/* ===== CSS RESET ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ===== GLOBAL GRADIENT TEXT ===== */
.grad {
  background: linear-gradient(135deg, #60a5fa, #a78bfa, #34d399);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

:root {
    /* ── MedFind Brand v2 ─────────────────────── */
    --brand-blue: #1a56db;
    --brand-teal: #14b8a6;
    --brand-emerald: #10b981;
    --brand-cyan: #06b6d4;
    --brand-gradient: linear-gradient(135deg, #1a56db 0%, #14b8a6 100%);

    /* Primary Colors - Hospital Theme */
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #dbeafe;
    --primary-ultra-light: #eff6ff;

    /* Secondary Colors */
    --secondary: #0d9488;
    --secondary-dark: #0f766e;
    --secondary-light: #ccfbf1;
    --emerald: #10b981;
    --emerald-light: #d1fae5;
    
    /* Status Colors */
    --success: #10b981;
    --success-dark: #059669;
    --success-light: #d1fae5;
    --warning: #f59e0b;
    --warning-dark: #d97706;
    --warning-light: #fef3c7;
    --danger: #ef4444;
    --danger-dark: #dc2626;
    --danger-light: #fee2e2;
    --info: #3b82f6;
    --info-light: #dbeafe;
    
    /* Neutral Colors */
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Shadow */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
    --gradient-primary: linear-gradient(135deg, #2563eb 0%, #7c3aed 50%, #0d9488 100%);
    --gradient-hero: linear-gradient(135deg, #1e1b4b 0%, #1d4ed8 40%, #0f766e 100%);
    --gradient-warm: linear-gradient(135deg, #7c3aed, #ec4899, #f59e0b);
    --gradient-card: linear-gradient(145deg, #ffffff 0%, #f8faff 100%);
    --primary-glow: rgba(37,99,235,.25);
    --accent: #7c3aed;
    --accent-light: #f3e8ff;
    --glass-bg: rgba(255,255,255,.12);
    --glass-border: rgba(255,255,255,.2);
    --glass-shadow: 0 8px 32px rgba(0,0,0,.12);
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
}

/* ===== BASE STYLES ===== */
html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--gray-900);
    margin-bottom: var(--space-4);
}

h1 { 
    font-size: 2.5rem; 
    font-weight: 700;
    line-height: 1.2;
}

h2 { 
    font-size: 2rem; 
    font-weight: 700;
}

h3 { 
    font-size: 1.5rem; 
    font-weight: 600;
}

h4 { 
    font-size: 1.25rem; 
    font-weight: 600;
}

h5 { 
    font-size: 1.125rem; 
    font-weight: 600;
}

h6 { 
    font-size: 1rem; 
    font-weight: 600;
}

p {
    margin-bottom: var(--space-4);
    color: var(--gray-600);
    line-height: 1.7;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition-fast);
    cursor: pointer;
}

a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.text-muted {
    color: var(--gray-500) !important;
}

.text-small {
    font-size: 0.875rem;
}

.text-xs {
    font-size: 0.75rem;
}

.text-uppercase {
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.font-semibold {
    font-weight: 600;
}

.font-bold {
    font-weight: 700;
}

/* ===== LAYOUT UTILITIES ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.container-fluid {
    width: 100%;
    padding: 0 var(--space-6);
}

/* Display Utilities */
.d-none { display: none !important; }
.d-block { display: block !important; }
.d-inline { display: inline !important; }
.d-inline-block { display: inline-block !important; }
.d-flex { display: flex !important; }
.d-inline-flex { display: inline-flex !important; }
.d-grid { display: grid !important; }

/* Flex Utilities */
.flex-column { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }
.flex-1 { flex: 1 1 0%; }
.flex-auto { flex: 1 1 auto; }
.flex-initial { flex: 0 1 auto; }
.flex-none { flex: none; }

/* Alignment */
.align-items-start { align-items: flex-start; }
.align-items-center { align-items: center; }
.align-items-end { align-items: flex-end; }
.align-items-stretch { align-items: stretch; }
.align-items-baseline { align-items: baseline; }

.justify-content-start { justify-content: flex-start; }
.justify-content-center { justify-content: center; }
.justify-content-end { justify-content: flex-end; }
.justify-content-between { justify-content: space-between; }
.justify-content-around { justify-content: space-around; }
.justify-content-evenly { justify-content: space-evenly; }

.align-self-start { align-self: flex-start; }
.align-self-center { align-self: center; }
.align-self-end { align-self: flex-end; }
.align-self-stretch { align-self: stretch; }

/* Text Alignment */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-justify { text-align: justify; }

/* Spacing */
.m-0 { margin: 0; }
.m-1 { margin: var(--space-1); }
.m-2 { margin: var(--space-2); }
.m-3 { margin: var(--space-3); }
.m-4 { margin: var(--space-4); }
.m-5 { margin: var(--space-5); }
.m-6 { margin: var(--space-6); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-5 { margin-bottom: var(--space-5); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.ml-0 { margin-left: 0; }
.ml-1 { margin-left: var(--space-1); }
.ml-2 { margin-left: var(--space-2); }
.ml-3 { margin-left: var(--space-3); }
.ml-4 { margin-left: var(--space-4); }
.ml-5 { margin-left: var(--space-5); }
.ml-6 { margin-left: var(--space-6); }

.mr-0 { margin-right: 0; }
.mr-1 { margin-right: var(--space-1); }
.mr-2 { margin-right: var(--space-2); }
.mr-3 { margin-right: var(--space-3); }
.mr-4 { margin-right: var(--space-4); }
.mr-5 { margin-right: var(--space-5); }
.mr-6 { margin-right: var(--space-6); }

.p-0 { padding: 0; }
.p-1 { padding: var(--space-1); }
.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.p-5 { padding: var(--space-5); }
.p-6 { padding: var(--space-6); }

.pt-0 { padding-top: 0; }
.pt-1 { padding-top: var(--space-1); }
.pt-2 { padding-top: var(--space-2); }
.pt-3 { padding-top: var(--space-3); }
.pt-4 { padding-top: var(--space-4); }
.pt-5 { padding-top: var(--space-5); }
.pt-6 { padding-top: var(--space-6); }

.pb-0 { padding-bottom: 0; }
.pb-1 { padding-bottom: var(--space-1); }
.pb-2 { padding-bottom: var(--space-2); }
.pb-3 { padding-bottom: var(--space-3); }
.pb-4 { padding-bottom: var(--space-4); }
.pb-5 { padding-bottom: var(--space-5); }
.pb-6 { padding-bottom: var(--space-6); }

.pl-0 { padding-left: 0; }
.pl-1 { padding-left: var(--space-1); }
.pl-2 { padding-left: var(--space-2); }
.pl-3 { padding-left: var(--space-3); }
.pl-4 { padding-left: var(--space-4); }
.pl-5 { padding-left: var(--space-5); }
.pl-6 { padding-left: var(--space-6); }

.pr-0 { padding-right: 0; }
.pr-1 { padding-right: var(--space-1); }
.pr-2 { padding-right: var(--space-2); }
.pr-3 { padding-right: var(--space-3); }
.pr-4 { padding-right: var(--space-4); }
.pr-5 { padding-right: var(--space-5); }
.pr-6 { padding-right: var(--space-6); }

.gap-0 { gap: 0; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-5 { gap: var(--space-5); }
.gap-6 { gap: var(--space-6); }

/* Width & Height */
.w-100 { width: 100%; }
.w-75 { width: 75%; }
.w-50 { width: 50%; }
.w-25 { width: 25%; }
.w-auto { width: auto; }

.h-100 { height: 100%; }
.h-75 { height: 75%; }
.h-50 { height: 50%; }
.h-25 { height: 25%; }
.h-auto { height: auto; }

.min-w-0 { min-width: 0; }
.min-w-full { min-width: 100%; }
.max-w-full { max-width: 100%; }

.min-h-0 { min-height: 0; }
.min-h-full { min-height: 100%; }
.min-h-screen { min-height: 100vh; }

/* Position */
.position-relative { position: relative; }
.position-absolute { position: absolute; }
.position-fixed { position: fixed; }
.position-sticky { position: sticky; }

.top-0 { top: 0; }
.right-0 { right: 0; }
.bottom-0 { bottom: 0; }
.left-0 { left: 0; }

.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-x-auto { overflow-x: auto; }
.overflow-y-auto { overflow-y: auto; }

/* Border */
.border { border: 1px solid var(--gray-200); }
.border-0 { border: none; }
.border-top { border-top: 1px solid var(--gray-200); }
.border-bottom { border-bottom: 1px solid var(--gray-200); }
.border-left { border-left: 1px solid var(--gray-200); }
.border-right { border-right: 1px solid var(--gray-200); }

.border-primary { border-color: var(--primary); }
.border-success { border-color: var(--success); }
.border-warning { border-color: var(--warning); }
.border-danger { border-color: var(--danger); }
.border-gray-200 { border-color: var(--gray-200); }
.border-gray-300 { border-color: var(--gray-300); }

.rounded { border-radius: var(--radius-md); }
.rounded-sm { border-radius: var(--radius-sm); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-2xl { border-radius: var(--radius-2xl); }
.rounded-full { border-radius: var(--radius-full); }

.rounded-top { border-top-left-radius: var(--radius-md); border-top-right-radius: var(--radius-md); }
.rounded-bottom { border-bottom-left-radius: var(--radius-md); border-bottom-right-radius: var(--radius-md); }

/* Background Colors */
.bg-white { background-color: var(--white); }
.bg-gray-50 { background-color: var(--gray-50); }
.bg-gray-100 { background-color: var(--gray-100); }
.bg-gray-200 { background-color: var(--gray-200); }
.bg-primary { background-color: var(--primary); }
.bg-primary-light { background-color: var(--primary-light); }
.bg-primary-ultra-light { background-color: var(--primary-ultra-light); }
.bg-secondary { background-color: var(--secondary); }
.bg-success { background-color: var(--success); }
.bg-success-light { background-color: var(--success-light); }
.bg-warning { background-color: var(--warning); }
.bg-warning-light { background-color: var(--warning-light); }
.bg-danger { background-color: var(--danger); }
.bg-danger-light { background-color: var(--danger-light); }
.bg-info { background-color: var(--info); }

.bg-transparent { background-color: transparent; }

/* Text Colors */
.text-white { color: var(--white); }
.text-gray-50 { color: var(--gray-50); }
.text-gray-100 { color: var(--gray-100); }
.text-gray-200 { color: var(--gray-200); }
.text-gray-300 { color: var(--gray-300); }
.text-gray-400 { color: var(--gray-400); }
.text-gray-500 { color: var(--gray-500); }
.text-gray-600 { color: var(--gray-600); }
.text-gray-700 { color: var(--gray-700); }
.text-gray-800 { color: var(--gray-800); }
.text-gray-900 { color: var(--gray-900); }
.text-primary { color: var(--primary); }
.text-primary-dark { color: var(--primary-dark); }
.text-secondary { color: var(--secondary); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }
.text-info { color: var(--info); }

/* Shadow */
.shadow-none { box-shadow: none; }
.shadow-xs { box-shadow: var(--shadow-xs); }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }
.shadow-2xl { box-shadow: var(--shadow-2xl); }

.shadow-inner { box-shadow: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06); }

/* Opacity */
.opacity-0 { opacity: 0; }
.opacity-25 { opacity: 0.25; }
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }
.opacity-100 { opacity: 1; }

/* Cursor */
.cursor-pointer { cursor: pointer; }
.cursor-default { cursor: default; }
.cursor-not-allowed { cursor: not-allowed; }

/* Z-index */
.z-0 { z-index: 0; }
.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-30 { z-index: 30; }
.z-40 { z-index: 40; }
.z-50 { z-index: 50; }
.z-auto { z-index: auto; }

/* ===== FORM ELEMENTS ===== */
.form-group {
    margin-bottom: var(--space-4);
}

.form-label {
    display: block;
    margin-bottom: var(--space-2);
    font-weight: 500;
    color: var(--gray-700);
    font-size: 0.875rem;
}

.form-label.required::after {
    content: '*';
    color: var(--danger);
    margin-left: var(--space-1);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--gray-800);
    background-color: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-control:disabled,
.form-control[readonly] {
    background-color: var(--gray-100);
    border-color: var(--gray-300);
    color: var(--gray-500);
    cursor: not-allowed;
}

.form-control.is-invalid {
    border-color: var(--danger);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23dc2626'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath stroke-linejoin='round' d='M5.8 3.6h.4L6 6.5z'/%3e%3ccircle cx='6' cy='8.2' r='.6' fill='%23dc2626' stroke='none'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1rem 1rem;
    padding-right: 2.5rem;
}

.form-control.is-valid {
    border-color: var(--success);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3e%3cpath fill='%2310b981' d='M2.3 6.73L.6 4.53c-.4-1.04.46-1.4 1.1-.8l1.1 1.4 3.4-3.8c.6-.63 1.6-.27 1.2.7l-4 4.6c-.43.5-.8.4-1.1.1z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1rem 1rem;
    padding-right: 2.5rem;
}

.form-control::placeholder {
    color: var(--gray-500);
    opacity: 1;
}

.form-text {
    display: block;
    margin-top: var(--space-2);
    font-size: 0.875rem;
    color: var(--gray-500);
}

/* Select Styling */
.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 16px 12px;
    padding-right: 2.5rem;
}

/* Checkbox and Radio */
.form-check {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
    cursor: pointer;
}

.form-check-input {
    width: 1.25rem;
    height: 1.25rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    background-color: var(--white);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.form-check-input:checked {
    background-color: var(--primary);
    border-color: var(--primary);
}

.form-check-input:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-check-input[type="radio"] {
    border-radius: var(--radius-full);
}

.form-check-label {
    font-size: 0.875rem;
    color: var(--gray-700);
    cursor: pointer;
}

/* Form Validation */
.invalid-feedback {
    display: none;
    width: 100%;
    margin-top: var(--space-2);
    font-size: 0.875rem;
    color: var(--danger);
}

.is-invalid ~ .invalid-feedback {
    display: block;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.5;
    text-align: center;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    user-select: none;
    vertical-align: middle;
    white-space: nowrap;
}

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

/* Button Variants */
.btn-primary {
    background-color: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

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

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

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

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

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

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

.btn-warning {
    background-color: var(--warning);
    color: var(--gray-900);
    border-color: var(--warning);
}

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

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

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

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

.btn-outline-secondary {
    background-color: transparent;
    color: var(--secondary);
    border-color: var(--secondary);
}

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

.btn-outline-success {
    background-color: transparent;
    color: var(--success);
    border-color: var(--success);
}

.btn-outline-success:hover:not(:disabled) {
    background-color: var(--success);
    color: var(--white);
}

.btn-outline-danger {
    background-color: transparent;
    color: var(--danger);
    border-color: var(--danger);
}

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

.btn-outline-warning {
    background-color: transparent;
    color: var(--warning);
    border-color: var(--warning);
}

.btn-outline-warning:hover:not(:disabled) {
    background-color: var(--warning);
    color: var(--gray-900);
}

.btn-light {
    background-color: var(--gray-100);
    color: var(--gray-700);
    border-color: var(--gray-300);
}

.btn-light:hover:not(:disabled) {
    background-color: var(--gray-200);
    border-color: var(--gray-400);
}

.btn-link {
    background-color: transparent;
    color: var(--primary);
    border: none;
    padding: 0;
    text-decoration: underline;
}

.btn-link:hover:not(:disabled) {
    color: var(--primary-dark);
    text-decoration: none;
}

/* Button Sizes */
.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    border-radius: var(--radius-sm);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
    border-radius: var(--radius-lg);
}

.btn-block {
    display: block;
    width: 100%;
}

.btn-rounded {
    border-radius: var(--radius-full);
    padding-left: 1.75rem;
    padding-right: 1.75rem;
}

/* Button with Icon */
.btn-icon {
    width: 2.5rem;
    height: 2.5rem;
    padding: 0;
    justify-content: center;
}

.btn-icon.btn-sm {
    width: 2rem;
    height: 2rem;
}

.btn-icon.btn-lg {
    width: 3rem;
    height: 3rem;
}

/* ===== CARD ===== */
.card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

.card:hover {
    border-color: var(--gray-300);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.card-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--gray-200);
    background-color: var(--white);
}

.card-header:first-child {
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--gray-200);
    background-color: var(--white);
}

.card-footer:last-child {
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* Card Variations */
.card-primary {
    border-color: var(--primary);
}

.card-primary .card-header {
    background-color: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.card-success {
    border-color: var(--success-light);
}

.card-warning {
    border-color: var(--warning-light);
}

.card-danger {
    border-color: var(--danger-light);
}

.card-shadow-none {
    box-shadow: none;
}

.card-hover-shadow:hover {
    box-shadow: var(--shadow-lg);
}

/* ===== BADGES ===== */
.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-1);
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: var(--radius-full);
}

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

.badge-secondary {
    background-color: var(--secondary-light);
    color: var(--secondary);
}

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

.badge-warning {
    background-color: var(--warning-light);
    color: #92400e;
}

.badge-danger {
    background-color: var(--danger-light);
    color: var(--danger);
}

.badge-info {
    background-color: var(--info-light);
    color: var(--info);
}

.badge-light {
    background-color: var(--gray-100);
    color: var(--gray-700);
}

.badge-dark {
    background-color: var(--gray-800);
    color: var(--white);
}

.badge-pill {
    border-radius: var(--radius-full);
    padding-left: 0.875rem;
    padding-right: 0.875rem;
}

.badge-sm {
    font-size: 0.625rem;
    padding: 0.125rem 0.5rem;
}

.badge-lg {
    font-size: 0.875rem;
    padding: 0.375rem 1rem;
}

.badge-dot {
    display: inline-block;
    width: 0.5rem;
    height: 0.5rem;
    border-radius: var(--radius-full);
    padding: 0;
}

.badge-dot-primary { background-color: var(--primary); }
.badge-dot-success { background-color: var(--success); }
.badge-dot-warning { background-color: var(--warning); }
.badge-dot-danger { background-color: var(--danger); }

/* ===== ALERTS ===== */
.alert {
    position: relative;
    padding: 1rem 1.25rem;
    border: 1px solid transparent;
    border-radius: var(--radius-lg);
    margin-bottom: 1rem;
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
}

.alert-icon {
    font-size: 1.25rem;
    line-height: 1;
    flex-shrink: 0;
}

.alert-content {
    flex: 1;
}

.alert-title {
    font-weight: 600;
    margin-bottom: var(--space-1);
    font-size: 0.875rem;
}

.alert-message {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin: 0;
}

.alert-close {
    background: none;
    border: none;
    padding: 0;
    font-size: 1rem;
    color: inherit;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
    flex-shrink: 0;
    margin-left: auto;
}

.alert-close:hover {
    opacity: 1;
}

/* Alert Variants */
.alert-primary {
    background-color: var(--primary-ultra-light);
    border-color: var(--primary-light);
    color: var(--primary);
}

.alert-success {
    background-color: var(--success-light);
    border-color: #a7f3d0;
    color: var(--success);
}

.alert-warning {
    background-color: var(--warning-light);
    border-color: #fcd34d;
    color: #92400e;
}

.alert-danger {
    background-color: var(--danger-light);
    border-color: #fecaca;
    color: var(--danger);
}

.alert-info {
    background-color: #dbeafe;
    border-color: #93c5fd;
    color: var(--info);
}

/* ===== TABLES ===== */
.table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1rem;
    color: var(--gray-700);
}

.table th,
.table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.table th {
    font-weight: 600;
    color: var(--gray-900);
    background-color: var(--gray-50);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

.table tbody tr {
    transition: background-color var(--transition-fast);
}

.table tbody tr:hover {
    background-color: var(--gray-50);
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: var(--gray-50);
}

.table-bordered {
    border: 1px solid var(--gray-200);
}

.table-bordered th,
.table-bordered td {
    border: 1px solid var(--gray-200);
}

.table-hover tbody tr:hover {
    background-color: var(--gray-100);
}

/* ===== NAVBAR ===== */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--white);
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
    height: 64px;
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    padding: 0 var(--space-6);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
}

.navbar-brand:hover {
    color: var(--primary-dark);
    text-decoration: none;
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: 0.75rem 1rem;
    color: var(--gray-700);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    font-weight: 500;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
    background-color: var(--primary-ultra-light);
    text-decoration: none;
}

.nav-link i {
    font-size: 1.25rem;
}

.navbar-toggler {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--gray-700);
    cursor: pointer;
    padding: var(--space-2);
}

/* ===== MODAL ===== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1050;
    padding: var(--space-4);
}

.modal.show {
    display: flex;
}

.modal-dialog {
    width: 100%;
    max-width: 500px;
    margin: auto;
}

.modal-content {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-2xl);
    overflow: hidden;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
    border-bottom: 1px solid var(--gray-200);
}

.modal-title {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--gray-500);
    cursor: pointer;
    padding: 0;
    line-height: 1;
    transition: color var(--transition-fast);
}

.modal-close:hover {
    color: var(--gray-700);
}

.modal-body {
    padding: 1.5rem;
    max-height: 60vh;
    overflow-y: auto;
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-3);
    padding: 1.5rem;
    border-top: 1px solid var(--gray-200);
    background-color: var(--gray-50);
}

.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1040;
}

/* ===== TOAST ===== */
.toast-container {
    position: fixed;
    top: var(--space-6);
    right: var(--space-6);
    z-index: 1100;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.toast {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: 1rem 1.25rem;
    background-color: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--primary);
    min-width: 300px;
    max-width: 400px;
    animation: slideInRight 0.3s ease;
}

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

.toast.warning {
    border-left-color: var(--warning);
}

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

.toast.info {
    border-left-color: var(--info);
}

.toast-icon {
    font-size: 1.25rem;
    line-height: 1;
    flex-shrink: 0;
}

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

.toast.warning .toast-icon {
    color: var(--warning);
}

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

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

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    margin-bottom: var(--space-1);
    font-size: 0.875rem;
}

.toast-message {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin: 0;
}

.toast-close {
    background: none;
    border: none;
    padding: 0;
    font-size: 1rem;
    color: var(--gray-500);
    cursor: pointer;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
    flex-shrink: 0;
}

.toast-close:hover {
    opacity: 1;
}

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

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

.toast.hide {
    animation: slideOutRight 0.3s ease forwards;
}

/* ===== DROPDOWN ===== */
.dropdown {
    position: relative;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 1000;
    min-width: 200px;
    padding: var(--space-2) 0;
    margin: var(--space-2) 0 0;
    background-color: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: none;
    animation: fadeIn 0.2s ease;
}

.dropdown.show .dropdown-menu {
    display: block;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: 0.5rem 1rem;
    color: var(--gray-700);
    text-decoration: none;
    transition: all var(--transition-fast);
    font-size: 0.875rem;
}

.dropdown-item:hover {
    background-color: var(--gray-50);
    color: var(--primary);
    text-decoration: none;
}

.dropdown-divider {
    height: 1px;
    background-color: var(--gray-200);
    margin: var(--space-2) 0;
}

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

/* ===== LOADING STATE ===== */
.loading {
    display: inline-block;
    width: 2rem;
    height: 2rem;
    border: 3px solid var(--gray-200);
    border-radius: 50%;
    border-top-color: var(--primary);
    animation: spin 1s linear infinite;
}

.loading-sm {
    width: 1rem;
    height: 1rem;
    border-width: 2px;
}

.loading-lg {
    width: 3rem;
    height: 3rem;
    border-width: 4px;
}

.loading-success {
    border-top-color: var(--success);
}

.loading-danger {
    border-top-color: var(--danger);
}

.loading-warning {
    border-top-color: var(--warning);
}

.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    gap: var(--space-4);
}

.loading-text {
    color: var(--gray-500);
    font-size: 0.875rem;
}

.skeleton {
    background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    border-radius: var(--radius-md);
}

.skeleton-text {
    height: 1rem;
    margin-bottom: var(--space-2);
}

.skeleton-circle {
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius-full);
}

.skeleton-rect {
    height: 200px;
    border-radius: var(--radius-lg);
}

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

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ===== AVATAR ===== */
.avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-full);
    background-color: var(--primary);
    color: var(--white);
    font-weight: 600;
    font-size: 1rem;
    overflow: hidden;
}

.avatar-sm {
    width: 2rem;
    height: 2rem;
    font-size: 0.875rem;
}

.avatar-lg {
    width: 3rem;
    height: 3rem;
    font-size: 1.25rem;
}

.avatar-xl {
    width: 4rem;
    height: 4rem;
    font-size: 1.5rem;
}

.avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-primary { background-color: var(--primary); }
.avatar-success { background-color: var(--success); }
.avatar-warning { background-color: var(--warning); }
.avatar-danger { background-color: var(--danger); }
.avatar-secondary { background-color: var(--secondary); }

/* ===== PAGINATION ===== */
.pagination {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    list-style: none;
    padding: 0;
    margin: 0;
}

.page-item {
    margin: 0;
}

.page-link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 2.5rem;
    height: 2.5rem;
    padding: 0 var(--space-3);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    color: var(--gray-700);
    text-decoration: none;
    transition: all var(--transition-fast);
    font-size: 0.875rem;
    font-weight: 500;
}

.page-link:hover {
    background-color: var(--gray-100);
    border-color: var(--gray-400);
    color: var(--gray-900);
    text-decoration: none;
}

.page-item.active .page-link {
    background-color: var(--primary);
    border-color: var(--primary);
    color: var(--white);
}

.page-item.disabled .page-link {
    color: var(--gray-400);
    pointer-events: none;
    background-color: var(--gray-50);
    border-color: var(--gray-300);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.25rem; }
    h4 { font-size: 1.125rem; }
    
    .container {
        padding: 0 var(--space-4);
    }
    
    .navbar-container {
        padding: 0 var(--space-4);
    }
    
    .navbar-nav {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background-color: var(--white);
        flex-direction: column;
        align-items: stretch;
        padding: var(--space-4);
        border-top: 1px solid var(--gray-200);
        box-shadow: var(--shadow-lg);
        display: none;
    }
    
    .navbar-nav.show {
        display: flex;
    }
    
    .navbar-toggler {
        display: block;
    }
    
    .modal-dialog {
        max-width: 100%;
        margin: var(--space-2);
    }
    
    .toast-container {
        left: var(--space-4);
        right: var(--space-4);
        top: var(--space-4);
    }
    
    .toast {
        min-width: auto;
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
    
    .container {
        padding: 0 var(--space-3);
    }
    
    .btn {
        padding: 0.625rem 1.25rem;
    }
    
    .btn-lg {
        padding: 0.75rem 1.5rem;
    }
    
    .card-body,
    .card-header,
    .card-footer {
        padding: 1rem;
    }
}

/* ===== PRINT STYLES ===== */
@media print {
    .navbar,
    .footer,
    .btn,
    .no-print {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
    }
    
    .container {
        max-width: 100%;
        padding: 0;
    }
    
    a {
        color: inherit !important;
        text-decoration: none !important;
    }
}

/* ===== CUSTOM SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-500);
}

/* ===== ACCESSIBILITY ===== */
.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;
}

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

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

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

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.animate-fadeIn {
    animation: fadeIn 0.3s ease;
}

.animate-fadeOut {
    animation: fadeOut 0.3s ease;
}

.animate-slideInUp {
    animation: slideInUp 0.3s ease;
}

.animate-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}
:root {
    --secondary: #0ea5e9;

    --primary-dark: #1e40af;
    --primary-ultra-light: #eff6ff;

    --success-light: #dcfce7;
    --success-dark: #166534;

    --warning-light: #fef3c7;
    --warning-dark: #92400e;

    --danger-light: #fee2e2;
    --danger-dark: #991b1b;
}
/* Base Styles */
:root {
  --primary-color: #2196F3;
  --primary-dark: #1976D2;
  --secondary-color: #4CAF50;
  --secondary-dark: #388E3C;
  --accent-color: #FF9800;
  --danger-color: #F44336;
  --warning-color: #FFC107;
  --success-color: #4CAF50;
  --info-color: #00BCD4;
  
  --text-primary: #212121;
  --text-secondary: #757575;
  --text-light: #9E9E9E;
  
  --bg-light: #F5F5F5;
  --bg-white: #FFFFFF;
  --bg-gray: #FAFAFA;
  
  --border-color: #E0E0E0;
  --border-light: #EEEEEE;
  
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 8px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 16px rgba(0,0,0,0.1);
  
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  
  --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

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

body {
  font-family: var(--font-primary);
  color: var(--text-primary);
  background: var(--bg-light);
  line-height: 1.6;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: 1rem;
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.3s;
}

a:hover {
  color: var(--primary-dark);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: center;
}

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

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

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

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

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

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

.btn-sm {
  padding: 6px 12px;
  font-size: 13px;
}

.btn-lg {
  padding: 12px 24px;
  font-size: 16px;
}

.btn-block {
  display: block;
  width: 100%;
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: 50%;
}

/* Forms */
input, select, textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 14px;
  font-family: inherit;
  transition: border-color 0.3s;
}

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

/* Cards */
.card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
  transition: box-shadow 0.3s;
}

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

.card-title {
  font-size: 1.25rem;
  color: var(--text-primary);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--border-light);
}

/* Tags */
.tag {
  display: inline-block;
  padding: 6px 12px;
  background: var(--bg-gray);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  font-size: 13px;
  margin: 0 8px 8px 0;
}

/* Grid System */
.row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -12px;
}

.col-1 { width: 8.33%; }
.col-2 { width: 16.66%; }
.col-3 { width: 25%; }
.col-4 { width: 33.33%; }
.col-5 { width: 41.66%; }
.col-6 { width: 50%; }
.col-7 { width: 58.33%; }
.col-8 { width: 66.66%; }
.col-9 { width: 75%; }
.col-10 { width: 83.33%; }
.col-11 { width: 91.66%; }
.col-12 { width: 100%; }

[class*="col-"] {
  padding: 0 12px;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }

.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

.p-1 { padding: 8px; }
.p-2 { padding: 16px; }
.p-3 { padding: 24px; }
.p-4 { padding: 32px; }

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