:root {
    --bg-base: #030712; /* Extreme dark for depth */
    --bg-surface: rgba(17, 24, 39, 0.65);
    --bg-panel: rgba(31, 41, 55, 0.4);
    
    --primary: #6366f1; /* Indigo */
    --primary-hover: #4f46e5;
    --primary-glow: rgba(99, 102, 241, 0.5);
    
    --secondary: #ec4899; /* Pink */
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    
    --border-light: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(99, 102, 241, 0.3);
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-base);
    color: var(--text-primary);
    overflow-x: hidden;
    min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
}

/* Background 3D layer for Auth */
#vanta-bg {
    position: fixed;
    z-index: 0;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Utility */
.w-100 { width: 100%; }

/* Glassmorphism Classes */
.glass-panel {
    background: var(--bg-surface);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-light);
    border-radius: 20px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}
.glass-panel-dark {
    background: rgba(3, 7, 18, 0.7);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--border-light);
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* --- AUTH SCREEN --- */
.auth-screen {
    position: fixed;
    inset: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.auth-box {
    width: 100%;
    max-width: 420px;
    padding: 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.auth-box::before {
    content: '';
    position: absolute;
    top: -50px;
    left: -50px;
    width: 100px;
    height: 100px;
    background: var(--primary);
    filter: blur(80px);
    opacity: 0.5;
    z-index: -1;
}

.logo-large {
    font-family: var(--font-heading);
    font-size: 32px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
}
.logo-large i { color: var(--primary); filter: drop-shadow(0 0 10px var(--primary-glow)); }
.logo-large .pro {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.auth-box h2 { font-size: 24px; margin-bottom: 8px; }
.auth-subtitle { color: var(--text-secondary); font-size: 14px; margin-bottom: 30px; }

.input-group {
    position: relative;
    margin-bottom: 20px;
}
.input-group i {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 20px;
}
.input-group input {
    width: 100%;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-light);
    color: #fff;
    padding: 14px 14px 14px 45px;
    border-radius: 12px;
    outline: none;
    font-family: var(--font-body);
    font-size: 15px;
    transition: all 0.3s ease;
}
.input-group input:focus {
    border-color: var(--primary);
    background: rgba(0, 0, 0, 0.5);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15);
}

/* --- BUTTONS --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 12px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    border: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.btn:active { transform: scale(0.96); }

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #4f46e5);
    color: #fff;
    box-shadow: 0 4px 15px var(--primary-glow);
}
.btn-primary:hover {
    box-shadow: 0 8px 25px var(--primary-glow);
    transform: translateY(-2px);
}
.btn-sm { padding: 8px 16px; font-size: 13px; }

/* --- MAIN APP LAYOUT --- */
.app-container {
    display: flex;
    height: 100vh;
    overflow: hidden;
    background: radial-gradient(circle at 50% -20%, rgba(99, 102, 241, 0.15), transparent 60%);
}

.sidebar {
    width: 280px;
    height: 100vh;
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border-light);
    padding: 24px 16px;
    z-index: 5;
    overflow: visible;
    flex-shrink: 0;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s;
}

/* Collapsed Sidebar Styles */
.sidebar.collapsed {
    width: 80px;
    padding: 24px 10px;
}
.sidebar.collapsed .logo span, 
.sidebar.collapsed .nav-item span,
.sidebar.collapsed .user-info div,
.sidebar.collapsed .nav-item .toggle-icon {
    display: none !important;
}
.sidebar.collapsed .logo {
    justify-content: center;
    padding: 0;
}
.sidebar.collapsed .nav-item {
    justify-content: center;
    padding: 14px;
    position: relative;
}
.sidebar.collapsed .nav-item i {
    margin: 0;
}
.sidebar.collapsed .sidebar-bottom {
    flex-direction: column;
    padding: 10px;
    gap: 10px;
}
.sidebar.collapsed .user-info {
    justify-content: center;
    margin-right: 0;
}

/* Submenu Styles */
.submenu-list {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s;
    list-style: none;
    padding-left: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.submenu-list.open {
    max-height: 500px;
    padding-left: 36px;
    margin-top: 4px;
    margin-bottom: 8px;
}
.submenu-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
    border-radius: 8px;
    transition: all 0.2s ease;
}
.submenu-item:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.03);
}
.submenu-item.active {
    color: var(--primary) !important;
    font-weight: 600;
}

/* Collapsed Dropdown/Popover Popups */
.sidebar.collapsed .has-submenu {
    position: relative;
}
.sidebar.collapsed .has-submenu:hover .submenu-list,
.sidebar.collapsed .has-submenu.active-popup .submenu-list {
    position: absolute;
    left: 65px;
    top: 0;
    background: #111827;
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 8px;
    width: 200px;
    max-height: none;
    overflow: visible;
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
    z-index: 100;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.sidebar.collapsed .has-submenu:hover .submenu-item,
.sidebar.collapsed .has-submenu.active-popup .submenu-item {
    display: flex !important;
    padding: 8px 12px;
}

/* Badges */
.badge-beta, .badge-new {
    font-size: 8px;
    font-weight: 700;
    padding: 2px 5px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-left: auto;
    display: inline-block;
}
.badge-beta {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning) !important;
    border: 1px solid rgba(245, 158, 11, 0.2);
}
.badge-new {
    background: rgba(236, 72, 153, 0.15);
    color: var(--secondary) !important;
    border: 1px solid rgba(236, 72, 153, 0.2);
}

.nav-item .toggle-icon {
    margin-left: auto;
    transition: transform 0.3s;
    font-size: 16px !important;
}
.nav-item.open .toggle-icon {
    transform: rotate(180deg);
}

.sidebar .logo {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 40px;
    padding: 0 10px;
}
.sidebar .logo i { color: var(--primary); }
.sidebar .logo .pro { color: var(--secondary); }

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
    overflow-y: auto;
    margin-bottom: 20px;
    padding-right: 4px;
}
.nav-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 12px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}
.nav-item:hover {
    color: #fff;
    background: rgba(255,255,255,0.03);
}
.nav-item.active {
    color: #fff;
    background: linear-gradient(90deg, rgba(99, 102, 241, 0.15), transparent);
    border-left: 3px solid var(--primary);
    border-color: var(--border-light);
    border-left-color: var(--primary);
}
.nav-item i { font-size: 22px; }

.sidebar-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    background: rgba(0,0,0,0.2);
    border-radius: 16px;
    border: 1px solid var(--border-light);
    overflow: hidden;
    flex-shrink: 0;
    margin-top: auto;
}
.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    overflow: hidden;
    flex: 1;
    margin-right: 8px;
    min-width: 0;
}
.user-info img { width: 40px; height: 40px; border-radius: 10px; flex-shrink: 0; }
.user-info div { overflow: hidden; min-width: 0; }
.user-info h4 {
    font-size: 13px;
    margin-bottom: 2px;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    max-width: 135px;
    color: #fff;
    display: block;
}
.user-info p {
    font-size: 11px;
    color: var(--text-secondary);
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}

.logout-btn {
    background: transparent;
    border: none;
    color: var(--danger);
    font-size: 20px;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: 0.3s;
}
.logout-btn:hover { background: rgba(239, 68, 68, 0.1); }

/* --- TOPBAR --- */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.topbar {
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 40px;
    border-bottom: 1px solid var(--border-light);
    z-index: 4;
}

.search-bar {
    display: flex;
    align-items: center;
    background: rgba(0,0,0,0.3);
    border: 1px solid var(--border-light);
    padding: 10px 16px;
    border-radius: 12px;
    width: 350px;
    transition: 0.3s;
}
.search-bar:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(99,102,241,0.1); }
.search-bar i { color: var(--text-secondary); margin-right: 10px; font-size: 18px; }
.search-bar input {
    background: transparent; border: none; outline: none; color: #fff; width: 100%; font-family: var(--font-body);
}

.topbar-actions { display: flex; align-items: center; gap: 15px; }
.icon-btn {
    width: 40px; height: 40px;
    border-radius: 12px;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
    display: flex; align-items: center; justify-content: center;
    font-size: 20px;
    cursor: pointer;
    transition: 0.3s;
    position: relative;
}
.icon-btn:hover { color: #fff; border-color: rgba(255,255,255,0.2); }
.icon-btn .badge {
    position: absolute; top: -5px; right: -5px;
    background: var(--danger); color: #fff;
    font-size: 10px; font-weight: bold;
    width: 18px; height: 18px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
}

/* --- CONTENT AREA --- */
.content-wrapper {
    flex: 1;
    padding: 40px;
    overflow-y: auto;
    position: relative;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}
.page-header h1 { font-size: 28px; letter-spacing: -0.5px; }

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}
.stat-card {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
}
.stat-card::before {
    content: ''; position: absolute; top: 0; left: 0; width: 4px; height: 100%;
}
.stat-card.c-primary::before { background: var(--primary); }
.stat-card.c-success::before { background: var(--success); }
.stat-card.c-warning::before { background: var(--warning); }
.stat-card.c-danger::before { background: var(--danger); }

.stat-card:hover { transform: translateY(-5px); box-shadow: 0 15px 35px rgba(0,0,0,0.4); }

.stat-header { display: flex; justify-content: space-between; align-items: center; color: var(--text-secondary); font-size: 14px; font-weight: 500; }
.stat-icon {
    width: 40px; height: 40px; border-radius: 10px;
    display: flex; align-items: center; justify-content: center; font-size: 20px;
}
.c-primary .stat-icon { background: rgba(99, 102, 241, 0.1); color: var(--primary); }
.c-success .stat-icon { background: rgba(16, 185, 129, 0.1); color: var(--success); }
.c-warning .stat-icon { background: rgba(245, 158, 11, 0.1); color: var(--warning); }

.stat-value { font-family: var(--font-heading); font-size: 32px; font-weight: 700; letter-spacing: -1px; }

/* Charts & Tables Container */
.dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 24px;
}

.chart-container {
    padding: 24px;
    height: 400px;
    position: relative;
}

/* Modern Tables */
.table-container {
    padding: 24px;
    overflow-x: auto;
}
.table-header {
    display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px;
}
.table-header h3 { font-size: 18px; }

table { width: 100%; border-collapse: separate; border-spacing: 0; }
th {
    padding: 16px;
    text-align: left;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-light);
    white-space: nowrap;
}
td {
    padding: 16px;
    border-bottom: 1px solid var(--border-light);
    color: var(--text-primary);
    font-size: 14px;
    transition: background 0.2s;
    white-space: nowrap;
}
tr:hover td { background: rgba(255,255,255,0.02); }
tr:last-child td { border-bottom: none; }

.status-badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.status-success { background: rgba(16, 185, 129, 0.1); color: var(--success); border: 1px solid rgba(16,185,129,0.2); }
.status-danger { background: rgba(239, 68, 68, 0.1); color: var(--danger); border: 1px solid rgba(239,68,68,0.2); }
.status-warning { background: rgba(245, 158, 11, 0.1); color: var(--warning); border: 1px solid rgba(245,158,11,0.2); }

/* Animation Utils */
.fade-in { animation: fadeIn 0.4s cubic-bezier(0.4, 0, 0.2, 1); }
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 1024px) {
    .dashboard-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .sidebar { width: 80px; padding: 20px 10px; }
    .sidebar .logo span, .nav-item span, .user-info div, .search-bar input { display: none; }
    .sidebar .logo { justify-content: center; }
    .nav-item { justify-content: center; padding: 14px; }
    .nav-item i { margin: 0; }
    .sidebar-bottom { flex-direction: column; padding: 10px; gap: 10px; }
    .search-bar { width: 50px; justify-content: center; }
    .search-bar i { margin: 0; }
    .topbar { padding: 0 20px; }
    .content-wrapper { padding: 20px; }

    /* Mobile popup overrides */
    .sidebar .has-submenu {
        position: relative;
    }
    .sidebar .has-submenu:hover .submenu-list,
    .sidebar .has-submenu.active-popup .submenu-list {
        position: absolute;
        left: 65px;
        top: 0;
        background: #111827;
        border: 1px solid var(--border-light);
        border-radius: 12px;
        padding: 8px;
        width: 200px;
        max-height: none;
        overflow: visible;
        box-shadow: 0 10px 25px rgba(0,0,0,0.5);
        z-index: 100;
        display: flex !important;
        flex-direction: column;
        gap: 4px;
    }
    .sidebar .has-submenu:hover .submenu-item,
    .sidebar .has-submenu.active-popup .submenu-item {
        display: flex !important;
        padding: 8px 12px;
    }
}

select option {
    background: #111827;
    color: #f9fafb;
}

/* --- LIGHT THEME OVERRIDES --- */
body.light-theme {
    --bg-base: #f1f5f9;
    --bg-surface: rgba(255, 255, 255, 0.7);
    --bg-panel: rgba(241, 245, 249, 0.5);
    --primary: #4f46e5;
    --primary-hover: #3730a3;
    --primary-glow: rgba(79, 70, 229, 0.25);
    --secondary: #db2777;
    --success: #059669;
    --danger: #dc2626;
    --warning: #d97706;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --border-light: rgba(0, 0, 0, 0.08);
    --border-glow: rgba(79, 70, 229, 0.15);
}
body.light-theme .glass-panel-dark {
    background: rgba(255, 255, 255, 0.85);
    border-color: rgba(0, 0, 0, 0.08);
}
body.light-theme .nav-item.active {
    background: linear-gradient(90deg, rgba(79, 70, 229, 0.1), transparent);
    color: #4f46e5;
}
body.light-theme .nav-item {
    color: #475569;
}
body.light-theme .nav-item:hover {
    color: #0f172a;
    background: rgba(0,0,0,0.02);
}
body.light-theme input, body.light-theme select {
    color: #0f172a !important;
    background: rgba(255,255,255,0.8) !important;
    border-color: rgba(0,0,0,0.15) !important;
}
body.light-theme select option {
    background: #fff !important;
    color: #0f172a !important;
}
body.light-theme td, body.light-theme th {
    color: #0f172a !important;
}
body.light-theme tr:hover td {
    background: rgba(0,0,0,0.02);
}
body.light-theme .user-info h4 {
    color: #0f172a;
}
body.light-theme h1, body.light-theme h2, body.light-theme h3, body.light-theme h4, body.light-theme h5 {
    color: #0f172a !important;
}

body.light-theme .sidebar.collapsed .has-submenu:hover .submenu-list,
body.light-theme .sidebar.collapsed .has-submenu.active-popup .submenu-list,
body.light-theme .sidebar .has-submenu:hover .submenu-list,
body.light-theme .sidebar .has-submenu.active-popup .submenu-list {
    background: #ffffff;
    border-color: rgba(0, 0, 0, 0.08);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}
body.light-theme .submenu-item {
    color: #475569;
}
body.light-theme .submenu-item:hover {
    color: #0f172a;
    background: rgba(0,0,0,0.02);
}

/* --- DÖVİZ BANDI / TICKER --- */
.ticker-band {
    display: flex;
    gap: 20px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-light);
    padding: 10px 20px;
    border-radius: 12px;
    margin-bottom: 25px;
    font-size: 13px;
    overflow-x: auto;
    white-space: nowrap;
    align-items: center;
}
.ticker-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
}
.ticker-val {
    font-weight: 700;
    color: var(--secondary);
}
.ticker-up { color: var(--success); }
.ticker-down { color: var(--danger); }

/* --- MULTI-ITEM INVOICE TABLE --- */
.invoice-items-table {
    width: 100%;
    margin-top: 15px;
    margin-bottom: 15px;
    border-collapse: collapse;
}
.invoice-items-table th {
    padding: 8px;
    font-size: 12px;
    text-transform: uppercase;
}
.invoice-items-table td {
    padding: 6px 4px;
}
.invoice-items-table input, .invoice-items-table select {
    padding: 8px !important;
    font-size: 13px !important;
    border-radius: 8px !important;
    background: rgba(0, 0, 0, 0.3) !important;
    border: 1px solid var(--border-light) !important;
    color: #fff !important;
    outline: none;
}
.invoice-items-table input:focus, .invoice-items-table select:focus {
    border-color: var(--primary) !important;
    background: rgba(0, 0, 0, 0.5) !important;
}

/* --- MOCKUP CREDIT CARD FOR SANAL POS --- */
.credit-card-container {
    perspective: 1000px;
    width: 320px;
    margin: 0 auto 20px auto;
}
.credit-card-mockup {
    width: 100%;
    height: 180px;
    background: linear-gradient(135deg, #0f172a, #1e1b4b, #311042);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 16px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    color: #fff;
    position: relative;
    box-shadow: 0 15px 35px rgba(0,0,0,0.5), 0 0 15px rgba(99,102,241,0.25);
    transition: 0.5s ease;
    overflow: hidden;
}
.credit-card-mockup::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 80%);
    pointer-events: none;
}
.card-top-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.card-chip {
    width: 38px;
    height: 28px;
    background: linear-gradient(135deg, #f59e0b, #d97706);
    border-radius: 6px;
    position: relative;
    border: 1px solid rgba(0,0,0,0.1);
}
.card-chip::after {
    content: '';
    position: absolute;
    inset: 4px;
    border: 1px solid rgba(0,0,0,0.15);
    border-radius: 3px;
}
.card-brand-logo {
    font-size: 24px;
    font-weight: 800;
    font-style: italic;
    color: rgba(255,255,255,0.85);
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}
.card-num-row {
    font-family: 'Courier New', Courier, monospace;
    font-size: 20px;
    letter-spacing: 2px;
    text-align: center;
    color: #fff;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
    margin: 15px 0;
}
.card-bottom-row {
    display: flex;
    justify-content: space-between;
    align-items: end;
}
.card-meta-label {
    font-size: 8px;
    text-transform: uppercase;
    color: rgba(255,255,255,0.5);
    margin-bottom: 2px;
}
.card-meta-val {
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

/* --- CHEQUE & NOTE CARD STYLES --- */
.cek-senet-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
    margin-top: 20px;
}
.cek-card {
    padding: 20px;
    border: 1px solid var(--border-light);
    border-radius: 16px;
    background: var(--bg-surface);
    backdrop-filter: blur(16px);
    position: relative;
    overflow: hidden;
    transition: 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 15px;
}
.cek-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.15);
}
.cek-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.cek-card-title {
    font-size: 16px;
    font-weight: 700;
    color: #fff;
}
.cek-card-body {
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
}
.cek-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-light);
    padding-top: 12px;
}
.cek-amount {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
}

/* --- PRINT THEMES INVOICE OVERRIDES --- */
.invoice-theme-selector {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    background: rgba(255,255,255,0.02);
    padding: 10px;
    border-radius: 12px;
    border: 1px solid var(--border-light);
}

/* --- PRINT STYLES --- */
@media print {
    body {
        background: #fff !important;
        color: #000 !important;
    }
    .app-container, .auth-screen, #appModal {
        display: none !important;
    }
    #printContainer {
        display: block !important;
        padding: 40px;
        background: #fff !important;
        color: #000 !important;
        font-family: 'Inter', sans-serif;
    }
    #printContainer * {
        color: #000 !important;
        border-color: #ddd !important;
    }
    .print-header {
        display: flex;
        justify-content: space-between;
        margin-bottom: 40px;
        border-bottom: 2px solid #333;
        padding-bottom: 20px;
    }
    .print-logo {
        font-size: 28px;
        font-weight: 800;
        color: #000 !important;
    }
    .print-details {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 20px;
        margin-bottom: 40px;
    }
    .print-table {
        width: 100%;
        border-collapse: collapse;
        margin-bottom: 40px;
    }
    .print-table th {
        background: #f3f4f6 !important;
        border-bottom: 2px solid #000 !important;
        padding: 10px;
        font-size: 12px;
        color: #000 !important;
    }
    .print-table td {
        border-bottom: 1px solid #e5e7eb !important;
        padding: 10px;
        font-size: 13px;
        color: #000 !important;
    }
    .print-summary {
        margin-left: auto;
        width: 300px;
        display: grid;
        grid-template-columns: 1.5fr 1fr;
        gap: 10px;
        font-size: 14px;
        text-align: right;
    }
    .print-summary div {
        padding: 5px 0;
    }
    .print-summary .grand-total {
        font-weight: bold;
        font-size: 16px;
        border-top: 2px solid #000;
        padding-top: 10px;
    }
}

/* --- SETTINGS GRID & FORMS --- */
.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}
.settings-panel {
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.settings-panel h3 {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1px solid var(--border-light);
    padding-bottom: 12px;
    margin-bottom: 5px;
}
.settings-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.settings-group label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
}
.settings-group input, .settings-group textarea, .settings-group select {
    width: 100%;
    padding: 12px 14px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-light);
    color: #fff;
    border-radius: 10px;
    outline: none;
    font-family: var(--font-body);
    font-size: 14px;
    transition: 0.3s;
}
.settings-group input:focus, .settings-group textarea:focus, .settings-group select:focus {
    border-color: var(--primary);
    background: rgba(0, 0, 0, 0.5);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}
.license-status-card {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 16px;
    border-radius: 12px;
    background: rgba(255,255,255,0.02);
    border: 1px dashed var(--border-light);
}
.license-status-icon {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}

/* --- BULK IMPORT FILE UPLOAD ZONE --- */
.upload-dropzone {
    border: 2px dashed var(--border-light);
    border-radius: 16px;
    padding: 30px 20px;
    text-align: center;
    background: rgba(255, 255, 255, 0.01);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}
.upload-dropzone.dragover {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.08);
    box-shadow: 0 0 15px rgba(99, 102, 241, 0.2);
}
.upload-dropzone i {
    font-size: 40px;
    color: var(--primary);
    transition: transform 0.3s ease;
}
.upload-dropzone.dragover i {
    transform: translateY(-5px);
}
.upload-dropzone p {
    font-size: 13px;
    color: var(--text-secondary);
    margin: 0;
}
.upload-dropzone span {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.3);
}

/* --- BADGES FOR PREVIEW STATUS --- */
.badge-status {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 12px;
    font-size: 10px;
    font-weight: 600;
}
.badge-status-ok {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success) !important;
    border: 1px solid rgba(16, 185, 129, 0.2);
}
.badge-status-err {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger) !important;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* Mobile Sidebar Overlay & Drawer Layout */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(4px);
    z-index: 998;
}
.sidebar-overlay.active {
    display: block;
}

.mobile-menu-btn {
    display: none !important;
    background: rgba(255, 255, 255, 0.03) !important;
    border: 1px solid var(--border-light) !important;
    border-radius: 10px !important;
    width: 42px !important;
    height: 42px !important;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.mobile-close-btn {
    display: none !important;
}

body.mobile-menu-active {
    overflow: hidden !important;
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex !important;
    }
    .mobile-close-btn {
        display: flex !important;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 36px;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.05) !important;
        border: 1px solid var(--border-light) !important;
        color: var(--text-primary) !important;
        cursor: pointer;
        transition: all 0.2s ease;
    }
    .mobile-close-btn:hover {
        background: rgba(255, 255, 255, 0.15) !important;
    }
    body.light-theme .mobile-close-btn {
        background: rgba(0, 0, 0, 0.05) !important;
        border-color: rgba(0, 0, 0, 0.1) !important;
    }
    body.light-theme .mobile-close-btn:hover {
        background: rgba(0, 0, 0, 0.1) !important;
    }

    .sidebar {
        position: fixed !important;
        left: 0 !important;
        top: 0 !important;
        width: 280px !important;
        height: 100vh !important;
        z-index: 999 !important;
        transform: translateX(-100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 15px 0 35px rgba(0, 0, 0, 0.6);
        background: rgba(9, 13, 22, 0.95) !important;
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
        border-right: 1px solid var(--border-light) !important;
        overflow-y: auto !important;
    }
    
    body.light-theme .sidebar {
        background: rgba(255, 255, 255, 0.98) !important;
        box-shadow: 15px 0 35px rgba(0, 0, 0, 0.1) !important;
        border-right: 1px solid rgba(0, 0, 0, 0.08) !important;
    }

    .sidebar.open-mobile {
        transform: translateX(0) !important;
    }
    /* Show text labels inside mobile sidebar drawer */
    .sidebar .logo span, 
    .sidebar .nav-item span, 
    .sidebar .user-info div,
    .sidebar .nav-item .toggle-icon { 
        display: inline-block !important; 
    }
    .sidebar .logo { 
        justify-content: space-between !important; 
        padding: 0 !important;
    }
    .nav-item { 
        justify-content: flex-start !important; 
        padding: 14px 16px !important; 
    }
    .nav-item i { 
        margin-right: 14px !important; 
    }
    .sidebar-bottom { 
        flex-direction: row !important; 
        padding: 16px !important; 
        gap: 12px !important; 
    }
    .topbar {
        padding: 0 15px !important;
    }
    .search-bar {
        display: none !important;
    }
    #nav-toggle-sidebar {
        display: none !important;
    }

    .topbar-actions {
        gap: 8px !important;
    }
    .topbar-actions .btn span {
        display: none !important;
    }

    /* Override mobile hover popup and force accordion on mobile drawer */
    .sidebar .has-submenu {
        position: static !important;
    }
    .sidebar .submenu-list {
        display: flex !important;
        position: static !important;
        width: auto !important;
        box-shadow: none !important;
        border: none !important;
        background: transparent !important;
        padding-left: 0 !important;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    .sidebar .submenu-list.open {
        max-height: 500px !important;
        padding-left: 36px !important;
        margin-top: 4px;
        margin-bottom: 8px;
    }
    .sidebar .submenu-item {
        display: flex !important;
        padding: 10px 14px !important;
    }
}

/* --- CURRENCY CONVERTER WIDGET --- */
.converter-card {
    margin-top: 30px;
    padding: 24px;
}
.converter-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 10px;
}
.converter-header h3 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}
.converter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    align-items: flex-end;
}
.converter-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.converter-field label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}
.converter-input {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 12px 16px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    outline: none;
    transition: all 0.3s ease;
}
.converter-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}
.converter-select {
    background: var(--bg-surface);
    cursor: pointer;
}
.converter-result-box {
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 12px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    min-height: 84px;
}
.converter-result-val {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}
.converter-result-rate {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 4px;
}
.converter-rates-summary {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-light);
}
.rate-badge {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-light);
    border-radius: 10px;
    padding: 8px 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
}
.rate-badge span {
    font-weight: 600;
}
.rate-badge i {
    font-size: 1.1rem;
}
.ticker-refresh-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.25rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px;
    border-radius: 50%;
    transition: all 0.2s ease;
    margin-left: auto;
}
.ticker-refresh-btn:hover {
    color: var(--primary);
    background: rgba(255, 255, 255, 0.05);
    transform: rotate(180deg);
}
.ticker-refresh-btn:active {
    transform: rotate(360deg) scale(0.9);
}