/* ==========================================================================
   Work Leave Planner - Main Styles
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties (Design Tokens)
   -------------------------------------------------------------------------- */
:root {
    /* Colour Palette - Warm, professional, light theme */
    --color-bg-primary: #fafaf9;
    --color-bg-secondary: #ffffff;
    --color-bg-tertiary: #f5f5f4;
    
    --color-text-primary: #1c1917;
    --color-text-secondary: #57534e;
    --color-text-tertiary: #a8a29e;
    --color-text-inverse: #ffffff;
    
    --color-border-light: #e7e5e4;
    --color-border-medium: #d6d3d1;
    
    --color-accent-primary: #0d9488;      /* Teal - main actions */
    --color-accent-primary-hover: #0f766e;
    --color-accent-secondary: #f59e0b;    /* Amber - highlights */
    --color-accent-secondary-hover: #d97706;
    
    --color-weekend: #fef3c7;             /* Soft amber for weekends */
    --color-weekend-text: #92400e;
    
    --color-today-ring: #0d9488;
    --color-today-bg: #ccfbf1;
    
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    
    /* Typography */
    --font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    --font-size-xs: 0.75rem;     /* 12px */
    --font-size-sm: 0.875rem;    /* 14px */
    --font-size-base: 1rem;      /* 16px */
    --font-size-lg: 1.125rem;    /* 18px */
    --font-size-xl: 1.25rem;     /* 20px */
    --font-size-2xl: 1.5rem;     /* 24px */
    --font-size-3xl: 1.875rem;   /* 30px */
    
    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.625;
    
    /* Spacing */
    --space-1: 0.25rem;   /* 4px */
    --space-2: 0.5rem;    /* 8px */
    --space-3: 0.75rem;   /* 12px */
    --space-4: 1rem;      /* 16px */
    --space-5: 1.25rem;   /* 20px */
    --space-6: 1.5rem;    /* 24px */
    --space-8: 2rem;      /* 32px */
    --space-10: 2.5rem;   /* 40px */
    --space-12: 3rem;     /* 48px */
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-full: 9999px;
    
    /* 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), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 200ms ease;
    --transition-slow: 300ms ease;
    
    /* Layout */
    --max-width-app: 1400px;
    --header-height: 72px;
    --footer-height: 48px;
}

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

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

body {
    font-family: var(--font-family);
    font-weight: var(--font-weight-regular);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    min-height: 100vh;
}

/* --------------------------------------------------------------------------
   App Container
   -------------------------------------------------------------------------- */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    max-width: var(--max-width-app);
    margin: 0 auto;
    padding: 0 var(--space-4);
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    padding: var(--space-4) 0;
    border-bottom: 1px solid var(--color-border-light);
}

.header-brand {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.app-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    letter-spacing: -0.025em;
}

.app-tagline {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-regular);
    color: var(--color-text-tertiary);
}

.header-controls {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

/* --------------------------------------------------------------------------
   Main Content
   -------------------------------------------------------------------------- */
.app-main {
    flex: 1;
    padding: var(--space-6) 0;
}

/* --------------------------------------------------------------------------
   Controls Bar
   -------------------------------------------------------------------------- */
.controls-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-8);
    margin-bottom: var(--space-6);
    flex-wrap: wrap;
}

/* --------------------------------------------------------------------------
   Year Navigation
   -------------------------------------------------------------------------- */
.year-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
}

.year-display {
    min-width: 120px;
    text-align: center;
}

.year-label {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

/* --------------------------------------------------------------------------
   Region Selector
   -------------------------------------------------------------------------- */
.region-selector {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.region-label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
}

.region-select {
    font-family: inherit;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border-medium);
    border-radius: var(--radius-md);
    padding: var(--space-2) var(--space-3);
    padding-right: var(--space-8);
    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 24 24' fill='none' stroke='%2357534e' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-2) center;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.region-select:hover {
    border-color: var(--color-accent-primary);
}

.region-select:focus {
    outline: none;
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-family: inherit;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    line-height: 1;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn:focus-visible {
    outline: 2px solid var(--color-accent-primary);
    outline-offset: 2px;
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    background-color: transparent;
    color: var(--color-text-secondary);
    border-radius: var(--radius-lg);
}

.btn-icon:hover {
    background-color: var(--color-bg-tertiary);
    color: var(--color-text-primary);
}

.btn-nav {
    width: 36px;
    height: 36px;
    padding: 0;
    background-color: var(--color-bg-secondary);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-full);
}

.btn-nav:hover {
    background-color: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    border-color: var(--color-border-medium);
}

.btn-nav:active {
    transform: scale(0.95);
}

.btn-text {
    padding: var(--space-2) var(--space-3);
    background-color: transparent;
    color: var(--color-text-tertiary);
    font-size: var(--font-size-xs);
}

.btn-text:hover {
    color: var(--color-text-secondary);
    background-color: var(--color-bg-tertiary);
}

/* --------------------------------------------------------------------------
   Leave Summary Bar
   -------------------------------------------------------------------------- */
.leave-summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
    padding: var(--space-4) var(--space-6);
    margin-bottom: var(--space-4);
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
}

.leave-allowance {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.leave-allowance-label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
}

.leave-allowance-input {
    width: 60px;
    padding: var(--space-2);
    font-family: inherit;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    text-align: center;
    background-color: var(--color-bg-tertiary);
    border: 1px solid var(--color-border-medium);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.leave-allowance-input:hover {
    border-color: var(--color-accent-primary);
}

.leave-allowance-input:focus {
    outline: none;
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
}

/* Hide spin buttons */
.leave-allowance-input::-webkit-outer-spin-button,
.leave-allowance-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
.leave-allowance-input[type=number] {
    -moz-appearance: textfield;
}

.leave-allowance-unit {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

/* Leave Counter */
.leave-counter {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.leave-counter-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-1);
}

.leave-counter-value {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    line-height: 1;
}

.leave-counter-item--booked .leave-counter-value {
    color: #059669;
}

.leave-counter-item--remaining .leave-counter-value {
    color: var(--color-text-primary);
}

.leave-counter-item--remaining.leave-counter-item--warning .leave-counter-value {
    color: var(--color-warning);
}

.leave-counter-item--remaining.leave-counter-item--danger .leave-counter-value {
    color: var(--color-error);
}

.leave-counter-label {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.leave-counter-divider {
    width: 1px;
    height: 40px;
    background-color: var(--color-border-light);
}

/* Leave Progress Bar */
.leave-progress {
    flex: 1;
    max-width: 200px;
    height: 8px;
    background-color: var(--color-bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.leave-progress-bar {
    height: 100%;
    background-color: #059669;
    border-radius: var(--radius-full);
    transition: width var(--transition-normal), background-color var(--transition-normal);
}

.leave-progress--warning .leave-progress-bar {
    background-color: var(--color-warning);
}

.leave-progress--danger .leave-progress-bar {
    background-color: var(--color-error);
}

.leave-progress--over .leave-progress-bar {
    background-color: var(--color-error);
    animation: pulse-danger 1s ease-in-out infinite;
}

@keyframes pulse-danger {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* --------------------------------------------------------------------------
   Mode Toggle
   -------------------------------------------------------------------------- */
.mode-toggle-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.mode-toggle {
    display: inline-flex;
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-1);
}

.mode-toggle-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    font-family: inherit;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-tertiary);
    background-color: transparent;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.mode-toggle-btn:hover:not(.mode-toggle-btn--active) {
    color: var(--color-text-secondary);
    background-color: var(--color-bg-tertiary);
}

.mode-toggle-btn--active {
    color: var(--color-text-inverse);
    background-color: var(--color-accent-primary);
    box-shadow: var(--shadow-sm);
}

.mode-toggle-btn svg {
    flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   Mode Instructions
   -------------------------------------------------------------------------- */
.mode-instructions {
    text-align: center;
    margin-bottom: var(--space-4);
}

.instruction-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    margin: 0;
}

/* --------------------------------------------------------------------------
   Calendar Legend
   -------------------------------------------------------------------------- */
.calendar-legend {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-6);
    margin-bottom: var(--space-6);
    padding: var(--space-3) var(--space-4);
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.legend-swatch {
    width: 16px;
    height: 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border-light);
}

.legend-swatch--weekend {
    background-color: var(--color-weekend);
}

.legend-swatch--bank-holiday {
    background-color: #fee2e2;
    border: 2px solid #ef4444;
}

.legend-swatch--school-holiday {
    background-color: #dbeafe;
    border: 2px solid #3b82f6;
}

.legend-swatch--leave {
    background-color: #d1fae5;
    border: 2px solid #059669;
}

.legend-swatch--blocked {
    background-color: #fed7aa;
    border: 2px solid #ea580c;
}

.legend-swatch--today {
    background-color: var(--color-today-bg);
    border: 2px solid var(--color-today-ring);
}

.legend-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.app-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--footer-height);
    padding: var(--space-3) 0;
    border-top: 1px solid var(--color-border-light);
}

.footer-text {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
}

.footer-link {
    color: var(--color-accent-primary);
    text-decoration: none;
}

.footer-link:hover {
    text-decoration: underline;
}

.footer-version {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
}

/* --------------------------------------------------------------------------
   Utility Classes
   -------------------------------------------------------------------------- */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Skip link for keyboard navigation */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    padding: var(--space-3) var(--space-5);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-inverse);
    background-color: var(--color-accent-primary);
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: top 0.2s ease;
}

.skip-link:focus {
    top: var(--space-4);
    outline: 2px solid var(--color-accent-secondary);
    outline-offset: 2px;
}

/* Enhanced focus states for accessibility */
:focus-visible {
    outline: 2px solid var(--color-accent-primary);
    outline-offset: 2px;
}

button:focus-visible,
select:focus-visible,
input:focus-visible {
    outline: 2px solid var(--color-accent-primary);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(13, 148, 136, 0.15);
}

/* --------------------------------------------------------------------------
   Responsive Adjustments
   -------------------------------------------------------------------------- */

/* Tablet - 768px and below */
@media (max-width: 768px) {
    .app-container {
        padding: 0 var(--space-3);
    }
    
    .app-title {
        font-size: var(--font-size-xl);
    }
    
    .app-tagline {
        display: none;
    }
    
    .controls-bar {
        flex-direction: column;
        gap: var(--space-4);
    }
    
    .year-nav {
        width: 100%;
        justify-content: center;
    }
    
    .region-selector {
        width: 100%;
        justify-content: center;
    }
    
    .calendar-legend {
        flex-wrap: wrap;
        gap: var(--space-3);
        padding: var(--space-3);
    }
    
    .legend-item {
        gap: var(--space-1);
    }
    
    .legend-label {
        font-size: var(--font-size-xs);
    }
    
    .leave-summary {
        flex-direction: column;
        gap: var(--space-4);
        padding: var(--space-4);
    }
    
    .leave-progress {
        max-width: none;
        width: 100%;
    }
    
    .mode-toggle-container {
        flex-direction: column;
        gap: var(--space-3);
    }
    
    .mode-toggle {
        width: 100%;
        justify-content: stretch;
    }
    
    .mode-toggle-btn {
        flex: 1;
        justify-content: center;
        padding: var(--space-3);
    }
    
    .mode-toggle-btn span {
        font-size: var(--font-size-xs);
    }
    
    .export-bar {
        flex-direction: column;
        gap: var(--space-3);
    }
    
    .btn-secondary {
        width: 100%;
        justify-content: center;
    }
}

/* Mobile - 480px and below */
@media (max-width: 480px) {
    :root {
        --space-base: 6px;
    }
    
    .app-header {
        height: auto;
        padding: var(--space-3) 0;
    }
    
    .app-title {
        font-size: var(--font-size-lg);
    }
    
    .year-nav {
        margin-bottom: var(--space-4);
    }
    
    .year-label {
        font-size: var(--font-size-xl);
    }
    
    .leave-counter {
        gap: var(--space-4);
    }
    
    .leave-counter-value {
        font-size: var(--font-size-xl);
    }
    
    .leave-allowance {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--space-2);
    }
    
    .calendar-legend {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-2);
    }
    
    .legend-item {
        justify-content: flex-start;
    }
    
    /* Stack mode toggle vertically on very small screens */
    .mode-toggle {
        flex-direction: column;
    }
    
    .mode-toggle-btn {
        width: 100%;
    }
    
    /* Settings modal adjustments */
    .modal {
        width: 95%;
        max-height: 80vh;
    }
    
    .setting-actions {
        flex-direction: column;
    }
    
    .setting-actions .btn-secondary {
        width: 100%;
    }
    
    /* Keyboard shortcuts on mobile */
    .shortcuts-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
}

/* --------------------------------------------------------------------------
   Keyboard Shortcuts
   -------------------------------------------------------------------------- */
.shortcuts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-6);
}

.shortcut-section {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.shortcut-section-title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.shortcut-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) 0;
}

.shortcut-desc {
    flex: 1;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

kbd.kbd {
    display: inline-block;
    padding: var(--space-1) var(--space-2);
    font-family: 'Courier New', monospace;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    background-color: var(--color-bg-tertiary);
    border: 1px solid var(--color-border-medium);
    border-radius: var(--radius-sm);
    box-shadow: 0 2px 0 rgba(0, 0, 0, 0.05);
    white-space: nowrap;
}

/* --------------------------------------------------------------------------
   Export Bar
   -------------------------------------------------------------------------- */
.export-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    font-family: inherit;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border-medium);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-secondary:hover {
    background-color: var(--color-bg-tertiary);
    border-color: var(--color-accent-primary);
    color: var(--color-accent-primary);
}

.btn-secondary:focus-visible {
    outline: 2px solid var(--color-accent-primary);
    outline-offset: 2px;
}

.btn-secondary svg {
    flex-shrink: 0;
}

.btn-danger {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    font-family: inherit;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-error);
    background-color: transparent;
    border: 1px solid var(--color-error);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

/* --------------------------------------------------------------------------
   Modal Styles
   -------------------------------------------------------------------------- */
.modal-overlay {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 1000;
    opacity: 1;
    transition: opacity var(--transition-normal);
}

.modal-overlay[hidden] {
    display: none;
}

.modal {
    width: 90%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    animation: modal-enter 0.2s ease-out;
}

@keyframes modal-enter {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(-10px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--color-border-light);
}

.modal-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin: 0;
}

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

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

.modal-body {
    padding: var(--space-6);
}

/* Settings specific styles */
.setting-group {
    margin-bottom: var(--space-6);
}

.setting-group:last-child {
    margin-bottom: 0;
}

.setting-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}

.setting-select {
    width: 100%;
    padding: var(--space-3);
    font-family: inherit;
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    background-color: var(--color-bg-tertiary);
    border: 1px solid var(--color-border-medium);
    border-radius: var(--radius-md);
    cursor: pointer;
}

.setting-select:focus {
    outline: none;
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
}

.setting-hint {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    margin-top: var(--space-2);
    margin-bottom: 0;
}

.setting-group--actions {
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border-light);
}

.setting-group-title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin: 0 0 var(--space-4) 0;
}

.setting-actions {
    display: flex;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

/* --------------------------------------------------------------------------
   Print Container (hidden on screen)
   -------------------------------------------------------------------------- */
.print-container {
    display: none;
}

/* --------------------------------------------------------------------------
   Partner Sharing
   -------------------------------------------------------------------------- */

/* Partner banner */
.partner-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-3) var(--space-4);
    background: linear-gradient(135deg, #e0e7ff 0%, #c7d2fe 100%);
    border: 1px solid #a5b4fc;
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-4);
}

.partner-banner-content {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: #4338ca;
}

.partner-banner-content svg {
    flex-shrink: 0;
}

.partner-banner-text {
    font-size: var(--font-size-sm);
}

.partner-banner-close {
    color: #4338ca;
    white-space: nowrap;
}

.partner-banner-close:hover {
    color: #3730a3;
    background-color: rgba(99, 102, 241, 0.1);
}

/* Partner legend swatch */
.legend-swatch--partner {
    background: linear-gradient(135deg, #c4b5fd 0%, #a78bfa 100%);
    border: 1px solid #8b5cf6;
}

/* Share modal styles */
.modal--share .modal-body {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.share-intro {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

.share-stats-list,
.import-stats-list {
    list-style: none;
    padding: 0;
    margin: 0.75rem 0 1rem 0;
    font-size: var(--font-size-sm);
}

.share-stats-list li,
.import-stats-list li {
    padding: 0.4rem 0;
    color: var(--color-text-secondary);
}

.share-stats-list strong,
.import-stats-list strong {
    color: var(--color-primary);
    font-weight: 600;
}

.share-info {
    display: flex;
    gap: var(--space-3);
    padding: var(--space-4);
    background-color: #e0f2fe;
    border: 1px solid #38bdf8;
    border-radius: var(--radius-lg);
}

.share-info-icon {
    flex-shrink: 0;
    color: #0284c7;
}

.share-info-content {
    font-size: var(--font-size-sm);
    color: #075985;
    line-height: 1.5;
}

/* Import modal */
.import-intro {
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    text-align: center;
}

.import-summary {
    text-align: center;
    padding: var(--space-4);
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-lg);
}

.import-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    align-items: center;
}

.import-hint {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    text-align: center;
    margin-top: var(--space-2);
}

.share-url-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.share-url-row {
    display: flex;
    gap: var(--space-2);
}

.share-url-input {
    flex: 1;
    padding: var(--space-3);
    font-family: 'Courier New', monospace;
    font-size: var(--font-size-xs);
    background-color: var(--color-bg-tertiary);
    border: 1px solid var(--color-border-medium);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
}

.share-url-copied {
    font-size: var(--font-size-sm);
    color: var(--color-success);
    font-weight: var(--font-weight-medium);
}

.share-actions {
    display: flex;
    justify-content: center;
}

.share-stats {
    text-align: center;
    padding: var(--space-3);
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-md);
}

.share-stats-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* Primary button */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    font-family: inherit;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: white;
    background-color: var(--color-accent-primary);
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.btn-primary:focus-visible {
    outline: 2px solid var(--color-accent-primary);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(13, 148, 136, 0.15);
}

.btn-lg {
    padding: var(--space-4) var(--space-6);
    font-size: var(--font-size-base);
}

/* Setting input */
.setting-input {
    width: 100%;
    padding: var(--space-3);
    font-family: inherit;
    font-size: var(--font-size-sm);
    background-color: var(--color-bg-primary);
    border: 1px solid var(--color-border-medium);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    transition: border-color var(--transition-fast);
}

.setting-input:focus {
    outline: none;
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.1);
}

/* Color variable for success */
:root {
    --color-success: #059669;
    --color-coffee: #ff813f;
    --color-coffee-hover: #e66f2c;
}

/* --------------------------------------------------------------------------
   Buy Me a Coffee Button
   -------------------------------------------------------------------------- */
.btn-coffee {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: white;
    background: linear-gradient(135deg, var(--color-coffee) 0%, #ffdd00 100%);
    border: none;
    border-radius: var(--radius-lg);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-coffee:hover {
    background: linear-gradient(135deg, var(--color-coffee-hover) 0%, #e6c700 100%);
    transform: scale(1.02);
}

.btn-coffee svg {
    flex-shrink: 0;
}

/* Calendar export button with logos */
.btn-calendar-export {
    gap: var(--space-2);
}

.calendar-logos {
    display: flex;
    gap: 4px;
}

/* --------------------------------------------------------------------------
   Export Help Modal
   -------------------------------------------------------------------------- */
/* Export Options Modal */
.modal--export-options {
    max-width: 380px;
}

.export-options-intro {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-3);
}

.export-options-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.export-option {
    display: grid;
    grid-template-columns: 20px 1fr auto;
    grid-template-rows: auto auto;
    gap: 4px var(--space-3);
    padding: var(--space-3);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: background-color 0.15s ease;
}

.export-option:hover {
    background: var(--color-bg-tertiary);
}

.export-option input[type="checkbox"] {
    grid-row: 1;
    grid-column: 1;
    width: 18px;
    height: 18px;
    margin: 0;
    accent-color: var(--color-primary);
}

.export-option-label {
    grid-row: 1;
    grid-column: 2;
    display: flex;
    align-items: center;
}

.export-option-label strong {
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
}

.export-option-count {
    grid-row: 1;
    grid-column: 3;
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    font-weight: 500;
}

.export-option-desc {
    grid-row: 2;
    grid-column: 2 / -1;
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    line-height: 1.3;
}

.modal--export-options .modal-footer {
    display: flex;
    gap: var(--space-3);
    justify-content: flex-end;
    padding: var(--space-4) 0 var(--space-2) 0;
    border-top: 1px solid var(--color-border);
    margin-top: var(--space-4);
}

.modal--export-options .modal-footer .btn svg {
    margin-right: var(--space-2);
}

/* Export Help Modal */
.modal--export-help .modal-body {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.export-help-intro {
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    text-align: center;
}

.export-help-guides {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-4);
}

.export-guide {
    padding: var(--space-4);
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
}

.export-guide-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}

.export-guide-header h3 {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    margin: 0;
}

.export-guide-steps {
    margin: 0;
    padding-left: var(--space-5);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.export-guide-steps li {
    margin-bottom: var(--space-2);
}

.export-guide-steps a {
    color: var(--color-accent-primary);
    text-decoration: none;
}

.export-guide-steps a:hover {
    text-decoration: underline;
}

.export-help-support {
    text-align: center;
    padding: var(--space-4);
    background: linear-gradient(135deg, #fff7ed 0%, #fef3c7 100%);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
}

.export-help-support p {
    margin: 0;
}

.support-link {
    color: var(--color-coffee);
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
}

.support-link:hover {
    text-decoration: underline;
}

/* Share modal support */
.share-support {
    text-align: center;
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border-light);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.share-support p {
    margin: 0;
}

/* --------------------------------------------------------------------------
   Suggest School Holidays Modal
   -------------------------------------------------------------------------- */
.modal--suggest {
    max-width: 500px;
}

.suggest-intro {
    text-align: center;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-5);
}

.suggest-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
    margin-bottom: var(--space-5);
}

@media (max-width: 480px) {
    .suggest-form {
        grid-template-columns: 1fr;
    }
}

.suggest-warning {
    display: flex;
    gap: var(--space-3);
    padding: var(--space-4);
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-5);
}

.suggest-warning-icon {
    flex-shrink: 0;
    color: #92400e;
}

.suggest-warning-text {
    font-size: var(--font-size-sm);
    color: #78350f;
}

.suggest-warning-text a {
    color: #92400e;
    font-weight: var(--font-weight-semibold);
}

.suggest-preview {
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    margin-bottom: var(--space-5);
}

.suggest-preview-title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-tertiary);
    margin: 0 0 var(--space-3) 0;
}

.suggest-preview-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.suggest-preview-list li {
    display: flex;
    justify-content: space-between;
    padding: var(--space-2) 0;
    border-bottom: 1px solid var(--color-border-light);
    font-size: var(--font-size-sm);
}

.suggest-preview-list li:last-child {
    border-bottom: none;
}

.suggest-preview-list .holiday-name {
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
}

.suggest-preview-list .holiday-dates {
    color: var(--color-text-secondary);
}

.suggest-preview-total {
    margin: var(--space-3) 0 0;
    font-size: var(--font-size-sm);
    color: var(--color-accent-primary);
    font-weight: var(--font-weight-semibold);
    text-align: center;
}

.suggest-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-3);
}

/* Mode actions container */
.mode-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
    justify-content: center;
}

.btn-sm {
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-sm);
}

/* --------------------------------------------------------------------------
   Support Toast
   -------------------------------------------------------------------------- */
.support-toast {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    z-index: 1100;
    animation: slideInUp 0.3s ease-out;
}

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

/* General Toast Notification */
.toast {
    position: fixed;
    top: var(--space-6);
    left: 50%;
    transform: translateX(-50%);
    z-index: 1200;
    animation: toastSlideIn 0.3s ease-out;
}

@keyframes toastSlideIn {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

.toast-content {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    background: var(--color-text-primary);
    color: white;
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    font-size: var(--font-size-sm);
    max-width: 400px;
}

.toast--success .toast-content {
    background: var(--color-success);
}

.toast--warning .toast-content {
    background: var(--color-warning);
    color: var(--color-text-primary);
}

.toast--error .toast-content {
    background: var(--color-danger);
}

.toast-icon {
    font-size: 1.25rem;
}

.toast-message {
    line-height: 1.4;
}

/* Confirmation Modal */
.modal--confirm {
    max-width: 400px;
}

.modal--confirm .modal-body {
    text-align: center;
    padding: var(--space-6);
}

.modal--confirm .modal-body p {
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    line-height: 1.6;
    margin: 0;
}

.modal--confirm .modal-footer {
    display: flex;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-6) var(--space-6);
    justify-content: center;
}

.modal--confirm .modal-footer .btn {
    min-width: 100px;
}

.support-toast-content {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4) var(--space-5);
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15), 0 4px 12px rgba(0, 0, 0, 0.1);
    max-width: 420px;
}

.support-toast-emoji {
    font-size: 2rem;
}

.support-toast-text {
    flex: 1;
}

.support-toast-text strong {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
}

.support-toast-text p {
    margin: var(--space-1) 0 0;
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
}

.btn-coffee-toast {
    display: inline-flex;
    align-items: center;
    padding: var(--space-2) var(--space-4);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: white;
    background: linear-gradient(135deg, var(--color-coffee) 0%, #ffdd00 100%);
    border: none;
    border-radius: var(--radius-md);
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-coffee-toast:hover {
    background: linear-gradient(135deg, var(--color-coffee-hover) 0%, #e6c700 100%);
}

.support-toast-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    padding: 0;
    background: transparent;
    border: none;
    color: var(--color-text-tertiary);
    cursor: pointer;
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.support-toast-close:hover {
    background-color: var(--color-bg-tertiary);
    color: var(--color-text-secondary);
}

/* Mobile toast */
@media (max-width: 480px) {
    .support-toast {
        bottom: var(--space-4);
        right: var(--space-4);
        left: var(--space-4);
    }
    
    .support-toast-content {
        flex-wrap: wrap;
        max-width: none;
    }
    
    .support-toast-text {
        flex-basis: calc(100% - 80px);
    }
    
    .btn-coffee-toast {
        flex: 1;
    }
}

/* --------------------------------------------------------------------------
   Print Styles
   -------------------------------------------------------------------------- */
@media print {
    /* Hide non-printable elements */
    .app-header,
    .controls-bar,
    .leave-summary,
    .mode-toggle-container,
    .mode-instructions,
    .export-bar,
    .app-footer,
    .modal-overlay {
        display: none !important;
    }
    
    /* Reset page */
    body {
        background: white;
        font-size: 11pt;
        line-height: 1.4;
    }
    
    .app-container {
        max-width: none;
        padding: 0;
    }
    
    .app-main {
        padding: 0;
    }
    
    /* Print-specific header */
    .print-container {
        display: block !important;
    }
    
    .print-header {
        text-align: center;
        margin-bottom: 20pt;
        padding-bottom: 10pt;
        border-bottom: 2pt solid #333;
    }
    
    .print-title {
        font-size: 18pt;
        font-weight: bold;
        margin: 0 0 5pt 0;
    }
    
    .print-subtitle {
        font-size: 11pt;
        color: #666;
        margin: 0;
    }
    
    /* Summary table */
    .print-summary {
        margin-bottom: 20pt;
    }
    
    .print-summary-table {
        width: 100%;
        border-collapse: collapse;
        margin-bottom: 15pt;
    }
    
    .print-summary-table th,
    .print-summary-table td {
        padding: 8pt 12pt;
        text-align: left;
        border: 1pt solid #ccc;
    }
    
    .print-summary-table th {
        background-color: #f5f5f5;
        font-weight: 600;
    }
    
    .print-summary-table tr:nth-child(even) td {
        background-color: #fafafa;
    }
    
    /* Leave list */
    .print-leave-list {
        margin-bottom: 20pt;
    }
    
    .print-section-title {
        font-size: 14pt;
        font-weight: 600;
        margin: 0 0 10pt 0;
        padding-bottom: 5pt;
        border-bottom: 1pt solid #ddd;
    }
    
    /* Leave periods table */
    .print-leave-table {
        width: 100%;
        border-collapse: collapse;
        margin-bottom: 10pt;
    }
    
    .print-leave-table th,
    .print-leave-table td {
        padding: 6pt 10pt;
        text-align: left;
        border: 1pt solid #ccc;
    }
    
    .print-leave-table th {
        background-color: #d1fae5;
        font-weight: 600;
        font-size: 10pt;
    }
    
    .print-leave-table td {
        font-size: 10pt;
    }
    
    .print-leave-table tr:nth-child(even) td {
        background-color: #f0fdf4;
    }
    
    .print-leave-table td:last-child {
        text-align: center;
        font-weight: 500;
    }
    
    .print-dates {
        column-count: 3;
        column-gap: 20pt;
    }
    
    .print-date-item {
        padding: 3pt 0;
        font-size: 10pt;
        break-inside: avoid;
    }
    
    /* Mini calendar for print */
    .print-calendar {
        page-break-before: always;
    }
    
    .calendar-container {
        grid-template-columns: repeat(4, 1fr) !important;
        gap: 10pt !important;
    }
    
    .month-card {
        padding: 8pt !important;
        box-shadow: none !important;
        border: 1pt solid #ddd !important;
        break-inside: avoid;
    }
    
    .month-header {
        margin-bottom: 5pt !important;
        padding-bottom: 5pt !important;
    }
    
    .month-name {
        font-size: 10pt !important;
    }
    
    .day-cell {
        font-size: 8pt !important;
    }
    
    /* Legend for print */
    .calendar-legend {
        display: flex !important;
        justify-content: center;
        gap: 15pt;
        margin-bottom: 15pt;
        padding: 8pt;
        border: 1pt solid #ddd;
    }
    
    .legend-swatch {
        width: 12px;
        height: 12px;
        print-color-adjust: exact;
        -webkit-print-color-adjust: exact;
    }
    
    .legend-label {
        font-size: 9pt;
    }
    
    /* Ensure colors print */
    .day-cell--weekend {
        background-color: #fef3c7 !important;
        print-color-adjust: exact;
        -webkit-print-color-adjust: exact;
    }
    
    .day-cell--bank-holiday {
        background-color: #fee2e2 !important;
        print-color-adjust: exact;
        -webkit-print-color-adjust: exact;
    }
    
    .day-cell--school-holiday {
        background-color: #dbeafe !important;
        print-color-adjust: exact;
        -webkit-print-color-adjust: exact;
    }
    
    .day-cell--leave {
        background-color: #d1fae5 !important;
        print-color-adjust: exact;
        -webkit-print-color-adjust: exact;
    }
}