/* =============================================================================
   Growbor - UK Edible Plants Calendar
   CSS Styles
   ============================================================================= */

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

:root {
    --color-bg: #f5f7fa;
    --color-white: #ffffff;
    --color-text: #1a1a2e;
    --color-text-muted: #6b7280;
    --color-sowing: #22c55e;
    --color-sowing-light: #dcfce7;
    --color-sowing-dark: #166534;
    --color-harvest: #f97316;
    --color-harvest-light: #ffedd5;
    --color-harvest-dark: #9a3412;
    --color-border: #e5e7eb;
    --color-shadow: rgba(0, 0, 0, 0.1);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
}

/* Container */
.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 30px;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: 0 2px 8px var(--color-shadow);
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 16px;
}

.logo {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-sowing), var(--color-harvest));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.date-display {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.current-date {
    font-size: 1.5rem;
    font-weight: 600;
}

.day-of-year {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.controls {
    display: flex;
    gap: 8px;
    align-items: center;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

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

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

.btn-secondary:hover {
    background: #d1d5db;
}

.date-picker {
    padding: 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
}

/* Main Content */
.main-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    flex: 1;
}

/* Columns */
.column {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: 0 2px 8px var(--color-shadow);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.column-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 2px solid;
}

.sowing-column .column-header {
    background: var(--color-sowing-light);
    border-color: var(--color-sowing);
}

.harvesting-column .column-header {
    background: var(--color-harvest-light);
    border-color: var(--color-harvest);
}

.column-header h2 {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.25rem;
    font-weight: 600;
}

.column-header .icon {
    font-size: 1.5rem;
}

.column-header .count {
    background: var(--color-white);
    padding: 6px 16px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 1rem;
}

.sowing-column .count {
    color: var(--color-sowing-dark);
}

.harvesting-column .count {
    color: var(--color-harvest-dark);
}

/* Plant Grid */
.plant-grid {
    padding: 20px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 16px;
    overflow-y: auto;
    flex: 1;
    max-height: calc(100vh - 280px);
}

/* Plant Card */
.plant-card {
    background: var(--color-bg);
    border-radius: var(--radius-md);
    padding: 12px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    opacity: 0;
    transform: scale(0.8) translateY(20px);
    animation: cardEnter 0.4s ease forwards;
}

.plant-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px var(--color-shadow);
}

.sowing-column .plant-card:hover {
    background: var(--color-sowing-light);
}

.harvesting-column .plant-card:hover {
    background: var(--color-harvest-light);
}

.plant-card img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
    background: var(--color-white);
}

.plant-card .plant-name {
    font-size: 0.8rem;
    font-weight: 500;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.plant-card .plant-type {
    font-size: 0.7rem;
    color: var(--color-text-muted);
    margin-top: 4px;
    text-transform: capitalize;
}

.plant-card .plant-method {
    font-size: 0.65rem;
    color: var(--color-sowing-dark);
    margin-top: 4px;
    padding: 2px 6px;
    background: var(--color-sowing-light);
    border-radius: 4px;
    display: inline-block;
}

/* Card Enter Animation */
@keyframes cardEnter {
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* Staggered animation delay */
.plant-card:nth-child(1) { animation-delay: 0.02s; }
.plant-card:nth-child(2) { animation-delay: 0.04s; }
.plant-card:nth-child(3) { animation-delay: 0.06s; }
.plant-card:nth-child(4) { animation-delay: 0.08s; }
.plant-card:nth-child(5) { animation-delay: 0.1s; }
.plant-card:nth-child(6) { animation-delay: 0.12s; }
.plant-card:nth-child(7) { animation-delay: 0.14s; }
.plant-card:nth-child(8) { animation-delay: 0.16s; }
.plant-card:nth-child(9) { animation-delay: 0.18s; }
.plant-card:nth-child(10) { animation-delay: 0.2s; }
.plant-card:nth-child(n+11) { animation-delay: 0.22s; }

/* Card Exit Animation */
.plant-card.exiting {
    animation: cardExit 0.3s ease forwards;
}

@keyframes cardExit {
    to {
        opacity: 0;
        transform: scale(0.8) translateY(-20px);
    }
}

/* Loading */
.loading {
    grid-column: 1 / -1;
    text-align: center;
    padding: 40px;
    color: var(--color-text-muted);
}

/* Empty State */
.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    color: var(--color-text-muted);
}

.empty-state .icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

/* Footer */
.footer {
    text-align: center;
    padding: 20px;
    color: var(--color-text-muted);
    font-size: 0.875rem;
    margin-top: 24px;
}

.footer .stats {
    margin-top: 8px;
    font-size: 0.75rem;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 1000;
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.9) translateY(20px);
    transition: all var(--transition-normal);
}

.modal.active .modal-content {
    transform: scale(1) translateY(0);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.modal-close:hover {
    color: var(--color-text);
}

.modal-body {
    padding: 24px;
}

.modal-body img {
    width: 100%;
    max-height: 300px;
    object-fit: contain;
    border-radius: var(--radius-md);
    background: var(--color-bg);
    margin-bottom: 16px;
}

.modal-body h3 {
    font-size: 1.5rem;
    margin-bottom: 4px;
}

.modal-body .scientific-name {
    font-style: italic;
    color: var(--color-text-muted);
    margin-bottom: 16px;
}

.modal-body .description {
    margin-bottom: 16px;
    line-height: 1.6;
}

.modal-body .windows {
    margin-top: 20px;
}

.modal-body .window-section {
    margin-bottom: 16px;
}

.modal-body .window-section h4 {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.modal-body .window-item {
    background: var(--color-bg);
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 900px) {
    .main-content {
        grid-template-columns: 1fr;
    }

    .plant-grid {
        max-height: 50vh;
    }

    .header {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 600px) {
    .container {
        padding: 12px;
    }

    .plant-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
        gap: 10px;
        padding: 12px;
    }

    .plant-card {
        padding: 8px;
    }

    .plant-card .plant-name {
        font-size: 0.75rem;
    }
}

/* =============================================================================
   Region Selector
   ============================================================================= */

.header-center {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.region-selector {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: inherit;
    font-size: 0.875rem;
}

.region-selector:hover {
    background: var(--color-border);
    border-color: var(--color-text-muted);
}

.region-icon {
    font-size: 1rem;
}

.region-name {
    font-weight: 500;
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.region-arrow {
    font-size: 0.625rem;
    color: var(--color-text-muted);
}

/* Region Modal */
.region-modal-content {
    max-width: 600px;
    max-height: 80vh;
}

.modal-header {
    padding: 24px 24px 16px;
    border-bottom: 1px solid var(--color-border);
}

.modal-header h2 {
    font-size: 1.25rem;
    margin-bottom: 4px;
}

.modal-subtitle {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.region-list {
    padding: 16px 24px 24px;
    max-height: 60vh;
    overflow-y: auto;
}

.region-country {
    margin-bottom: 20px;
}

.region-country:last-child {
    margin-bottom: 0;
}

.region-country h4 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-muted);
    margin-bottom: 10px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--color-border);
}

.region-options {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 8px;
}

.region-option {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 12px;
    background: var(--color-bg);
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: inherit;
    text-align: left;
}

.region-option:hover {
    background: var(--color-sowing-light);
    border-color: var(--color-sowing);
}

.region-option.selected {
    background: var(--color-sowing-light);
    border-color: var(--color-sowing);
}

.region-option .zone {
    font-size: 0.7rem;
    color: var(--color-text-muted);
    margin-top: 4px;
}

/* Plant Details in Modal */
.plant-details {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--color-border);
}

.plant-details p {
    margin-bottom: 8px;
    font-size: 0.875rem;
}

.plant-details strong {
    color: var(--color-text-muted);
}

/* Responsive adjustments for region selector */
@media (max-width: 900px) {
    .header-center {
        order: 3;
        width: 100%;
    }

    .region-selector {
        width: 100%;
        justify-content: center;
    }

    .region-name {
        max-width: none;
    }
}

@media (max-width: 600px) {
    .region-options {
        grid-template-columns: 1fr;
    }

    .region-modal-content {
        width: 95%;
        max-height: 90vh;
    }
}