/* ============================================================
   NADSOC Design System — CSS Custom Properties & Base Styles
   The NAD Employees Co-op. Credit Society Ltd., Karanja
   ============================================================ */

/* --- Google Fonts Import --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ============================================================
   CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================================ */
:root {
    /* --- NADSOC Blue Palette --- */
    --clr-primary-50:  #E8F0FE;
    --clr-primary-100: #C5D9FC;
    --clr-primary-200: #9EBEF9;
    --clr-primary-300: #74A1F5;
    --clr-primary-400: #548BF2;
    --clr-primary-500: #1A56DB;  /* Main NADSOC Blue */
    --clr-primary-600: #1648B8;
    --clr-primary-700: #113995;
    --clr-primary-800: #0D2B72;
    --clr-primary-900: #091D4F;

    /* --- Neutral (Gray) --- */
    --clr-neutral-50:  #F9FAFB;
    --clr-neutral-100: #F3F4F6;
    --clr-neutral-200: #E5E7EB;
    --clr-neutral-300: #D1D5DB;
    --clr-neutral-400: #9CA3AF;
    --clr-neutral-500: #6B7280;
    --clr-neutral-600: #4B5563;
    --clr-neutral-700: #374151;
    --clr-neutral-800: #1F2937;
    --clr-neutral-900: #111827;

    /* --- Semantic Colors --- */
    --clr-success:     #059669;
    --clr-success-bg:  #D1FAE5;
    --clr-warning:     #D97706;
    --clr-warning-bg:  #FEF3C7;
    --clr-danger:      #DC2626;
    --clr-danger-bg:   #FEE2E2;
    --clr-info:        #2563EB;
    --clr-info-bg:     #DBEAFE;

    /* --- Typography --- */
    --font-family:     'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --fs-xs:           0.75rem;    /* 12px */
    --fs-sm:           0.875rem;   /* 14px */
    --fs-base:         1rem;       /* 16px */
    --fs-lg:           1.125rem;   /* 18px */
    --fs-xl:           1.25rem;    /* 20px */
    --fs-2xl:          1.5rem;     /* 24px */
    --fs-3xl:          1.875rem;   /* 30px */
    --fs-4xl:          2.25rem;    /* 36px */

    /* --- Spacing --- */
    --sp-1: 0.25rem;
    --sp-2: 0.5rem;
    --sp-3: 0.75rem;
    --sp-4: 1rem;
    --sp-5: 1.25rem;
    --sp-6: 1.5rem;
    --sp-8: 2rem;
    --sp-10: 2.5rem;
    --sp-12: 3rem;
    --sp-16: 4rem;

    /* --- Shadows --- */
    --shadow-sm:    0 1px 2px rgba(0,0,0,0.05);
    --shadow-md:    0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
    --shadow-lg:    0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
    --shadow-xl:    0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.04);
    --shadow-glass: 0 8px 32px rgba(26, 86, 219, 0.12);

    /* --- Border Radius --- */
    --radius-sm:   0.375rem;
    --radius-md:   0.5rem;
    --radius-lg:   0.75rem;
    --radius-xl:   1rem;
    --radius-full: 9999px;

    /* --- Transitions --- */
    --transition-fast:   150ms ease;
    --transition-base:   250ms ease;
    --transition-slow:   350ms ease;
    --transition-spring: 350ms cubic-bezier(0.34, 1.56, 0.64, 1);

    /* --- Layout --- */
    --sidebar-width:    260px;
    --sidebar-collapsed: 72px;
    --header-height:    64px;
    --max-content-width: 1400px;

    /* --- Z-index Scale --- */
    --z-dropdown:  100;
    --z-sticky:    200;
    --z-modal:     300;
    --z-overlay:   400;
    --z-toast:     500;
}

/* ============================================================
   GLOBAL RESET & BASE STYLES
   ============================================================ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-family);
    font-size: var(--fs-base);
    line-height: 1.6;
    color: var(--clr-neutral-800);
    background-color: var(--clr-neutral-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

a {
    color: var(--clr-primary-500);
    text-decoration: none;
    transition: color var(--transition-fast);
}
a:hover { color: var(--clr-primary-700); }

img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: inherit; }
input, select, textarea { font-family: inherit; font-size: inherit; }

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

/* --- Flexbox --- */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: var(--sp-1); }
.gap-2 { gap: var(--sp-2); }
.gap-3 { gap: var(--sp-3); }
.gap-4 { gap: var(--sp-4); }
.gap-6 { gap: var(--sp-6); }
.gap-8 { gap: var(--sp-8); }

/* --- Text --- */
.text-xs    { font-size: var(--fs-xs); }
.text-sm    { font-size: var(--fs-sm); }
.text-base  { font-size: var(--fs-base); }
.text-lg    { font-size: var(--fs-lg); }
.text-xl    { font-size: var(--fs-xl); }
.text-2xl   { font-size: var(--fs-2xl); }
.text-3xl   { font-size: var(--fs-3xl); }
.text-4xl   { font-size: var(--fs-4xl); }
.font-light   { font-weight: 300; }
.font-normal  { font-weight: 400; }
.font-medium  { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold    { font-weight: 700; }
.text-center  { text-align: center; }
.text-right   { text-align: right; }
.text-muted   { color: var(--clr-neutral-500); }
.text-primary { color: var(--clr-primary-500); }
.text-success { color: var(--clr-success); }
.text-warning { color: var(--clr-warning); }
.text-danger  { color: var(--clr-danger); }

/* --- Spacing --- */
.p-2 { padding: var(--sp-2); }
.p-4 { padding: var(--sp-4); }
.p-6 { padding: var(--sp-6); }
.p-8 { padding: var(--sp-8); }
.px-4 { padding-left: var(--sp-4); padding-right: var(--sp-4); }
.py-2 { padding-top: var(--sp-2); padding-bottom: var(--sp-2); }
.py-4 { padding-top: var(--sp-4); padding-bottom: var(--sp-4); }
.mt-2 { margin-top: var(--sp-2); }
.mt-4 { margin-top: var(--sp-4); }
.mt-6 { margin-top: var(--sp-6); }
.mb-2 { margin-bottom: var(--sp-2); }
.mb-4 { margin-bottom: var(--sp-4); }
.mb-6 { margin-bottom: var(--sp-6); }

/* --- Visibility --- */
.hidden { display: none !important; }
.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;
}

/* ============================================================
   COMPONENT STYLES
   ============================================================ */

/* --- Cards --- */
.card {
    background: #FFFFFF;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--sp-6);
    transition: box-shadow var(--transition-base);
}
.card:hover { box-shadow: var(--shadow-lg); }

.card-glass {
    background: rgba(255, 255, 255, 0.72);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-glass);
    padding: var(--sp-6);
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--sp-2);
    padding: var(--sp-2) var(--sp-5);
    font-size: var(--fs-sm);
    font-weight: 600;
    line-height: 1.5;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    white-space: nowrap;
    -webkit-user-select: none;
    user-select: none;
    outline: none;
}
.btn:focus-visible {
    outline: 3px solid var(--clr-primary-300);
    outline-offset: 2px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--clr-primary-500), var(--clr-primary-600));
    color: #FFFFFF;
}
.btn-primary:hover {
    background: linear-gradient(135deg, var(--clr-primary-600), var(--clr-primary-700));
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
    background: #FFFFFF;
    color: var(--clr-primary-600);
    border-color: var(--clr-primary-300);
}
.btn-secondary:hover {
    background: var(--clr-primary-50);
    border-color: var(--clr-primary-500);
}

.btn-danger {
    background: linear-gradient(135deg, var(--clr-danger), #B91C1C);
    color: #FFFFFF;
}
.btn-danger:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-sm { padding: var(--sp-1) var(--sp-3); font-size: var(--fs-xs); }
.btn-lg { padding: var(--sp-3) var(--sp-8); font-size: var(--fs-base); }
.btn-icon { padding: var(--sp-2); border-radius: var(--radius-md); }
.btn-icon:hover { background: var(--clr-neutral-100); }

.btn:disabled, .btn[disabled] {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* --- Form Inputs --- */
.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--sp-1);
}

.form-label {
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--clr-neutral-700);
}

.form-label .required {
    color: var(--clr-danger);
    margin-left: 2px;
}

.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: var(--sp-2) var(--sp-3);
    font-size: var(--fs-sm);
    color: var(--clr-neutral-800);
    background: #FFFFFF;
    border: 1.5px solid var(--clr-neutral-300);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    outline: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
    border-color: var(--clr-primary-500);
    box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.12);
}
.form-input.error, .form-select.error {
    border-color: var(--clr-danger);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.form-error {
    font-size: var(--fs-xs);
    color: var(--clr-danger);
    min-height: 1rem;
}

.form-hint {
    font-size: var(--fs-xs);
    color: var(--clr-neutral-500);
}

/* --- Tables --- */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--clr-neutral-200);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--fs-sm);
}

.data-table thead {
    background: linear-gradient(135deg, var(--clr-primary-500), var(--clr-primary-600));
    color: #FFFFFF;
}

.data-table th {
    padding: var(--sp-3) var(--sp-4);
    text-align: left;
    font-weight: 600;
    white-space: nowrap;
    letter-spacing: 0.02em;
}

.data-table td {
    padding: var(--sp-3) var(--sp-4);
    border-bottom: 1px solid var(--clr-neutral-100);
}

.data-table tbody tr {
    transition: background var(--transition-fast);
}
.data-table tbody tr:hover {
    background: var(--clr-primary-50);
}
.data-table tbody tr:nth-child(even) {
    background: var(--clr-neutral-50);
}
.data-table tbody tr:nth-child(even):hover {
    background: var(--clr-primary-50);
}

/* --- Badges / Status Chips --- */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px var(--sp-2);
    font-size: var(--fs-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.badge-success { background: var(--clr-success-bg); color: var(--clr-success); }
.badge-warning { background: var(--clr-warning-bg); color: var(--clr-warning); }
.badge-danger  { background: var(--clr-danger-bg);  color: var(--clr-danger); }
.badge-info    { background: var(--clr-info-bg);    color: var(--clr-info); }
.badge-neutral { background: var(--clr-neutral-100); color: var(--clr-neutral-600); }

/* --- Alerts / Toast --- */
.alert {
    padding: var(--sp-3) var(--sp-4);
    border-radius: var(--radius-md);
    font-size: var(--fs-sm);
    display: flex;
    align-items: flex-start;
    gap: var(--sp-3);
    border-left: 4px solid;
}
.alert-success { background: var(--clr-success-bg); border-color: var(--clr-success); color: #065F46; }
.alert-warning { background: var(--clr-warning-bg); border-color: var(--clr-warning); color: #92400E; }
.alert-danger  { background: var(--clr-danger-bg);  border-color: var(--clr-danger);  color: #991B1B; }
.alert-info    { background: var(--clr-info-bg);    border-color: var(--clr-info);    color: #1E40AF; }

/* --- Modal --- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}
.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: #FFFFFF;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.95) translateY(10px);
    transition: transform var(--transition-spring);
}
.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--sp-5) var(--sp-6);
    border-bottom: 1px solid var(--clr-neutral-200);
}

.modal-body { padding: var(--sp-6); }
.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--sp-3);
    padding: var(--sp-4) var(--sp-6);
    border-top: 1px solid var(--clr-neutral-200);
}

/* --- Loading Spinner --- */
.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--clr-neutral-200);
    border-top-color: var(--clr-primary-500);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}

.spinner-lg { width: 40px; height: 40px; border-width: 4px; }

/* --- Page Loading Overlay --- */
.page-loader {
    position: fixed;
    inset: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--sp-4);
    z-index: var(--z-overlay);
}

/* --- Toast Notifications --- */
.toast-container {
    position: fixed;
    top: var(--sp-4);
    right: var(--sp-4);
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
    z-index: var(--z-toast);
    max-width: 400px;
}

.toast {
    padding: var(--sp-3) var(--sp-4);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    font-size: var(--fs-sm);
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    animation: slideIn 0.3s ease forwards;
    background: #FFFFFF;
    border-left: 4px solid;
}
.toast-success { border-color: var(--clr-success); }
.toast-error   { border-color: var(--clr-danger); }
.toast-warning { border-color: var(--clr-warning); }
.toast-info    { border-color: var(--clr-info); }

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

/* --- Pagination --- */
.pagination {
    display: flex;
    align-items: center;
    gap: var(--sp-1);
}

.pagination-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 var(--sp-2);
    border: 1px solid var(--clr-neutral-300);
    border-radius: var(--radius-md);
    background: #FFFFFF;
    font-size: var(--fs-sm);
    font-weight: 500;
    color: var(--clr-neutral-700);
    transition: all var(--transition-fast);
    cursor: pointer;
}
.pagination-btn:hover {
    background: var(--clr-primary-50);
    border-color: var(--clr-primary-300);
    color: var(--clr-primary-600);
}
.pagination-btn.active {
    background: var(--clr-primary-500);
    border-color: var(--clr-primary-500);
    color: #FFFFFF;
}

/* --- Stat Cards (Dashboard) --- */
.stat-card {
    background: #FFFFFF;
    border-radius: var(--radius-lg);
    padding: var(--sp-5);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: flex-start;
    gap: var(--sp-4);
    transition: all var(--transition-base);
    border-left: 4px solid var(--clr-primary-500);
}
.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}
.stat-card .stat-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: var(--clr-primary-50);
    color: var(--clr-primary-500);
    font-size: var(--fs-xl);
    flex-shrink: 0;
}
.stat-card .stat-value {
    font-size: var(--fs-2xl);
    font-weight: 700;
    color: var(--clr-neutral-900);
    line-height: 1.2;
}
.stat-card .stat-label {
    font-size: var(--fs-sm);
    color: var(--clr-neutral-500);
    font-weight: 500;
}

/* ============================================================
   LAYOUT — Sidebar + Content
   ============================================================ */

.app-layout {
    display: flex;
    min-height: 100vh;
}

/* --- Sidebar --- */
.sidebar {
    width: var(--sidebar-width);
    background: linear-gradient(180deg, var(--clr-primary-800) 0%, var(--clr-primary-900) 100%);
    color: #FFFFFF;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: var(--z-sticky);
    transition: width var(--transition-base);
    overflow: hidden;
}

.sidebar-brand {
    padding: var(--sp-5) var(--sp-4);
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-brand img {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
}

.sidebar-brand-text {
    font-size: var(--fs-lg);
    font-weight: 700;
    letter-spacing: 0.04em;
    white-space: nowrap;
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: var(--sp-3) 0;
}

.sidebar-nav::-webkit-scrollbar { width: 4px; }
.sidebar-nav::-webkit-scrollbar-track { background: transparent; }
.sidebar-nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.2); border-radius: 4px; }

.nav-section-title {
    padding: var(--sp-3) var(--sp-4) var(--sp-1);
    font-size: var(--fs-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255,255,255,0.4);
    font-weight: 600;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    padding: var(--sp-2) var(--sp-4);
    color: rgba(255,255,255,0.7);
    font-size: var(--fs-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
    cursor: pointer;
    border-left: 3px solid transparent;
    white-space: nowrap;
}
.nav-item:hover {
    background: rgba(255,255,255,0.08);
    color: #FFFFFF;
}
.nav-item.active {
    background: rgba(255,255,255,0.12);
    color: #FFFFFF;
    border-left-color: #FFFFFF;
}

.nav-item-icon {
    width: 20px;
    text-align: center;
    flex-shrink: 0;
}

/* --- Main Content --- */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: margin-left var(--transition-base);
}

/* --- Top Header --- */
.top-header {
    height: var(--header-height);
    background: #FFFFFF;
    border-bottom: 1px solid var(--clr-neutral-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--sp-6);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--sp-4);
}

.hamburger {
    display: none;
    background: none;
    border: none;
    font-size: var(--fs-xl);
    color: var(--clr-neutral-700);
    padding: var(--sp-2);
    border-radius: var(--radius-md);
}
.hamburger:hover { background: var(--clr-neutral-100); }

.page-title {
    font-size: var(--fs-xl);
    font-weight: 700;
    color: var(--clr-neutral-900);
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--sp-4);
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    padding: var(--sp-2) var(--sp-3);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--transition-fast);
}
.user-info:hover { background: var(--clr-neutral-100); }

.user-avatar {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--clr-primary-400), var(--clr-primary-600));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FFFFFF;
    font-weight: 700;
    font-size: var(--fs-sm);
}

.user-details { text-align: right; }
.user-name { font-size: var(--fs-sm); font-weight: 600; color: var(--clr-neutral-800); }
.user-role { font-size: var(--fs-xs); color: var(--clr-neutral-500); text-transform: capitalize; }

/* --- Content Area --- */
.content-area {
    flex: 1;
    padding: var(--sp-6);
    max-width: var(--max-content-width);
    width: 100%;
    margin: 0 auto;
}

/* --- Footer --- */
.app-footer {
    padding: var(--sp-3) var(--sp-6);
    font-size: var(--fs-xs);
    color: var(--clr-neutral-500);
    text-align: center;
    border-top: 1px solid var(--clr-neutral-200);
    background: #FFFFFF;
}

/* ============================================================
   RESPONSIVE — Mobile & Tablet
   ============================================================ */

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        width: var(--sidebar-width);
    }
    .sidebar.open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }

    .hamburger {
        display: flex;
    }

    .content-area {
        padding: var(--sp-4);
    }

    .stat-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .data-table th,
    .data-table td {
        padding: var(--sp-2) var(--sp-3);
    }

    .modal {
        width: 95%;
        margin: var(--sp-4);
    }
}

@media (max-width: 480px) {
    .header-right .user-details { display: none; }
    .page-title { font-size: var(--fs-lg); }
}

/* ============================================================
   ANIMATIONS
   ============================================================ */

.fade-in {
    animation: fadeIn 0.3s ease forwards;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.scale-in {
    animation: scaleIn 0.3s var(--transition-spring) forwards;
}
@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.9); }
    to   { opacity: 1; transform: scale(1); }
}

/* --- Skeleton Loading --- */
.skeleton {
    background: linear-gradient(90deg,
        var(--clr-neutral-200) 25%,
        var(--clr-neutral-100) 50%,
        var(--clr-neutral-200) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}
@keyframes shimmer {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* --- Pulse --- */
.pulse {
    animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0.6; }
}

/* ============================================================
   GRID LAYOUTS
   ============================================================ */
.grid { display: grid; gap: var(--sp-6); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }
.grid-6 { grid-template-columns: repeat(6, 1fr); }

@media (max-width: 1200px) {
    .grid-4, .grid-5, .grid-6 { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 900px) {
    .grid-3, .grid-4, .grid-5, .grid-6 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
    .grid-2, .grid-3, .grid-4, .grid-5, .grid-6 { grid-template-columns: 1fr; }
}

/* ============================================================
   TAB COMPONENT
   ============================================================ */
.tab-bar {
    display: flex;
    border-bottom: 2px solid var(--clr-neutral-200);
    gap: 0;
    overflow-x: auto;
    -ms-overflow-style: none;
    scrollbar-width: none;
}
.tab-bar::-webkit-scrollbar { display: none; }

.tab-item {
    padding: var(--sp-3) var(--sp-5);
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--clr-neutral-500);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--transition-fast);
    background: none;
    border-top: none;
    border-left: none;
    border-right: none;
}
.tab-item:hover {
    color: var(--clr-primary-500);
    background: var(--clr-primary-50);
}
.tab-item.active {
    color: var(--clr-primary-600);
    border-bottom-color: var(--clr-primary-500);
}

.tab-panel { display: none; padding-top: var(--sp-4); }
.tab-panel.active { display: block; }

/* --- Sub-tabs / Pill tabs --- */
.pill-tabs {
    display: inline-flex;
    background: var(--clr-neutral-100);
    border-radius: var(--radius-full);
    padding: 3px;
    gap: 2px;
}
.pill-tab {
    padding: var(--sp-1) var(--sp-4);
    font-size: var(--fs-sm);
    font-weight: 500;
    color: var(--clr-neutral-600);
    border: none;
    background: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
}
.pill-tab:hover { color: var(--clr-neutral-800); }
.pill-tab.active {
    background: #FFFFFF;
    color: var(--clr-primary-600);
    box-shadow: var(--shadow-sm);
    font-weight: 600;
}

/* ============================================================
   HEADER SEARCH BAR
   ============================================================ */
.header-search {
    position: relative;
    width: 280px;
}
.header-search input {
    width: 100%;
    padding: var(--sp-2) var(--sp-4) var(--sp-2) 36px;
    font-size: var(--fs-sm);
    border: 1.5px solid var(--clr-neutral-200);
    border-radius: var(--radius-full);
    background: var(--clr-neutral-50);
    transition: all var(--transition-fast);
    outline: none;
}
.header-search input:focus {
    border-color: var(--clr-primary-400);
    background: #FFFFFF;
    box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.08);
}
.header-search .search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-size: var(--fs-sm);
    color: var(--clr-neutral-400);
    pointer-events: none;
}
.header-search .search-results {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background: #FFFFFF;
    border: 1px solid var(--clr-neutral-200);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    max-height: 300px;
    overflow-y: auto;
    z-index: var(--z-dropdown);
    display: none;
}
.header-search .search-results.show { display: block; }
.search-result-item {
    padding: var(--sp-2) var(--sp-4);
    font-size: var(--fs-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    transition: background var(--transition-fast);
}
.search-result-item:hover { background: var(--clr-primary-50); }
.search-result-item .result-gen { font-weight: 600; color: var(--clr-primary-600); min-width: 60px; }
.search-result-item .result-name { color: var(--clr-neutral-700); }

@media (max-width: 768px) {
    .header-search { display: none; }
}

/* ============================================================
   EMPTY STATE
   ============================================================ */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--sp-16) var(--sp-8);
    text-align: center;
}
.empty-state-icon {
    font-size: 3.5rem;
    margin-bottom: var(--sp-4);
    opacity: 0.6;
}
.empty-state-title {
    font-size: var(--fs-lg);
    font-weight: 700;
    color: var(--clr-neutral-700);
    margin-bottom: var(--sp-2);
}
.empty-state-subtitle {
    font-size: var(--fs-sm);
    color: var(--clr-neutral-500);
    max-width: 360px;
    line-height: 1.6;
}

/* ============================================================
   DETAIL / PROFILE LAYOUT
   ============================================================ */
.detail-header {
    display: flex;
    align-items: flex-start;
    gap: var(--sp-6);
    padding: var(--sp-6);
    background: #FFFFFF;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--sp-6);
}
.detail-avatar {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--clr-primary-400), var(--clr-primary-700));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FFFFFF;
    font-size: var(--fs-2xl);
    font-weight: 700;
    flex-shrink: 0;
}
.detail-info { flex: 1; }
.detail-name {
    font-size: var(--fs-xl);
    font-weight: 700;
    color: var(--clr-neutral-900);
    margin-bottom: var(--sp-1);
}
.detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-4);
    font-size: var(--fs-sm);
    color: var(--clr-neutral-500);
}
.detail-meta-item {
    display: flex;
    align-items: center;
    gap: var(--sp-1);
}
.detail-actions {
    display: flex;
    gap: var(--sp-2);
    flex-shrink: 0;
}

@media (max-width: 600px) {
    .detail-header { flex-direction: column; align-items: center; text-align: center; }
    .detail-meta { justify-content: center; }
    .detail-actions { width: 100%; justify-content: center; }
}

/* --- Info Grid (key-value pairs) --- */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--sp-4);
}
.info-item {}
.info-label {
    font-size: var(--fs-xs);
    font-weight: 600;
    color: var(--clr-neutral-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 2px;
}
.info-value {
    font-size: var(--fs-sm);
    font-weight: 500;
    color: var(--clr-neutral-800);
}

/* ============================================================
   TOOLBAR (Filter bar above tables)
   ============================================================ */
.toolbar {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    flex-wrap: wrap;
    margin-bottom: var(--sp-4);
}
.toolbar-search {
    position: relative;
    flex: 1;
    min-width: 200px;
    max-width: 360px;
}
.toolbar-search input {
    width: 100%;
    padding: var(--sp-2) var(--sp-3) var(--sp-2) 34px;
    font-size: var(--fs-sm);
    border: 1.5px solid var(--clr-neutral-300);
    border-radius: var(--radius-md);
    outline: none;
    transition: all var(--transition-fast);
}
.toolbar-search input:focus {
    border-color: var(--clr-primary-400);
    box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.1);
}
.toolbar-search .search-icon {
    position: absolute; left: 10px; top: 50%;
    transform: translateY(-50%);
    font-size: var(--fs-sm);
    color: var(--clr-neutral-400);
    pointer-events: none;
}
.toolbar-right {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    margin-left: auto;
}

@media (max-width: 600px) {
    .toolbar { flex-direction: column; align-items: stretch; }
    .toolbar-search { max-width: none; }
    .toolbar-right { margin-left: 0; justify-content: flex-end; }
}

/* ============================================================
   CHART CONTAINERS
   ============================================================ */
.chart-card {
    background: #FFFFFF;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--sp-5);
}
.chart-card-title {
    font-size: var(--fs-base);
    font-weight: 700;
    color: var(--clr-neutral-800);
    margin-bottom: var(--sp-4);
}
.chart-wrap {
    position: relative;
    width: 100%;
    max-height: 300px;
}

/* ============================================================
   WIZARD / STEPPER
   ============================================================ */
.stepper {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    margin-bottom: var(--sp-6);
    overflow-x: auto;
    padding-bottom: var(--sp-2);
}
.stepper-step {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    white-space: nowrap;
}
.stepper-circle {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--fs-sm);
    font-weight: 700;
    background: var(--clr-neutral-200);
    color: var(--clr-neutral-500);
    flex-shrink: 0;
    transition: all var(--transition-fast);
}
.stepper-label {
    font-size: var(--fs-sm);
    font-weight: 500;
    color: var(--clr-neutral-500);
}
.stepper-line {
    flex: 1;
    height: 2px;
    background: var(--clr-neutral-200);
    min-width: 24px;
}
.stepper-step.active .stepper-circle {
    background: var(--clr-primary-500);
    color: #FFFFFF;
}
.stepper-step.active .stepper-label { color: var(--clr-primary-600); font-weight: 600; }
.stepper-step.completed .stepper-circle {
    background: var(--clr-success);
    color: #FFFFFF;
}
.stepper-step.completed .stepper-label { color: var(--clr-success); }

/* ============================================================
   FILE UPLOAD ZONE
   ============================================================ */
.upload-zone {
    border: 2px dashed var(--clr-neutral-300);
    border-radius: var(--radius-lg);
    padding: var(--sp-10) var(--sp-8);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    background: var(--clr-neutral-50);
}
.upload-zone:hover, .upload-zone.dragover {
    border-color: var(--clr-primary-400);
    background: var(--clr-primary-50);
}
.upload-zone-icon { font-size: 2.5rem; margin-bottom: var(--sp-3); }
.upload-zone-text { font-size: var(--fs-sm); color: var(--clr-neutral-600); }
.upload-zone-hint { font-size: var(--fs-xs); color: var(--clr-neutral-400); margin-top: var(--sp-2); }

/* ============================================================
   QUICK ACTION CARDS (Dashboard)
   ============================================================ */
.action-card {
    background: #FFFFFF;
    border: 1px solid var(--clr-neutral-200);
    border-radius: var(--radius-lg);
    padding: var(--sp-4);
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    cursor: pointer;
    transition: all var(--transition-fast);
}
.action-card:hover {
    border-color: var(--clr-primary-300);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}
.action-card-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--fs-lg);
    flex-shrink: 0;
}
.action-card-label {
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--clr-neutral-700);
}

/* ============================================================
   ALERT CARDS (Dashboard alerts)
   ============================================================ */
.alert-card {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    padding: var(--sp-3) var(--sp-4);
    background: #FFFFFF;
    border-radius: var(--radius-md);
    border-left: 4px solid;
    font-size: var(--fs-sm);
    margin-bottom: var(--sp-2);
}
.alert-card-warning { border-color: var(--clr-warning); }
.alert-card-danger { border-color: var(--clr-danger); }
.alert-card-info { border-color: var(--clr-info); }

/* ============================================================
   SUMMARY / BREAKDOWN TABLE
   ============================================================ */
.summary-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--fs-sm);
}
.summary-table td {
    padding: var(--sp-2) var(--sp-3);
    border-bottom: 1px solid var(--clr-neutral-100);
}
.summary-table td:first-child {
    color: var(--clr-neutral-600);
    font-weight: 500;
}
.summary-table td:last-child {
    text-align: right;
    font-weight: 600;
    color: var(--clr-neutral-800);
}
.summary-table tr.total td {
    border-top: 2px solid var(--clr-neutral-300);
    font-weight: 700;
    font-size: var(--fs-base);
    padding-top: var(--sp-3);
}

/* ============================================================
   FORM LAYOUT HELPERS
   ============================================================ */
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--sp-4);
}
.form-section-title {
    font-size: var(--fs-base);
    font-weight: 700;
    color: var(--clr-neutral-800);
    padding-bottom: var(--sp-2);
    border-bottom: 1px solid var(--clr-neutral-200);
    margin-bottom: var(--sp-4);
    margin-top: var(--sp-6);
}
.form-section-title:first-child { margin-top: 0; }
.form-actions {
    display: flex;
    gap: var(--sp-3);
    justify-content: flex-end;
    padding-top: var(--sp-6);
    border-top: 1px solid var(--clr-neutral-200);
    margin-top: var(--sp-6);
}

/* ============================================================
   STAT CARD VARIANTS
   ============================================================ */
.stat-card-success { border-left-color: var(--clr-success); }
.stat-card-success .stat-icon { background: var(--clr-success-bg); color: var(--clr-success); }
.stat-card-warning { border-left-color: var(--clr-warning); }
.stat-card-warning .stat-icon { background: var(--clr-warning-bg); color: var(--clr-warning); }
.stat-card-danger { border-left-color: var(--clr-danger); }
.stat-card-danger .stat-icon { background: var(--clr-danger-bg); color: var(--clr-danger); }
.stat-card-info { border-left-color: var(--clr-info); }
.stat-card-info .stat-icon { background: var(--clr-info-bg); color: var(--clr-info); }

/* ============================================================
   REPORT CARDS
   ============================================================ */
.report-card {
    background: #FFFFFF;
    border: 1px solid var(--clr-neutral-200);
    border-radius: var(--radius-lg);
    padding: var(--sp-5);
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
}
.report-card:hover {
    border-color: var(--clr-primary-300);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}
.report-card-icon {
    font-size: 1.5rem;
    margin-bottom: var(--sp-1);
}
.report-card-title {
    font-size: var(--fs-sm);
    font-weight: 700;
    color: var(--clr-neutral-800);
}
.report-card-desc {
    font-size: var(--fs-xs);
    color: var(--clr-neutral-500);
    line-height: 1.5;
}

/* ============================================================
   PROGRESS BAR
   ============================================================ */
.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--clr-neutral-200);
    border-radius: var(--radius-full);
    overflow: hidden;
}
.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--clr-primary-500), var(--clr-primary-400));
    border-radius: var(--radius-full);
    transition: width 0.5s ease;
}
.progress-bar-success .progress-bar-fill { background: linear-gradient(90deg, var(--clr-success), #34D399); }

/* ============================================================
   PRINT STYLES
   ============================================================ */
@media print {
    .sidebar, .top-header, .app-footer, .hamburger,
    .toolbar .btn, .toolbar-right, .pagination,
    .action-card, .toast-container { display: none !important; }
    .main-content { margin-left: 0 !important; }
    .content-area { padding: 0 !important; max-width: 100% !important; }
    .card { box-shadow: none !important; border: 1px solid #ddd; }
    .data-table thead { background: #f0f0f0 !important; color: #000 !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
    body { font-size: 11pt; }
}