/* ==========================================================================
   SAILING SCHEDULE SYSTEM - STYLING
   ========================================================================== */

:root {
    /* Theme Colors (Modern Dark Tech Slate) */
    --bg-app: #0b0f19;
    --bg-content: #0f172a;
    --bg-card: #1e293b;
    --bg-input: #334155;
    --border-color: #475569;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    /* Accents */
    --color-primary: #3b82f6;      /* Vibrant Blue */
    --color-primary-hover: #2563eb;
    --color-success: #10b981;      /* Green */
    --color-success-hover: #059669;
    --color-warning: #f59e0b;      /* Yellow/Orange */
    --color-danger: #ef4444;       /* Red */
    
    /* Box Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    
    /* Borders */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-app);
    color: var(--text-primary);
    min-height: 100vh;
    padding: 24px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
}

/* Page Layout */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px 0;
}

/* Header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.header-title h1 {
    font-size: 2rem;
    background: linear-gradient(135deg, #3b82f6, #60a5fa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header-title p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* Dashboard Actions */
.dashboard-actions {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

/* Card Panel */
.panel {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-lg);
    margin-bottom: 30px;
    overflow: hidden;
}

.panel-title {
    font-size: 1.25rem;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(71, 85, 105, 0.5);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Spreadsheet Sailing Grid */
.schedule-table-wrapper {
    overflow-x: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background-color: var(--bg-content);
    box-shadow: var(--shadow-sm);
    margin-bottom: 10px;
}

.schedule-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    text-align: center;
    white-space: nowrap;
}

.schedule-table th, .schedule-table td {
    padding: 12px 14px;
    border: 1px solid var(--border-color);
}

/* Header Columns */
.schedule-table th {
    background-color: rgba(0, 0, 0, 0.3);
    font-weight: 700;
    color: var(--text-primary);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
}

.schedule-table .voy-header {
    background-color: rgba(59, 130, 246, 0.15);
    color: var(--color-primary);
}

.schedule-table .port-header {
    background-color: rgba(30, 41, 59, 0.8);
}

/* Body Rows */
.schedule-table tbody tr {
    transition: background-color 0.2s ease;
}

.schedule-table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

.schedule-table .vessel-cell {
    font-weight: 700;
    text-align: left;
    background-color: rgba(0, 0, 0, 0.1);
}

.schedule-table .voy-cell {
    font-weight: 700;
    color: var(--color-primary);
    background-color: rgba(59, 130, 246, 0.05);
}

/* Port Cells */
.port-cell {
    cursor: pointer;
    min-width: 130px;
    transition: all 0.2s ease;
    vertical-align: middle;
}

.port-cell:hover {
    background-color: rgba(59, 130, 246, 0.1) !important;
    box-shadow: inset 0 0 0 1px var(--color-primary);
}

/* Port Data Blocks */
.date-block {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 0.8rem;
}

.date-row {
    display: flex;
    justify-content: space-between;
    gap: 8px;
}

.date-label {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.7rem;
}

.date-val {
    font-weight: 600;
    color: var(--text-secondary);
}

/* Actual Time Highlight State */
.actual-highlight {
    background-color: rgba(16, 185, 129, 0.15);
    color: #34d399;
    border-radius: var(--radius-sm);
    padding: 1px 4px;
    font-weight: 700;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: inherit;
    font-weight: 600;
    font-size: 0.875rem;
    padding: 10px 16px;
    border-radius: var(--radius-md);
    cursor: pointer;
    border: none;
    outline: none;
    transition: all 0.2s ease;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn:active {
    transform: translateY(0);
}

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

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-outline:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

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

.btn-danger:hover {
    background-color: #dc2626;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.btn-sm {
    padding: 8px 12px;
    font-size: 0.8rem;
}

/* Popover Modal Dialog */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(11, 15, 25, 0.7);
    backdrop-filter: blur(4px);
    z-index: 100;
    align-items: center;
    justify-content: center;
}

.modal-overlay.active {
    display: flex;
}

.modal-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 450px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    animation: modalSlide 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

#create-modal .modal-card {
    max-width: 550px;
}

/* Compact inputs for route template editor */
#route-ports-list input, #route-ports-list select {
    padding: 6px 8px;
    height: 28px;
    font-size: 0.75rem;
    border-radius: var(--radius-sm);
}

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

.modal-header {
    background-color: rgba(0, 0, 0, 0.15);
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 1.1rem;
    color: var(--text-primary);
}

.modal-close {
    background: transparent;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
}

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

.modal-body {
    padding: 20px;
}

.modal-footer {
    background-color: rgba(0, 0, 0, 0.15);
    padding: 14px 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* Form Styles */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
}

.form-group label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

input, select {
    font-family: inherit;
    font-size: 0.9rem;
    color: var(--text-primary);
    background-color: var(--bg-content);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 10px 12px;
    outline: none;
    transition: all 0.2s ease;
}

input:focus, select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

/* Alerts */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #34d399;
}

.alert-error {
    background-color: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #f87171;
}

/* Empty Schedule Info */
.no-schedule {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-muted);
}

.no-schedule h3 {
    margin-bottom: 8px;
    color: var(--text-secondary);
}

/* Helpful Legend Info */
.legend-container {
    display: flex;
    gap: 20px;
    margin-top: 15px;
    font-size: 0.75rem;
    color: var(--text-secondary);
    justify-content: flex-end;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.legend-dot.green {
    background-color: rgba(16, 185, 129, 0.2);
    border: 1px solid rgba(16, 185, 129, 0.5);
}
.legend-dot.blue {
    background-color: rgba(59, 130, 246, 0.15);
    border: 1px solid rgba(59, 130, 246, 0.4);
}