/**
 * Where Is Ms Shanley? - Status Display System
 * Main stylesheet with responsive design and e-ink optimization
 * 
 * Design principles:
 * - Mobile-first responsive approach
 * - High contrast for e-ink readability
 * - Touch-friendly targets (minimum 44x44px)
 * - Pastel color theme
 * - No gradients, shadows, or animations for e-ink
 */

/* ============== CSS Variables ============== */
:root {
    /* Colors */
    --color-primary: #4a90d9;
    --color-primary-hover: #3a7bc8;
    --color-danger: #dc3545;
    --color-danger-hover: #c82333;
    --color-success: #28a745;
    --color-secondary: #6c757d;
    
    /* Text colors */
    --text-primary: #1a1a2e;
    --text-secondary: #555555;
    --text-muted: #888888;
    
    /* Background colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;
    
    /* Border colors */
    --border-color: #dee2e6;
    --border-focus: #4a90d9;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    
    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Touch target minimum size */
    --touch-target: 44px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
}

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

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    min-height: 100vh;
}

/* ============== Typography ============== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--color-primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* ============== Buttons ============== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    min-height: var(--touch-target);
    min-width: var(--touch-target);
    text-decoration: none;
}

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(74, 144, 217, 0.3);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background-color: var(--color-primary-hover);
}

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

.btn-secondary:hover:not(:disabled) {
    background-color: var(--border-color);
}

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

.btn-danger:hover:not(:disabled) {
    background-color: var(--color-danger-hover);
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    min-height: 36px;
}

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

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

input[type="text"],
input[type="password"],
input[type="email"],
input[type="number"],
select,
textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    background-color: var(--bg-primary);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="email"]:focus,
input[type="number"]:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(74, 144, 217, 0.15);
}

input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-right: var(--spacing-sm);
    cursor: pointer;
}

/* ============== Admin Page Layout ============== */
#admin-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.admin-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background-color: var(--bg-primary);
    border-bottom: 2px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.admin-header h1 {
    margin: 0;
}

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

.admin-main {
    flex: 1;
    padding: var(--spacing-lg);
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

.section-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    font-size: 0.95rem;
}

/* ============== Status Grid ============== */
.status-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.status-box {
    position: relative;
    min-height: 120px;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border: 3px solid transparent;
    background-clip: padding-box;
}

.status-box:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.status-box:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(74, 144, 217, 0.5);
}

.status-box.active {
    border-color: #1a1a2e;
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.2);
}

.status-box.active::before {
    content: "✓";
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    width: 28px;
    height: 28px;
    background: #1a1a2e;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
}

.status-box-label {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1a1a2e;
    word-wrap: break-word;
    flex: 1;
    display: flex;
    align-items: center;
}

.status-box-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
    margin-top: var(--spacing-sm);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.status-box:hover .status-box-actions,
.status-box:focus-within .status-box-actions {
    opacity: 1;
}

.status-box-action-btn {
    min-width: 36px;
    min-height: 36px;
    padding: 0.5rem;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: background-color var(--transition-fast);
}

.status-box-action-btn.edit {
    background-color: rgba(255, 255, 255, 0.8);
    color: var(--text-primary);
}

.status-box-action-btn.delete {
    background-color: rgba(220, 53, 69, 0.8);
    color: #fff;
}

.status-box-action-btn:hover {
    filter: brightness(0.9);
}

/* Drag and Drop Styles */
.status-box.draggable {
    cursor: grab;
}

.status-box.draggable:active {
    cursor: grabbing;
}

.status-box.dragging {
    opacity: 0.5;
    transform: scale(1.02);
}

.status-box.drag-over {
    border-color: var(--color-primary);
    background-color: rgba(74, 144, 217, 0.1);
}

.drag-handle {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    width: 24px;
    height: 24px;
    cursor: grab;
    opacity: 0.5;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: rgba(0, 0, 0, 0.3);
    transition: opacity var(--transition-fast);
}

.drag-handle:hover {
    opacity: 1;
}

/* Add button */
.btn-add {
    width: 100%;
    padding: var(--spacing-lg);
    border: 2px dashed var(--border-color);
    background-color: transparent;
    color: var(--text-secondary);
    font-size: 1.125rem;
}

.btn-add:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background-color: rgba(74, 144, 217, 0.05);
}

/* ============== Modal ============== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.modal[aria-hidden="true"] {
    display: none;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    position: relative;
    background-color: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

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

.modal-header h2 {
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-muted);
    padding: var(--spacing-xs);
    line-height: 1;
    min-width: var(--touch-target);
    min-height: var(--touch-target);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

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

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

.confirm-body {
    text-align: center;
    padding: var(--spacing-lg) 0;
}

.confirm-body p {
    margin-bottom: var(--spacing-sm);
    font-size: 1.125rem;
}

.confirm-warning {
    color: var(--color-danger);
    font-weight: 600;
    margin-top: var(--spacing-md) !important;
}

/* ============== Color Picker ============== */
.color-picker {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.color-palette {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--spacing-sm);
}

.color-swatch {
    aspect-ratio: 1;
    border-radius: var(--radius-md);
    cursor: pointer;
    border: 3px solid transparent;
    transition: transform var(--transition-fast), border-color var(--transition-fast);
    min-height: 40px;
}

.color-swatch:hover {
    transform: scale(1.1);
}

.color-swatch:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(74, 144, 217, 0.5);
}

.color-swatch.selected {
    border-color: #1a1a2e;
    transform: scale(1.05);
}

.color-custom {
    border-top: 1px solid var(--border-color);
    padding-top: var(--spacing-md);
}

.color-custom label {
    display: flex;
    align-items: center;
    font-weight: 500;
    cursor: pointer;
}

.custom-color-input {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    margin-top: var(--spacing-md);
    padding-left: calc(20px + var(--spacing-sm));
}

#color-picker-input {
    width: 50px;
    height: 50px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    padding: 2px;
}

#color-hex-input {
    flex: 1;
    max-width: 150px;
}

.color-preview {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.preview-box {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    border: 2px solid var(--border-color);
}

/* ============== Toast Notifications ============== */
.toast-container {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.toast {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    background-color: var(--text-primary);
    color: #fff;
    font-weight: 500;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    animation: slideIn 0.3s ease;
    max-width: 350px;
}

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

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

.toast.info {
    background-color: var(--color-primary);
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* ============== Responsive Breakpoints ============== */

/* Tablet: 768px - 1024px */
@media (min-width: 768px) {
    .status-grid {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
        gap: var(--spacing-lg);
    }
    
    .status-box-label {
        font-size: 1.5rem;
    }
    
    .color-palette {
        grid-template-columns: repeat(8, 1fr);
    }
}

/* Desktop: > 1024px */
@media (min-width: 1024px) {
    .admin-header {
        padding: var(--spacing-xl);
    }
    
    .admin-main {
        padding: var(--spacing-xl);
    }
    
    .status-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
    
    .status-box {
        min-height: 140px;
    }
    
    .status-box-label {
        font-size: 1.75rem;
    }
    
    .color-palette {
        grid-template-columns: repeat(8, 1fr);
    }
}

/* Mobile: < 768px */
@media (max-width: 767px) {
    .admin-header {
        flex-direction: column;
        text-align: center;
    }
    
    .header-actions {
        width: 100%;
        justify-content: center;
    }
    
    .status-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: var(--spacing-sm);
    }
    
    .status-box {
        min-height: 100px;
        padding: var(--spacing-md);
    }
    
    .status-box-label {
        font-size: 1rem;
    }
    
    .status-box-actions {
        opacity: 1;
    }
    
    .color-palette {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .modal-content {
        padding: var(--spacing-lg);
        margin: var(--spacing-sm);
    }
    
    .modal-actions {
        flex-direction: column;
    }
    
    .modal-actions .btn {
        width: 100%;
    }
    
    .toast-container {
        left: var(--spacing-md);
        right: var(--spacing-md);
        bottom: var(--spacing-md);
    }
    
    .toast {
        max-width: none;
    }
}

/* E-ink display: 800x480px specific optimization */
@media (width: 800px) and (height: 480px),
       (width: 480px) and (height: 800px) {
    .status-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .status-box {
        min-height: 110px;
    }
    
    .status-box-label {
        font-size: 1.125rem;
    }
    
    .admin-header h1 {
        font-size: 1.5rem;
    }
}

/* Landscape orientation on small screens */
@media (max-height: 500px) and (orientation: landscape) {
    .status-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    }
    
    .status-box {
        min-height: 80px;
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .status-box-label {
        font-size: 1rem;
    }
}

/* ============== Accessibility ============== */

/* Focus visible for keyboard navigation */
:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

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

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --border-color: #000000;
    }
    
    .status-box {
        border-width: 4px;
    }
    
    .btn {
        border-width: 3px;
    }
}

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

.text-center {
    text-align: center;
}

.hidden {
    display: none !important;
}

.char-count {
    display: block;
    text-align: right;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
}

/* ============== Loading States ============== */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 24px;
    height: 24px;
    margin: -12px 0 0 -12px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ============== Schedules List ============== */
.schedules-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.schedule-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--bg-primary);
    border-radius: var(--radius-md);
    border: 2px solid var(--border-color);
    gap: var(--spacing-md);
}

.schedule-item.active {
    border-color: var(--color-primary);
    background-color: rgba(74, 144, 217, 0.05);
}

.schedule-item-info {
    flex: 1;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.schedule-status-indicator {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    flex-shrink: 0;
}

.schedule-details {
    flex: 1;
}

.schedule-name {
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.schedule-time {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.schedule-status-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

.schedule-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

.schedule-toggle-btn {
    min-width: 40px;
    min-height: 40px;
    padding: 0.5rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    background-color: var(--bg-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: all var(--transition-fast);
}

.schedule-toggle-btn.enabled {
    background-color: var(--color-success);
    border-color: var(--color-success);
    color: #fff;
}

.schedule-toggle-btn:not(.enabled) {
    background-color: var(--bg-tertiary);
    color: var(--text-muted);
}

.schedule-edit-btn,
.schedule-delete-btn {
    min-width: 40px;
    min-height: 40px;
    padding: 0.5rem;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: all var(--transition-fast);
}

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

.schedule-edit-btn:hover {
    background-color: var(--color-primary);
    color: #fff;
}

.schedule-delete-btn {
    background-color: rgba(220, 53, 69, 0.1);
    color: var(--color-danger);
}

.schedule-delete-btn:hover {
    background-color: var(--color-danger);
    color: #fff;
}

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

/* Active badge for schedules */
.schedule-active-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    background-color: var(--color-success);
    color: #fff;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    margin-left: var(--spacing-sm);
}

/* Responsive adjustments */
@media (max-width: 767px) {
    .schedule-item {
        flex-wrap: wrap;
    }

    .schedule-item-info {
        width: 100%;
    }

    .schedule-actions {
        width: 100%;
        justify-content: flex-end;
        padding-top: var(--spacing-sm);
        border-top: 1px solid var(--border-color);
    }
}