/* ============================================
   WCSH SBFR SYSTEM - SHARED STYLES
   Mobile-First Design
   ============================================ */

:root {
    /* Color Palette */
    --primary-blue: #1976d2;
    --primary-blue-light: #2196f3;
    --primary-orange: #ff6f00;
    --primary-orange-light: #ff8f00;
    --primary-green: #388e3c;
    --primary-green-light: #4caf50;
    --primary-purple: #7b1fa2;
    --primary-purple-light: #9c27b0;
    --primary-red: #d32f2f;
    --primary-red-light: #f44336;
    
    /* Neutral Colors */
    --white: #ffffff;
    --gray-50: #f9f9f9;
    --gray-100: #f5f5f5;
    --gray-200: #e0e0e0;
    --gray-300: #bdbdbd;
    --gray-400: #9e9e9e;
    --gray-500: #757575;
    --gray-600: #616161;
    --gray-700: #424242;
    --gray-800: #212121;
    
    /* Semantic Colors */
    --success: #4caf50;
    --warning: #ff9800;
    --error: #f44336;
    --info: #2196f3;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 15px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.15);
    --shadow-xl: 0 12px 40px rgba(0,0,0,0.2);
    
    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 20px;
    --spacing-lg: 30px;
    --spacing-xl: 40px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */

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

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #e3f2fd 0%, #fff 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    color: var(--gray-800);
    line-height: 1.6;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

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

/* ============================================
   HEADER COMPONENT
   ============================================ */

.header {
    background: linear-gradient(135deg, var(--primary-orange) 0%, var(--primary-orange-light) 100%);
    color: white;
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: center;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.header.admin {
    background: linear-gradient(135deg, var(--primary-orange) 0%, var(--primary-orange-light) 100%);
}

.header.clinical {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-light) 100%);
}

.header.nonclinical {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-light) 100%);
}

.header h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.header .subtitle {
    font-size: 1rem;
    font-weight: 300;
    letter-spacing: 0.5px;
    opacity: 0.95;
}

/* Header Navigation Buttons */
.header-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
}

.header-nav.left {
    left: var(--spacing-md);
}

.header-nav.right {
    right: var(--spacing-md);
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 14px 28px;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    box-shadow: var(--shadow-md);
    min-height: 50px; /* Better touch target */
}

.btn:active {
    transform: scale(0.98);
}

/* Button Sizes */
.btn-sm {
    padding: 10px 20px;
    font-size: 0.9rem;
    min-height: 42px;
}

.btn-lg {
    padding: 18px 36px;
    font-size: 1.2rem;
    min-height: 58px;
}

/* Button Variants */
.btn-primary {
    background: linear-gradient(145deg, var(--primary-blue), var(--primary-blue-light));
    color: white;
}

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

.btn-admin {
    background: linear-gradient(145deg, var(--primary-orange), var(--primary-orange-light));
    color: white;
}

.btn-admin:hover {
    box-shadow: 0 8px 25px rgba(255, 111, 0, 0.4);
    transform: translateY(-2px);
}

.btn-clinical {
    background: linear-gradient(145deg, var(--primary-blue), var(--primary-blue-light));
    color: white;
}

.btn-clinical:hover {
    box-shadow: 0 8px 25px rgba(33, 150, 243, 0.4);
    transform: translateY(-2px);
}

.btn-nonclinical {
    background: linear-gradient(145deg, var(--primary-green), var(--primary-green-light));
    color: white;
}

.btn-nonclinical:hover {
    box-shadow: 0 8px 25px rgba(76, 175, 80, 0.4);
    transform: translateY(-2px);
}

.btn-success {
    background: linear-gradient(145deg, #2e7d32, var(--success));
    color: white;
}

.btn-success:hover {
    box-shadow: 0 8px 25px rgba(76, 175, 80, 0.4);
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--gray-100);
    color: var(--gray-700);
    border: 2px solid var(--gray-300);
}

.btn-secondary:hover {
    background: var(--gray-200);
    border-color: var(--gray-400);
}

.btn-outline {
    background: white;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

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

/* Icon Buttons (Round) */
.btn-icon {
    width: 50px;
    height: 50px;
    padding: 0;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.5);
    color: white;
    font-size: 1.3rem;
}

.btn-icon:hover {
    background: rgba(255, 255, 255, 0.4);
    transform: scale(1.1);
}

/* ============================================
   CONTAINER & LAYOUT
   ============================================ */

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md);
}

.content {
    flex: 1;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-md);
}

/* ============================================
   CARDS
   ============================================ */

.card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-md);
    transition: all var(--transition-normal);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.card-header {
    border-bottom: 2px solid var(--gray-100);
    padding-bottom: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.card-title {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-xs);
}

.card-subtitle {
    color: var(--gray-600);
    font-size: 0.95rem;
}

/* ============================================
   FORMS
   ============================================ */

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

.form-label {
    display: block;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--spacing-xs);
    font-size: 1rem;
}

.form-label.required::after {
    content: " *";
    color: var(--error);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 14px 16px;
    font-size: 1rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-sm);
    background: white;
    transition: all var(--transition-fast);
    font-family: inherit;
    min-height: 50px; /* Better touch target */
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.1);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-input:disabled,
.form-select:disabled,
.form-textarea:disabled {
    background: var(--gray-100);
    cursor: not-allowed;
    opacity: 0.6;
}

/* Radio & Checkbox */
.form-radio-group,
.form-checkbox-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-radio,
.form-checkbox {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    min-height: 50px; /* Better touch target */
}

.form-radio:hover,
.form-checkbox:hover {
    border-color: var(--primary-blue);
    background: rgba(33, 150, 243, 0.05);
}

.form-radio input[type="radio"],
.form-checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.form-radio.selected,
.form-checkbox.selected {
    border-color: var(--primary-blue);
    background: rgba(33, 150, 243, 0.1);
}

/* Form Helper Text */
.form-help {
    font-size: 0.9rem;
    color: var(--gray-500);
    margin-top: var(--spacing-xs);
}

.form-error {
    font-size: 0.9rem;
    color: var(--error);
    margin-top: var(--spacing-xs);
}

/* ============================================
   GRID LAYOUTS
   ============================================ */

.grid {
    display: grid;
    gap: var(--spacing-md);
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

/* ============================================
   BADGES
   ============================================ */

.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 4px 12px;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    background: var(--gray-200);
    color: var(--gray-700);
}

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

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

.badge-warning {
    background: var(--warning);
    color: white;
}

.badge-error {
    background: var(--error);
    color: white;
}

.badge-count {
    min-width: 24px;
    height: 24px;
    padding: 0 8px;
    font-size: 0.75rem;
    border-radius: var(--radius-full);
    background: var(--error);
    color: white;
}

/* ============================================
   ALERTS
   ============================================ */

.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    border-left: 4px solid;
}

.alert-info {
    background: #e3f2fd;
    border-left-color: var(--info);
    color: #1565c0;
}

.alert-success {
    background: #e8f5e9;
    border-left-color: var(--success);
    color: #2e7d32;
}

.alert-warning {
    background: #fff3e0;
    border-left-color: var(--warning);
    color: #e65100;
}

.alert-error {
    background: #ffebee;
    border-left-color: var(--error);
    color: #c62828;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background: linear-gradient(135deg, var(--primary-orange) 0%, var(--primary-orange-light) 100%);
    color: white;
    text-align: center;
    padding: var(--spacing-lg) var(--spacing-md);
    margin-top: auto;
    box-shadow: 0 -4px 20px rgba(255, 111, 0, 0.3);
}

.footer.admin {
    background: linear-gradient(135deg, var(--primary-orange) 0%, var(--primary-orange-light) 100%);
}

.footer.clinical {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-light) 100%);
}

.footer.nonclinical {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-light) 100%);
}

.footer-content {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
}

.footer-slogan {
    font-size: 0.95rem;
    opacity: 0.9;
    font-style: italic;
    font-weight: 300;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

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

.mt-xs { margin-top: var(--spacing-xs); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-xs { margin-bottom: var(--spacing-xs); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.hidden { display: none !important; }
.visible { display: block !important; }

/* ============================================
   LOADING SPINNER
   ============================================ */

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--gray-200);
    border-top-color: var(--primary-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: var(--spacing-lg) auto;
}

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

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
    :root {
        font-size: 14px;
    }
    
    .header h1 {
        font-size: 1.5rem;
    }
    
    .header .subtitle {
        font-size: 0.9rem;
    }
    
    .header-nav.left {
        left: var(--spacing-sm);
    }
    
    .header-nav.right {
        right: var(--spacing-sm);
    }
    
    .btn-icon {
        width: 42px;
        height: 42px;
        font-size: 1.1rem;
    }
    
    .content {
        padding: var(--spacing-md) var(--spacing-sm);
    }
    
    .card {
        padding: var(--spacing-md);
    }
    
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .btn {
        width: 100%;
    }
    
    .form-radio-group,
    .form-checkbox-group {
        gap: var(--spacing-xs);
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
    .header-nav,
    .btn,
    .footer {
        display: none !important;
    }
    
    body {
        background: white;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid var(--gray-300);
    }
}