/* ========================================
   CASHFLOW APP - MODERN UI DESIGN SYSTEM
   ======================================== */

/* ===== CSS VARIABLES ===== */
:root {
    /* Color Palette - Modern & Vibrant */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --primary-glow: rgba(99, 102, 241, 0.4);
    
    --secondary: #64748b;
    --secondary-dark: #475569;
    
    --success: #10b981;
    --success-dark: #059669;
    --success-light: #34d399;
    --success-glow: rgba(16, 185, 129, 0.4);
    
    --danger: #ef4444;
    --danger-dark: #dc2626;
    --danger-light: #f87171;
    --danger-glow: rgba(239, 68, 68, 0.4);
    
    --warning: #f59e0b;
    --warning-dark: #d97706;
    --warning-light: #fbbf24;
    
    --info: #06b6d4;
    --info-dark: #0891b2;
    --info-light: #22d3ee;
    
    /* Background Colors */
    --bg-body: #0f172a;
    --bg-card: #1e293b;
    --bg-card-hover: #334155;
    --bg-input: #334155;
    --bg-navbar: rgba(15, 23, 42, 0.95);
    
    /* Text Colors */
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    /* Borders & Shadows */
    --border-color: rgba(148, 163, 184, 0.1);
    --border-light: rgba(148, 163, 184, 0.2);
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -4px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 8px 10px -6px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.15);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --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);
    
    /* 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;
}

/* Light Mode Override (optional) */
[data-theme="light"] {
    --bg-body: #f1f5f9;
    --bg-card: #ffffff;
    --bg-card-hover: #f8fafc;
    --bg-input: #ffffff;
    --bg-navbar: rgba(255, 255, 255, 0.95);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --border-color: rgba(15, 23, 42, 0.1);
    --border-light: rgba(15, 23, 42, 0.15);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

/* ===== GLOBAL STYLES ===== */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    color-scheme: dark;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Main content grows to push footer down */
main {
    flex: 1;
}

/* ===== FORM INPUTS - SFONDO BIANCO ===== */
.form-control,
.form-select,
input.form-control,
select.form-select,
textarea.form-control,
.form-floating .form-control,
.form-floating .form-select {
    background: #ffffff !important;
    background-color: #ffffff !important;
    color: #1e293b !important;
    border: 2px solid #cbd5e1 !important;
    color-scheme: light !important;
}

.form-control:focus,
.form-select:focus,
input.form-control:focus,
select.form-select:focus {
    background: #ffffff !important;
    background-color: #ffffff !important;
    color: #1e293b !important;
    border-color: #6366f1 !important;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25) !important;
}

.form-control::placeholder {
    color: #64748b !important;
    opacity: 1 !important;
}

.form-select option {
    background: #ffffff !important;
    color: #1e293b !important;
}

/* Date inputs */
input[type="date"],
input[type="datetime-local"],
input[type="time"] {
    background: #ffffff !important;
    color: #1e293b !important;
    color-scheme: light !important;
}

/* Background Pattern */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse at top left, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at bottom right, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--space-4);
}

h1 { font-size: 2rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

.text-gradient {
    background: linear-gradient(135deg, var(--primary-light), var(--success));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== NAVBAR ===== */
.navbar {
    background: var(--bg-navbar) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: var(--space-3) 0;
    transition: var(--transition-base);
}

.navbar-brand {
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--text-primary) !important;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.navbar-brand i {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 1.75rem;
}

.navbar-nav .nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    padding: var(--space-2) var(--space-4) !important;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    position: relative;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--text-primary) !important;
    background: var(--bg-card);
}

.navbar-nav .nav-link i {
    margin-right: var(--space-2);
    font-size: 0.9em;
}

.dropdown-menu {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--space-2);
    margin-top: var(--space-2) !important;
    animation: dropdownFade 0.2s ease;
}

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

.dropdown-item {
    color: var(--text-secondary);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.dropdown-item:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.dropdown-divider {
    border-color: var(--border-color);
    margin: var(--space-2) 0;
}

/* ===== CARDS ===== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    overflow: hidden;
}

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

.card-header {
    background: transparent;
    border-bottom: 1px solid var(--border-color);
    padding: var(--space-5) var(--space-6);
}

.card-header .card-title {
    color: var(--text-primary);
    font-weight: 600;
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.card-body {
    padding: var(--space-6);
}

/* Stats Cards */
.stats-card {
    position: relative;
    overflow: hidden;
    border: none;
}

.stats-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.1;
    background-size: 200% 200%;
    animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.stats-card.primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

.stats-card.success {
    background: linear-gradient(135deg, var(--success) 0%, var(--success-dark) 100%);
}

.stats-card.danger {
    background: linear-gradient(135deg, var(--danger) 0%, var(--danger-dark) 100%);
}

.stats-card.warning {
    background: linear-gradient(135deg, var(--warning) 0%, var(--warning-dark) 100%);
}

.stats-card.info {
    background: linear-gradient(135deg, var(--info) 0%, var(--info-dark) 100%);
}

.stats-card.dark {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    border: 1px solid var(--border-color);
}

.stats-card .card-body {
    position: relative;
    z-index: 1;
}

.stats-card .stat-icon {
    position: absolute;
    right: var(--space-6);
    top: 50%;
    transform: translateY(-50%);
    font-size: 4rem;
    opacity: 0.2;
}

.stats-card h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--space-1);
}

.stats-card p {
    opacity: 0.9;
    margin: 0;
    font-size: 0.875rem;
}

/* ===== BUTTONS ===== */
.btn {
    font-weight: 500;
    padding: var(--space-2) var(--space-5);
    border-radius: var(--radius-md);
    border: none;
    transition: var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.4s, height 0.4s;
}

.btn:active::after {
    width: 200px;
    height: 200px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--primary-glow);
}

.btn-success {
    background: linear-gradient(135deg, var(--success), var(--success-dark));
    color: white;
    box-shadow: 0 4px 15px var(--success-glow);
}

.btn-success:hover {
    background: linear-gradient(135deg, var(--success-light), var(--success));
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--success-glow);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger), var(--danger-dark));
    color: white;
    box-shadow: 0 4px 15px var(--danger-glow);
}

.btn-danger:hover {
    background: linear-gradient(135deg, var(--danger-light), var(--danger));
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--danger-glow);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning), var(--warning-dark));
    color: #1e293b;
}

.btn-outline-primary {
    background: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
}

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

.btn-outline-secondary {
    background: transparent;
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
}

.btn-outline-secondary:hover,
.btn-outline-secondary.active {
    background: var(--bg-card-hover);
    border-color: var(--text-secondary);
    color: var(--text-primary);
}

.btn-secondary {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

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

.btn-sm {
    padding: var(--space-1) var(--space-3);
    font-size: 0.875rem;
}

.btn-lg {
    padding: var(--space-3) var(--space-8);
    font-size: 1.125rem;
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
}

/* Button Group */
.btn-group .btn {
    border-radius: 0;
}

.btn-group .btn:first-child {
    border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.btn-group .btn:last-child {
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* ===== FORMS LABELS & FLOATING ===== */
.form-floating > label {
    color: var(--text-muted);
    padding: var(--space-3) var(--space-4);
}

.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label {
    color: var(--primary);
    background: #ffffff;
    padding: 0 var(--space-2);
}

.form-label {
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: var(--space-2);
}

.form-text {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.form-check-input {
    background-color: var(--bg-input);
    border-color: var(--border-light);
}

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

.form-switch .form-check-input {
    height: 1.5rem;
    width: 3rem;
}

/* ===== TABLES ===== */
.table {
    color: var(--text-primary);
    margin: 0;
}

.table > :not(caption) > * > * {
    background: transparent;
    border-bottom-color: var(--border-color);
    padding: var(--space-4);
}

.table thead th {
    background: var(--bg-card-hover);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--border-color);
}

.table-dark thead {
    --bs-table-bg: var(--bg-card-hover);
}

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

.table tbody tr:hover {
    background: rgba(99, 102, 241, 0.05) !important;
}

.table-striped > tbody > tr:nth-of-type(odd) > * {
    background: rgba(255, 255, 255, 0.02);
}

/* ===== BADGES ===== */
.badge {
    font-weight: 500;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
}

.badge.bg-primary {
    background: var(--primary) !important;
}

.badge.bg-success {
    background: var(--success) !important;
}

.badge.bg-danger {
    background: var(--danger) !important;
}

.badge.bg-warning {
    background: var(--warning) !important;
    color: #1e293b !important;
}

.badge.bg-info {
    background: var(--info) !important;
}

.badge.bg-secondary {
    background: var(--secondary) !important;
}

/* Status Badges */
.badge-status {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
}

.badge-status::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

/* ===== ALERTS ===== */
.alert {
    border: none;
    border-radius: var(--radius-lg);
    padding: var(--space-4) var(--space-5);
    backdrop-filter: blur(10px);
}

.alert-success {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success-light);
    border-left: 4px solid var(--success);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger-light);
    border-left: 4px solid var(--danger);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning-light);
    border-left: 4px solid var(--warning);
}

.alert-info {
    background: rgba(6, 182, 212, 0.15);
    color: var(--info-light);
    border-left: 4px solid var(--info);
}

.alert-rosso {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.2), rgba(220, 38, 38, 0.3));
    color: white;
    border: 1px solid rgba(239, 68, 68, 0.3);
    animation: alertPulse 2s ease-in-out infinite;
}

@keyframes alertPulse {
    0%, 100% { box-shadow: 0 0 0 0 var(--danger-glow); }
    50% { box-shadow: 0 0 20px 5px var(--danger-glow); }
}

/* ===== MODALS ===== */
.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.modal-header {
    border-bottom-color: var(--border-color);
    padding: var(--space-5) var(--space-6);
}

.modal-title {
    color: var(--text-primary);
    font-weight: 600;
}

.modal-body {
    padding: var(--space-6);
    color: var(--text-secondary);
}

.modal-footer {
    border-top-color: var(--border-color);
    padding: var(--space-4) var(--space-6);
}

.btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

/* ===== SPECIAL COMPONENTS ===== */

/* Money Display */
.money-positive {
    color: var(--success) !important;
    font-weight: 600;
}

.money-negative {
    color: var(--danger) !important;
    font-weight: 600;
}

.money-large {
    font-size: 1.5rem;
    font-weight: 700;
}

/* Saldo Indicators */
.saldo-positivo {
    color: var(--success);
    font-weight: 700;
}

.saldo-negativo {
    color: var(--danger);
    font-weight: 700;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

.riga-negativa {
    background: rgba(239, 68, 68, 0.1) !important;
    border-left: 3px solid var(--danger);
}

.riga-positiva:hover {
    background: rgba(16, 185, 129, 0.05) !important;
}

/* Year/Month Selector */
.selector-group {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.selector-group .btn {
    min-width: 60px;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--space-10) var(--space-6);
}

.empty-state i {
    font-size: 4rem;
    color: var(--text-muted);
    margin-bottom: var(--space-4);
    opacity: 0.5;
}

.empty-state h5 {
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
}

/* Loading Spinner */
.spinner-border {
    color: var(--primary);
}

/* Tooltips */
.tooltip-inner {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: var(--radius-md);
    padding: var(--space-2) var(--space-3);
}

/* Progress Bars */
.progress {
    background: var(--bg-card-hover);
    border-radius: var(--radius-full);
    height: 8px;
    overflow: hidden;
}

.progress-bar {
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-full);
}

/* ===== PAGE HEADER ===== */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-8);
    flex-wrap: wrap;
    gap: var(--space-4);
}

.page-header h1 {
    font-size: 1.75rem;
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.page-header h1 i {
    color: var(--primary);
}

/* ===== FOOTER ===== */
footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: var(--space-6) 0;
    margin-top: auto;
}

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

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

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

::-webkit-scrollbar-track {
    background: var(--bg-body);
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-dark);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.3s ease forwards;
}

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

.slide-in-right {
    animation: slideInRight 0.3s ease forwards;
}

/* Stagger animations for lists */
.stagger-animation > * {
    opacity: 0;
    animation: fadeIn 0.3s ease forwards;
}

.stagger-animation > *:nth-child(1) { animation-delay: 0.05s; }
.stagger-animation > *:nth-child(2) { animation-delay: 0.1s; }
.stagger-animation > *:nth-child(3) { animation-delay: 0.15s; }
.stagger-animation > *:nth-child(4) { animation-delay: 0.2s; }
.stagger-animation > *:nth-child(5) { animation-delay: 0.25s; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .stats-card h3 {
        font-size: 1.5rem;
    }
    
    .selector-group {
        justify-content: center;
    }
    
    .btn-group {
        flex-wrap: wrap;
    }
}

/* ===== UTILITY CLASSES ===== */
.text-primary { color: var(--primary) !important; }
.text-success { color: var(--success) !important; }
.text-danger { color: var(--danger) !important; }
.text-warning { color: var(--warning) !important; }
.text-info { color: var(--info) !important; }
.text-muted { color: var(--text-muted) !important; }
.text-secondary { color: var(--text-secondary) !important; }

.bg-primary { background-color: var(--primary) !important; }
.bg-success { background-color: var(--success) !important; }
.bg-danger { background-color: var(--danger) !important; }
.bg-warning { background-color: var(--warning) !important; }
.bg-info { background-color: var(--info) !important; }

.border-primary { border-color: var(--primary) !important; }
.border-success { border-color: var(--success) !important; }
.border-danger { border-color: var(--danger) !important; }

.glow-primary { box-shadow: 0 0 20px var(--primary-glow); }
.glow-success { box-shadow: 0 0 20px var(--success-glow); }
.glow-danger { box-shadow: 0 0 20px var(--danger-glow); }

/* Glassmorphism effect */
.glass {
    background: rgba(30, 41, 59, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

/* ========================================
   SHARED LISTING & FORM COMPONENTS
   DRY - Don't Repeat Yourself
   ======================================== */

/* ===== STATS GRID (for listing pages) ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-card-hover) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.stat-card.primary {
    background: linear-gradient(135deg, #6366f1, #818cf8);
    border: none;
}

.stat-card.success {
    background: linear-gradient(135deg, #10b981, #34d399);
    border: none;
}

.stat-card.danger {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    border: none;
}

.stat-card.warning {
    background: linear-gradient(135deg, #f97316, #fb923c);
    border: none;
}

.stat-card.info {
    background: linear-gradient(135deg, #6366f1, #818cf8);
    border: none;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    opacity: 0.8;
}

/* ===== FILTER PILLS (year selector) ===== */
.filter-pills {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 2rem;
}

.filter-pills .btn {
    border-radius: var(--radius-full);
    padding: 0.5rem 1.25rem;
}

/* ===== FORM HEADER GRADIENTS ===== */
.form-header-danger {
    background: linear-gradient(135deg, #ef4444, #f87171);
}

.form-header-warning {
    background: linear-gradient(135deg, #f59e0b, #fbbf24);
}

.form-header-success {
    background: linear-gradient(135deg, #10b981, #34d399);
}

.form-header-primary {
    background: linear-gradient(135deg, #6366f1, #818cf8);
}

.form-header-orange {
    background: linear-gradient(135deg, #f97316, #fb923c);
}

/* ===== FORM HEADER SUBTITLE ===== */
.form-header-subtitle,
.form-header small {
    display: block;
    margin-top: 0.5rem;
    opacity: 0.9;
    font-size: 0.85rem;
    font-weight: 400;
}

/* ===== TABLE ROW HOVER ===== */
.data-row-hover {
    transition: all 0.15s ease;
}

.data-row-hover:hover {
    background: rgba(99, 102, 241, 0.05) !important;
}

/* ===== CARD HOVER EFFECT ===== */
.card-hover {
    transition: transform 0.2s;
}

.card-hover:hover {
    transform: translateY(-5px);
}

/* ===== BADGE SIZING ===== */
.badge-sm {
    font-size: 0.7rem;
    padding: 0.35em 0.65em;
}