
    color: var(--color-white);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
    font-family: 'Times New Roman', serif;
}

.btn-small:hover {
    background: var(--color-primary);
    transform: translateY(-1px);
}

.itinerary-list {
    list-style: none;
}

.itinerary-item {
    background: var(--color-lighter);
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    border-radius: 8px;
    border-left: 3px solid var(--color-accent);
    transition: var(--transition);
}

.itinerary-item:hover {
    transform: translateX(3px);
    box-shadow: var(--shadow);
}

.itinerary-transport {
    border-left-color: #5A7F5A;
    background: #f5faf5;
}

.itinerary-housing {
    border-left-color: #8B6F6F;
    background: #faf8f8;
}

.itinerary-item-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    gap: var(--spacing-xs);
    margin-bottom: 4px;
}

.itinerary-title-section {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
}

.itinerary-category-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 2px 8px;
    border-radius: 4px;
    background: var(--color-primary);
    color: var(--color-white);
    width: fit-content;
}

.itinerary-activity .itinerary-category-badge {
    background: var(--color-secondary);
}

.itinerary-transport .itinerary-category-badge {
    background: #5A7F5A;
}

.itinerary-housing .itinerary-category-badge {
    background: #8B6F6F;
}

.itinerary-title {
    font-weight: 600;
    color: var(--color-primary);
    font-family: 'Times New Roman', serif;
}

.itinerary-time {
    font-size: 0.85rem;
    color: var(--color-accent);
    font-weight: 600;
}

.itinerary-notes {
    font-size: 0.85rem;
    color: var(--color-accent);
    line-height: 1.4;
    margin-top: 4px;
}

.empty-itinerary {
    text-align: center;
    padding: var(--spacing-md);
    color: var(--color-accent);
    font-style: italic;
    font-size: 0.9rem;
}

/* Events Modal */
.event-modal-item {
    padding: var(--spacing-sm);
    background: var(--color-lighter);
    border-radius: 8px;
    border-left: 4px solid var(--color-secondary);
}

.btn-icon {
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: 8px;
    transition: var(--transition);
    font-size: 1.2rem;
}

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

.empty-state {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--color-accent);
    font-style: italic;
}

/* General Ideas Section */
.general-ideas-section {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 0.6s ease 0.2s backwards;
}

.ideas-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.ideas-column-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--color-light);
}

.ideas-column h3 {
    color: var(--color-primary);
    margin: 0;
}

.ideas-list {
    list-style: none;
    min-height: 100px;
}

.idea-item {
    background: var(--color-lighter);
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    border-radius: 8px;
    transition: var(--transition);
    animation: slideInLeft 0.3s ease;
}

.idea-item:hover {
    background: var(--color-light);
    transform: translateX(5px);
}

.idea-item-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    gap: var(--spacing-xs);
}

.idea-title {
    font-weight: 600;
    color: var(--color-secondary);
    flex: 1;
}

.idea-description {
    font-size: 0.85rem;
    color: var(--color-accent);
    margin-top: var(--spacing-xs);
    line-height: 1.4;
}

.btn-delete {
    background: none;
    border: none;
    color: var(--color-accent);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: var(--transition);
    font-size: 1rem;
}

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

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    animation: fadeIn 0.3s ease;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--color-white);
    border-radius: var(--border-radius);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    animation: scaleIn 0.3s ease;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    border-bottom: 2px solid var(--color-light);
}

.modal-header h2 {
    color: var(--color-primary);
    font-size: 1.5rem;
}

.modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--color-accent);
    transition: var(--transition);
    line-height: 1;
    padding: 0;
    width: 32px;
    height: 32px;
}

.modal-close:hover {
    color: var(--color-primary);
    transform: rotate(90deg);
}

/* Forms */
form {
    padding: var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

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

label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--color-secondary);
}

input[type="text"],
input[type="date"],
input[type="number"],
input[type="time"],
select,
textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--color-light);
    border-radius: 8px;
    font-size: 1rem;
    font-family: 'Times New Roman', serif;
    transition: var(--transition);
    background: var(--color-white);
}

select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%233A232A' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

/* Checkbox styling */
.checkbox-group {
    margin-bottom: var(--spacing-md);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
    font-weight: 600;
    color: var(--color-secondary);
}

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

.checkbox-label span {
    font-size: 1rem;
}

/* Costs section */
.costs-list {
    margin-bottom: var(--spacing-sm);
    max-height: 200px;
    overflow-y: auto;
}

.cost-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xs);
    background: var(--color-lighter);
    border-radius: 6px;
    margin-bottom: var(--spacing-xs);
}

.cost-item-info {
    flex: 1;
}

.cost-item-description {
    font-weight: 600;
    color: var(--color-secondary);
}

.cost-item-amount {
    color: var(--color-success);
    font-weight: 600;
    margin-left: var(--spacing-sm);
}

.cost-input-group {
    display: grid;
    grid-template-columns: 2fr 1fr auto;
    gap: var(--spacing-xs);
    align-items: center;
}

.cost-input-group input {
    width: 100%;
}

.btn-remove-cost {
    background: none;
    border: none;
    color: var(--color-accent);
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: var(--transition);
    font-size: 1rem;
}

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

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(58, 35, 42, 0.1);
}

textarea {
    resize: vertical;
}

.modal-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
    padding-top: var(--spacing-md);
    border-top: 2px solid var(--color-light);
    margin-top: var(--spacing-md);
}

/* Footer */
.main-footer {
    background: var(--color-secondary);
    color: var(--color-lighter);
    text-align: center;
    padding: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

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

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .main-header h1 {
        font-size: 2rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .calendar-grid {
        gap: 4px;
    }
    
    .calendar-day {
        font-size: 0.9rem;
    }
    
    .ideas-container {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .trips-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-md: 1rem;
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
    }
    
    .main-header h1 {
        font-size: 1.5rem;
    }
    
    .calendar-day-header {
        font-size: 0.75rem;
    }
    
    .month-display {
        font-size: 1.2rem;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for keyboard navigation */
a:focus,
button:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .calendar-day,
    .trip-card,
    .idea-item {
        border: 2px solid var(--color-secondary);
    }
}