/* Theme Variables */
:root {
    /* Dark Theme Default */
    --bg-primary: #0b0f19;
    --bg-secondary: #111827;
    --card-bg: rgba(23, 28, 41, 0.7);
    --border-color: rgba(255, 255, 255, 0.08);
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-light: rgba(99, 102, 241, 0.15);
    
    --success: #10b981;
    --success-light: rgba(16, 185, 129, 0.15);
    --success-hover: #059669;
    
    --danger: #ef4444;
    --danger-light: rgba(239, 68, 68, 0.15);
    --danger-hover: #dc2626;
    
    --warning: #f59e0b;
    --warning-light: rgba(245, 158, 11, 0.15);
    --warning-hover: #d97706;

    --cyan: #06b6d4;
    --cyan-light: rgba(6, 182, 212, 0.15);
    
    --card-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --sidebar-width: 260px;
    --glass-blur: blur(12px);
    --transition-speed: 0.25s;
}

.light-theme {
    --bg-primary: #f3f4f6;
    --bg-secondary: #ffffff;
    --card-bg: rgba(255, 255, 255, 0.85);
    --border-color: rgba(0, 0, 0, 0.08);
    --text-primary: #111827;
    --text-secondary: #4b5563;
    --text-muted: #9ca3af;
    
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --primary-light: rgba(79, 70, 229, 0.1);
    
    --success: #059669;
    --success-light: rgba(5, 150, 105, 0.1);
    
    --danger: #dc2626;
    --danger-light: rgba(220, 38, 38, 0.1);
    
    --warning: #d97706;
    --warning-light: rgba(217, 119, 6, 0.1);
    
    --cyan: #0891b2;
    --cyan-light: rgba(8, 145, 178, 0.1);
    
    --card-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.08);
    --glass-blur: blur(8px);
}

/* Reset and Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
}

/* App Layout */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 24px 16px;
    position: fixed;
    height: 100vh;
    z-index: 100;
    transition: background-color var(--transition-speed) ease, border-color var(--transition-speed) ease;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    padding: 0 8px 24px 8px;
    border-bottom: 1px solid var(--border-color);
}

.brand-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.brand-icon svg {
    width: 20px;
    height: 20px;
}

.sidebar-menu {
    margin-top: 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 10px;
    font-weight: 500;
    transition: all var(--transition-speed) ease;
}

.menu-item:hover {
    background-color: var(--primary-light);
    color: var(--primary);
}

.menu-item.active {
    background-color: var(--primary);
    color: #ffffff;
}

.menu-icon {
    width: 20px;
    height: 20px;
    stroke-width: 2;
}

.sidebar-footer {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.theme-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px;
    border-radius: 10px;
    background-color: var(--primary-light);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
}

.theme-btn:hover {
    filter: brightness(1.1);
}

.theme-btn svg {
    width: 18px;
    height: 18px;
}

/* Toggle icon state */
.dark-theme .theme-btn .moon-icon {
    display: none;
}
.light-theme .theme-btn .sun-icon {
    display: none;
}

.system-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-muted);
    justify-content: center;
}

.status-dot {
    width: 8px;
    height: 8px;
    background-color: var(--success);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--success);
}

/* Main Content Area */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 32px 40px;
    min-height: 100vh;
}

.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.header-title-container h1 {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 4px;
}

.current-date {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Sections Subtitle */
.section-subtitle {
    font-size: 16px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-secondary);
    margin: 24px 0 16px 0;
    border-left: 3px solid var(--primary);
    padding-left: 10px;
}

/* Content Sections */
.content-section {
    display: none;
    animation: fadeIn 0.4s ease;
}

.content-section.active {
    display: block;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 600;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    color: #fff;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.25);
}

.btn-primary:hover {
    box-shadow: 0 6px 16px rgba(99, 102, 241, 0.4);
    transform: translateY(-1px);
}

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

.btn-secondary:hover {
    background-color: var(--primary);
    color: #fff;
}

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

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

.btn-danger {
    background-color: var(--danger-light);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.btn-danger:hover {
    background-color: var(--danger);
    color: #fff;
}

.btn-text {
    background: none;
    border: none;
    color: var(--primary);
    cursor: pointer;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: 4px;
}

.btn-text:hover {
    background-color: var(--primary-light);
}

.btn-with-icon svg {
    width: 18px;
    height: 18px;
}

.w-100 {
    width: 100%;
}

/* Stat Cards Grid */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--card-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 20px;
    box-shadow: var(--card-shadow);
    transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.25);
}

.card-header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.card-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
}

.card-icon-container {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-icon-container svg {
    width: 18px;
    height: 18px;
}

/* Specific Service Icon Colors */
.wash-bg {
    background-color: var(--success-light);
    color: var(--success);
}

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

.cam-ppf-bg {
    background-color: var(--cyan-light);
    color: var(--cyan);
}

.total-bg {
    background-color: var(--warning-light);
    color: var(--warning);
}

.warning-bg {
    background-color: var(--warning-light);
    color: var(--warning);
}

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

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

.text-indigo { color: var(--primary); }
.text-cyan { color: var(--cyan); }
.text-warning { color: var(--warning); }

.card-value {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 8px;
}

.card-footer-inner {
    font-size: 12px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
}

.text-success { color: var(--success); }
.text-danger { color: var(--danger); }

/* License Plate styling */
.plate-badge {
    display: inline-flex;
    align-items: center;
    background-color: #ffffff;
    color: #111827;
    border: 1.5px solid #d1d5db;
    border-radius: 5px;
    font-family: 'Courier New', Courier, monospace, sans-serif;
    font-weight: 700;
    font-size: 13px;
    padding-right: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.12);
    overflow: hidden;
    letter-spacing: 0.5px;
}

.plate-tr {
    background-color: #003399;
    color: #ffffff;
    font-family: 'Outfit', sans-serif;
    font-size: 8px;
    font-weight: 700;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: center;
    padding: 3px 4px;
    margin-right: 8px;
    height: 100%;
    min-height: 24px;
}

/* Charts Grid */
.charts-grid {
    display: grid;
    grid-template-columns: 1.8fr 1.2fr;
    gap: 24px;
    margin-bottom: 28px;
}

@media (max-width: 1024px) {
    .charts-grid {
        grid-template-columns: 1fr;
    }
}

.chart-card {
    background: var(--card-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    box-shadow: var(--card-shadow);
}

.chart-card h3 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.chart-container {
    position: relative;
    height: 280px;
    width: 100%;
}

/* Tables & Lists */
.recent-transactions-card {
    background: var(--card-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    box-shadow: var(--card-shadow);
    margin-bottom: 24px;
}

.card-title-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.card-title-bar h3 {
    font-size: 17px;
    font-weight: 600;
}

.table-container {
    overflow-x: auto;
    width: 100%;
}

.transaction-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.transaction-table th {
    padding: 14px 16px;
    font-size: 11px;
    text-transform: uppercase;
    color: var(--text-muted);
    font-weight: 600;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-color);
}

.transaction-table td {
    padding: 14px 16px;
    font-size: 13.5px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.transaction-table tbody tr {
    transition: background-color var(--transition-speed) ease;
}

.transaction-table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

.light-theme .transaction-table tbody tr:hover {
    background-color: rgba(0, 0, 0, 0.01);
}

/* Badge styles */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 8px;
    font-size: 11px;
    font-weight: 600;
    border-radius: 6px;
}

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

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

.badge-wash {
    background-color: var(--success-light);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-wash-sub {
    background-color: var(--warning-light);
    color: var(--warning);
    border: 1px solid rgba(245, 158, 11, 0.3);
    margin-left: 6px;
    font-size: 10px;
    padding: 2px 6px;
}

.badge-detailing {
    background-color: var(--primary-light);
    color: var(--primary);
    border: 1px solid rgba(99, 102, 241, 0.3);
}

.badge-cam-ppf {
    background-color: var(--cyan-light);
    color: var(--cyan);
    border: 1px solid rgba(6, 182, 212, 0.3);
}

.badge-payment {
    background-color: var(--border-color);
    color: var(--text-secondary);
}

/* Status Debt Badges */
.badge-debt {
    background-color: var(--danger-light);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.badge-paid {
    background-color: var(--success-light);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.actions-cell {
    display: flex;
    gap: 8px;
}

.btn-icon-sm {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background-color: transparent;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
}

.btn-icon-sm:hover {
    background-color: var(--primary-light);
    color: var(--primary);
    border-color: var(--primary);
}

.btn-icon-sm.delete:hover {
    background-color: var(--danger-light);
    color: var(--danger);
    border-color: var(--danger);
}

.btn-icon-sm svg {
    width: 14px;
    height: 14px;
}

/* Filters Card */
.filter-card {
    background: var(--card-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 20px 24px;
    box-shadow: var(--card-shadow);
    margin-bottom: 24px;
}

.filter-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 16px;
}

@media (max-width: 768px) {
    .filter-row {
        grid-template-columns: 1fr;
    }
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.filter-group label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.filter-group input,
.filter-group select {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 10px 14px;
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    transition: border-color var(--transition-speed) ease;
}

.light-theme .filter-group input,
.light-theme .filter-group select {
    background-color: rgba(0, 0, 0, 0.02);
}

.filter-group input:focus,
.filter-group select:focus {
    border-color: var(--primary);
}

/* Categories Layout */
.categories-layout {
    display: grid;
    grid-template-columns: 1.2fr 1.8fr;
    gap: 24px;
}

@media (max-width: 768px) {
    .categories-layout {
        grid-template-columns: 1fr;
    }
}

.category-form-card,
.categories-list-card {
    background: var(--card-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    box-shadow: var(--card-shadow);
}

.category-form-card h3,
.categories-list-card h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
}

.form-group label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input,
.form-group select {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 12px;
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    transition: border-color var(--transition-speed) ease;
}

.light-theme .form-group input,
.light-theme .form-group select {
    background-color: rgba(0, 0, 0, 0.02);
}

.form-group input:focus,
.form-group select:focus {
    border-color: var(--primary);
}

/* Styling dropdown options explicitly */
select option {
    background-color: #111827;
    color: #f3f4f6;
}

.light-theme select option {
    background-color: #ffffff;
    color: #111827;
}

.category-lists-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.category-list-column h4 {
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
}

.category-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 400px;
    overflow-y: auto;
}

.category-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 13.5px;
}

.light-theme .category-item {
    background-color: rgba(0, 0, 0, 0.01);
}

.category-item span {
    font-weight: 500;
}

/* Settings & Backup Styles */
.settings-grid {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.settings-card {
    background: var(--card-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    box-shadow: var(--card-shadow);
}

.settings-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.settings-desc {
    font-size: 13.5px;
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.5;
}

.settings-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.action-card {
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    background-color: rgba(255, 255, 255, 0.01);
    display: flex;
    flex-direction: column;
}

.light-theme .action-card {
    background-color: rgba(0, 0, 0, 0.01);
}

.action-card h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 8px;
}

.action-card p {
    font-size: 12.5px;
    color: var(--text-secondary);
    margin-bottom: 20px;
    flex: 1;
    line-height: 1.4;
}

.file-upload-wrapper {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.danger-zone {
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.danger-zone h3 {
    color: var(--danger);
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    width: 90%;
    max-width: 550px;
    border-radius: 16px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    animation: modalSlideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    overflow: hidden;
}

@keyframes modalSlideIn {
    from { opacity: 0; transform: translateY(-30px); }
    to { opacity: 1; transform: translateY(0); }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: 17px;
    font-weight: 600;
}

.modal-close {
    font-size: 24px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color 0.2s;
}

.modal-close:hover {
    color: var(--text-primary);
}

#transaction-form {
    padding: 24px;
}

.form-group-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

@media (max-width: 500px) {
    .form-group-row {
        grid-template-columns: 1fr;
    }
}

/* Radio button style for selectors */
.type-selector,
.status-selector {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    padding: 6px;
    border-radius: 10px;
}

.light-theme .type-selector,
.light-theme .status-selector {
    background-color: rgba(0, 0, 0, 0.02);
}

.type-btn,
.status-btn {
    cursor: pointer;
    text-align: center;
    border-radius: 8px;
    padding: 10px;
    transition: all var(--transition-speed) ease;
    font-weight: 600;
    font-size: 13.5px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.type-btn input,
.status-btn input {
    display: none;
}

.type-btn:hover,
.status-btn:hover {
    background-color: rgba(255, 255, 255, 0.03);
}

.light-theme .type-btn:hover,
.light-theme .status-btn:hover {
    background-color: rgba(0, 0, 0, 0.02);
}

.type-income input:checked + span,
.status-paid input:checked + span,
.status-debt input:checked + span {
    color: #ffffff;
}

.type-income:has(input:checked) {
    background-color: var(--success);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
}

.type-expense:has(input:checked) {
    background-color: var(--danger);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.2);
}

.status-paid:has(input:checked) {
    background-color: var(--success);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
}

.status-debt:has(input:checked) {
    background-color: var(--warning);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.2);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 12px;
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
}

/* Toast Notification system */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 14px 20px;
    border-radius: 10px;
    font-size: 13.5px;
    font-weight: 500;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 250px;
    animation: toastSlideIn 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border-left: 4px solid var(--primary);
}

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

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

@keyframes toastSlideIn {
    from { opacity: 0; transform: translateX(50px); }
    to { opacity: 1; transform: translateX(0); }
}

.toast.fade-out {
    animation: toastFadeOut 0.3s forwards;
}

@keyframes toastFadeOut {
    to { opacity: 0; transform: translateY(20px); }
}

/* Sidebar Responsive adjustment */
@media (max-width: 768px) {
    .sidebar {
        width: 70px;
        padding: 24px 8px;
    }
    
    .sidebar-brand span,
    .menu-item span,
    .theme-btn span,
    .system-status span:last-child {
        display: none;
    }
    
    .sidebar-brand {
        padding: 0 0 16px 0;
        justify-content: center;
    }
    
    .menu-item {
        justify-content: center;
        padding: 12px;
    }
    
    .main-content {
        margin-left: 70px;
        padding: 24px 16px;
    }
}

/* ========================================================== */
/* Role Selection Screen & Custom Stuffs (NEW CSS RULES) */
/* ========================================================== */

.role-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 20px;
    background-image: radial-gradient(circle at 50% 50%, rgba(99, 102, 241, 0.15), transparent 60%);
}

.role-card {
    background: var(--card-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 40px;
    width: 100%;
    max-width: 520px;
    box-shadow: var(--card-shadow);
    text-align: center;
    animation: fadeIn 0.5s ease;
}

.brand-large {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 32px;
}

.brand-icon-lg {
    width: 64px;
    height: 64px;
    border-radius: 18px;
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    margin-bottom: 16px;
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.3);
}

.brand-icon-lg svg {
    width: 36px;
    height: 36px;
}

.brand-large h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 4px;
    letter-spacing: -0.5px;
}

.brand-large p {
    font-size: 13.5px;
    color: var(--text-secondary);
}

.role-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 12px;
}

@media (max-width: 480px) {
    .role-buttons {
        grid-template-columns: 1fr;
    }
}

.role-btn {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 18px;
    padding: 24px 16px;
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.light-theme .role-btn {
    background: rgba(0, 0, 0, 0.01);
}

.btn-icon-wrapper {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-speed) ease;
}

.btn-icon-wrapper svg {
    width: 24px;
    height: 24px;
}

.btn-staff .btn-icon-wrapper {
    background-color: var(--success-light);
    color: var(--success);
}

.btn-admin .btn-icon-wrapper {
    background-color: var(--primary-light);
    color: var(--primary);
}

.role-btn span {
    font-size: 16px;
    font-weight: 600;
}

.role-btn small {
    font-size: 11px;
    color: var(--text-secondary);
    line-height: 1.3;
}

.role-btn:hover {
    transform: translateY(-4px);
    border-color: var(--text-muted);
}

.btn-staff:hover {
    box-shadow: 0 10px 25px rgba(16, 185, 129, 0.15);
    border-color: var(--success);
}

.btn-admin:hover {
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.15);
    border-color: var(--primary);
}

.lock-btn:hover {
    background-color: var(--danger) !important;
    color: #ffffff !important;
    border-color: var(--danger) !important;
}

/* ==========================================================================
   MOBILE & TABLET RESPONSIVE OVERRIDES (iPhone Uyumlu Arayüz Geliştirmesi)
   ========================================================================== */
@media (max-width: 768px) {
    /* 1. App Layout Layout Structure Changes */
    .app-container {
        flex-direction: column;
    }

    /* 2. Responsive Top Bar Menu from Sidebar */
    .sidebar {
        width: 100% !important;
        height: auto !important;
        position: relative !important;
        padding: 16px 12px !important;
        border-right: none !important;
        border-bottom: 1px solid var(--border-color) !important;
    }
    
    .sidebar-brand {
        padding: 0 0 12px 0 !important;
        font-size: 20px !important;
    }

    .sidebar-menu {
        flex-direction: row !important;
        flex-wrap: wrap !important;
        margin-top: 12px !important;
        gap: 6px !important;
    }

    .menu-item {
        padding: 8px 12px !important;
        font-size: 13px !important;
        border-radius: 8px !important;
        flex: 1 1 auto;
        justify-content: center;
    }

    .sidebar-footer {
        display: none !important; /* Hide status/theme toggle from sidebar on mobile */
    }

    /* 3. Main content area margins reset */
    .main-content {
        margin-left: 0 !important;
        padding: 16px 12px !important;
    }

    .content-header {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 12px !important;
        margin-bottom: 16px !important;
    }

    .header-title-container h1 {
        font-size: 22px !important;
    }
    
    #header-actions-container {
        display: flex;
        flex-direction: column;
        gap: 8px;
        width: 100%;
    }
    
    #header-actions-container .btn {
        width: 100% !important;
        margin-right: 0 !important;
    }

    /* 4. Stat & Balance Cards Layout overrides to 1-column stack */
    .cards-grid {
        grid-template-columns: 1fr !important;
        gap: 12px !important;
        margin-bottom: 16px !important;
    }
    
    .stat-card {
        padding: 16px !important;
    }
    
    .card-value {
        font-size: 20px !important;
    }

    /* 5. Charts Stack */
    .charts-grid {
        grid-template-columns: 1fr !important;
        gap: 16px !important;
    }
    
    .chart-card {
        padding: 16px !important;
        height: 320px !important;
    }

    /* 6. Table & Containers horizontal scrollbar fallback */
    .table-container {
        overflow-x: auto !important;
        border-radius: 8px !important;
        -webkit-overflow-scrolling: touch;
    }
    
    .transaction-table th, .transaction-table td {
        padding: 8px 6px !important;
        font-size: 11px !important;
        white-space: nowrap;
    }
    
    /* 7. Transactions Filter overrides to vertical stack */
    .filter-row {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 10px !important;
    }
    
    .filter-group {
        width: 100% !important;
    }
    
    .filter-group select, 
    .filter-group input {
        width: 100% !important;
        font-size: 12px !important;
        padding: 8px 10px !important;
    }

    /* 8. Staff / Personel panel layout responsive updates */
    #personel-panel-section {
        padding: 16px 12px !important;
        height: auto !important;
    }
    
    #personel-panel-section .personel-header-bar {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 12px !important;
        margin-bottom: 16px !important;
    }
    
    #personel-panel-section .personel-header-bar h1 {
        font-size: 22px !important;
    }
    
    #personel-panel-section .categories-layout {
        grid-template-columns: 1fr !important;
        gap: 16px !important;
    }

    .category-form-card {
        padding: 16px !important;
    }

    /* 9. Startup Role Selection Card adjustments */
    .role-overlay {
        padding: 16px !important;
    }

    .role-card {
        width: 100% !important;
        padding: 24px 16px !important;
    }

    .role-buttons {
        grid-template-columns: 1fr !important;
        gap: 12px !important;
    }

    /* 10. Modals mobile screens viewport mapping */
    .modal-content {
        width: 95% !important;
        margin: 10px auto !important;
        border-radius: 12px !important;
    }
    
    #transaction-form {
        padding: 16px !important;
    }
    
    .form-group-row {
        grid-template-columns: 1fr !important;
        gap: 10px !important;
    }
}

/* ========================================================== */
/* Custom Time Picker Styles                                   */
/* ========================================================== */

.time-picker-wrapper {
    display: flex;
    align-items: center;
    gap: 6px;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 6px 10px;
    transition: border-color var(--transition-speed) ease;
}

.time-picker-wrapper:focus-within {
    border-color: var(--primary);
}

.light-theme .time-picker-wrapper {
    background-color: rgba(0, 0, 0, 0.02);
}

.time-picker-select {
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-size: 15px;
    font-weight: 600;
    font-family: 'Outfit', sans-serif;
    cursor: pointer;
    padding: 4px 2px;
    appearance: none;
    -webkit-appearance: none;
    text-align: center;
    min-width: 52px;
}

.time-picker-select option {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 15px;
}

.time-sep {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
    margin: 0 2px;
}

/* ========================================================== */
/* Mobile Anti-Zoom Fix                                        */
/* iOS/Android zoom when input focused → prevented by 16px+   */
/* ========================================================== */
@media (max-width: 768px) {
    input,
    select,
    textarea {
        font-size: 16px !important;
    }
}