/* Modern React-like UI System for Hospital */
:root {
    --primary: #0066ff;
    --primary-dark: #0052cc;
    --primary-light: #3399ff;
    --secondary: #6366f1;
    --accent: #ec4899;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --background: #f8fafc;
    --surface: #ffffff;
    --surface-elevated: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --border: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    background: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Modern Glassmorphism Cards */
.modern-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 24px;
    margin-bottom: 24px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border);
    backdrop-filter: blur(10px);
}

.modern-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    opacity: 0;
    transition: var(--transition);
}

.modern-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: var(--primary-light);
}

.modern-card:hover::before {
    opacity: 1;
}

.modern-card.elevated {
    box-shadow: var(--shadow-md);
}

.modern-card.glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Modern Buttons */
.modern-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    min-width: 120px;
    height: 44px;
    text-decoration: none;
    font-family: inherit;
}

.modern-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.modern-btn:active::before {
    width: 300px;
    height: 300px;
}

.modern-btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(0, 102, 255, 0.39);
}

.modern-btn-primary:hover {
    box-shadow: 0 6px 20px rgba(0, 102, 255, 0.5);
    transform: translateY(-2px);
}

.modern-btn-secondary {
    background: var(--surface);
    color: var(--primary);
    border: 2px solid var(--primary);
    box-shadow: var(--shadow-sm);
}

.modern-btn-secondary:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

.modern-btn-ghost {
    background: transparent;
    color: var(--primary);
    border: 2px solid transparent;
}

.modern-btn-ghost:hover {
    background: rgba(0, 102, 255, 0.1);
    border-color: var(--primary);
}

/* Modern Inputs */
.modern-input-group {
    position: relative;
    margin-bottom: 24px;
}

.modern-input {
    width: 100%;
    padding: 16px 16px 16px 16px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    font-size: 16px;
    color: var(--text-primary);
    transition: var(--transition);
    outline: none;
    font-family: inherit;
}

.modern-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(0, 102, 255, 0.1);
    background: white;
}

.modern-input::placeholder {
    color: var(--text-muted);
}

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

.modern-input select {
    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 12 12'%3E%3Cpath fill='%230066ff' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.modern-label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

/* Modern Navigation */
.modern-nav {
    background: var(--surface);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 0;
    backdrop-filter: blur(20px);
    background: rgba(255, 255, 255, 0.9);
    border-bottom: 1px solid var(--border);
}

.modern-nav-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.modern-nav-brand {
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 12px;
}

.modern-nav-menu {
    display: flex;
    list-style: none;
    gap: 8px;
    align-items: center;
}

.modern-nav-item {
    position: relative;
}

.modern-nav-link {
    display: flex;
    align-items: center;
    padding: 10px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    border-radius: var(--radius);
    transition: var(--transition-fast);
    position: relative;
}

.modern-nav-link:hover {
    background: rgba(0, 102, 255, 0.08);
    color: var(--primary);
}

.modern-nav-link.active {
    color: var(--primary);
    background: rgba(0, 102, 255, 0.1);
}

/* Mobile Bottom Navigation */
.modern-bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 8px 0 calc(8px + env(safe-area-inset-bottom));
    border-top: 1px solid var(--border);
}

.modern-bottom-nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 8px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 11px;
    font-weight: 500;
    transition: var(--transition-fast);
    border-radius: var(--radius);
}

.modern-bottom-nav-item.active {
    color: var(--primary);
}

.modern-bottom-nav-item i {
    font-size: 22px;
    margin-bottom: 4px;
}

/* Modern Container */
.modern-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 32px 24px;
}

/* Modern Grid */
.modern-grid {
    display: grid;
    gap: 24px;
}

.modern-grid-1 { grid-template-columns: 1fr; }
.modern-grid-2 { grid-template-columns: repeat(2, 1fr); }
.modern-grid-3 { grid-template-columns: repeat(3, 1fr); }
.modern-grid-4 { grid-template-columns: repeat(4, 1fr); }

/* Modern Typography */
.modern-headline {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.modern-title {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 16px;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.modern-subtitle {
    font-size: 20px;
    font-weight: 500;
    line-height: 1.5;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.modern-body {
    font-size: 16px;
    font-weight: 400;
    line-height: 1.6;
    color: var(--text-primary);
}

.modern-body-small {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Modern Hero Section */
.modern-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    border-radius: var(--radius-xl);
    padding: 80px 48px;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
    margin-bottom: 48px;
}

.modern-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.modern-hero-content {
    position: relative;
    z-index: 1;
}

/* Modern Stats Cards */
.modern-stat-card {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: var(--radius-lg);
    padding: 32px;
    color: white;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.modern-stat-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.modern-stat-card-content {
    position: relative;
    z-index: 1;
}

.modern-stat-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

/* Modern List */
.modern-list {
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
    border: 1px solid var(--border);
}

.modern-list-item {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    transition: var(--transition-fast);
    cursor: pointer;
    background: var(--surface);
}

.modern-list-item:last-child {
    border-bottom: none;
}

.modern-list-item:hover {
    background: rgba(0, 102, 255, 0.04);
}

.modern-list-item-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.1) 0%, rgba(99, 102, 241, 0.1) 100%);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 16px;
    flex-shrink: 0;
    font-size: 20px;
}

.modern-list-item-content {
    flex: 1;
}

.modern-list-item-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.modern-list-item-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Modern Badge */
.modern-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    background: rgba(0, 102, 255, 0.1);
    color: var(--primary);
}

/* Modern Divider */
.modern-divider {
    height: 1px;
    background: var(--border);
    margin: 24px 0;
    border: none;
}

/* Modern Snackbar */
.modern-snackbar {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: #1e293b;
    color: white;
    padding: 16px 24px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-xl);
    z-index: 2000;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 300px;
}

.modern-snackbar.show {
    transform: translateX(-50%) translateY(0);
}

.modern-snackbar.success {
    background: var(--success);
}

.modern-snackbar.error {
    background: var(--error);
}

/* Modern FAB */
.modern-fab {
    position: fixed;
    bottom: 88px;
    right: 24px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    border: none;
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    z-index: 999;
    transition: var(--transition);
}

.modern-fab:hover {
    box-shadow: var(--shadow-xl);
    transform: scale(1.1);
}

.modern-fab:active {
    transform: scale(0.95);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

.modern-fade-in {
    animation: fadeIn 0.6s ease-out;
}

.modern-fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Responsive Design */
@media (max-width: 768px) {
    .modern-nav-menu {
        display: none;
    }
    
    .modern-bottom-nav {
        display: flex;
    }
    
    .modern-container {
        padding: 24px 16px;
        padding-bottom: 88px;
    }
    
    .modern-grid-2,
    .modern-grid-3,
    .modern-grid-4 {
        grid-template-columns: 1fr;
    }
    
    .modern-headline {
        font-size: 32px;
    }
    
    .modern-title {
        font-size: 24px;
    }
    
    .modern-subtitle {
        font-size: 18px;
    }
    
    .modern-nav-content {
        height: 64px;
        padding: 0 16px;
    }
    
    .modern-fab {
        bottom: 80px;
        right: 16px;
        width: 48px;
        height: 48px;
    }
    
    .modern-hero {
        padding: 48px 24px;
        border-radius: var(--radius-lg);
    }
    
    .modern-stat-card {
        padding: 24px;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .modern-grid-3,
    .modern-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Utility Classes */
.modern-text-center { text-align: center; }
.modern-text-right { text-align: right; }
.modern-mt-1 { margin-top: 8px; }
.modern-mt-2 { margin-top: 16px; }
.modern-mt-3 { margin-top: 24px; }
.modern-mt-4 { margin-top: 32px; }
.modern-mb-1 { margin-bottom: 8px; }
.modern-mb-2 { margin-bottom: 16px; }
.modern-mb-3 { margin-bottom: 24px; }
.modern-mb-4 { margin-bottom: 32px; }
.modern-p-1 { padding: 8px; }
.modern-p-2 { padding: 16px; }
.modern-p-3 { padding: 24px; }
.modern-p-4 { padding: 32px; }