/* DIGITAL SEBA POS - MAIN STYLESHEET (Bangla Font + A4 1-Page Print + Entry Success Popups) */

:root {
    --font-bangla: 'Hind Siliguri', -apple-system, BlinkMacSystemFont, sans-serif;
    --primary-color: #006a4e; /* Bangladesh Green */
    --accent-red: #f42a41;    /* Bangladesh Red */
    --accent-gold: #f59e0b;
    --bg-dark: #0f172a;
    --card-dark: #1e293b;
    --border-dark: #334155;
    --text-light: #f8fafc;
    --text-muted: #94a3b8;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: var(--font-bangla);
}

.d-none {
    display: none !important;
}

body.dark-theme {
    background-color: var(--bg-dark);
    color: var(--text-light);
}

body.light-theme {
    background-color: #f1f5f9;
    color: #0f172a;
}

body.light-theme .app-header {
    background: #ffffff;
    border-bottom: 1px solid #cbd5e1;
    color: #0f172a;
}

body.light-theme .sidebar {
    background: #ffffff;
    border-right: 1px solid #cbd5e1;
}

body.light-theme .glass-card,
body.light-theme .pos-cart-panel,
body.light-theme .service-card,
body.light-theme .paywall-card,
body.light-theme .modal-box {
    background: #ffffff;
    border: 1px solid #cbd5e1;
    color: #0f172a;
}

/* Header */
.app-header {
    height: 60px;
    background-color: var(--card-dark);
    border-bottom: 1px solid var(--border-dark);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
}

.brand {
    display: flex;
    align-items: center;
    font-size: 1.3rem;
    font-weight: 700;
}

.badge-tag {
    font-size: 0.75rem;
    background-color: var(--primary-color);
    color: #fff;
    padding: 2px 8px;
    border-radius: 12px;
    margin-left: 6px;
}

.portal-selector-pills {
    display: flex;
    background: rgba(0, 0, 0, 0.2);
    padding: 4px;
    border-radius: 8px;
}

.portal-btn {
    border: none;
    background: transparent;
    color: var(--text-muted);
    padding: 6px 14px;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    font-family: var(--font-bangla);
    font-size: inherit;
}

.portal-btn.active {
    background: var(--primary-color);
    color: #fff;
}

.portal-btn.active-admin {
    background: var(--accent-red);
    color: #fff;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn-icon {
    background: transparent;
    border: 1px solid var(--border-dark);
    color: var(--text-light);
    width: 36px;
    height: 36px;
    border-radius: 8px;
    cursor: pointer;
}

/* Notice Banner */
.notice-banner {
    background: linear-gradient(90deg, #1e293b, #0f172a);
    border-bottom: 1px solid var(--accent-gold);
    padding: 8px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.9rem;
}

.btn-close-notice {
    background: none;
    border: none;
    color: #fff;
    font-size: 1.2rem;
    cursor: pointer;
}

/* Layout */
.main-layout {
    display: flex;
    height: calc(100vh - 60px);
    overflow: hidden;
}

/* Sidebar */
.sidebar {
    width: 250px;
    background-color: var(--card-dark);
    border-right: 1px solid var(--border-dark);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block !important;
}

.sidebar-menu {
    padding: 16px 12px;
}

.menu-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 700;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
    padding-left: 8px;
}

.nav-item {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 16px;
    background: transparent;
    border: none;
    border-radius: 10px;
    color: var(--text-muted);
    font-weight: 600;
    cursor: pointer;
    margin-bottom: 6px;
    text-align: left;
    transition: all 0.25s ease;
    position: relative;
    font-size: 0.95rem;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.07);
    color: var(--text-light);
    transform: translateX(3px);
}

.nav-item.active {
    background: linear-gradient(135deg, #006a4e, #004d38);
    color: #ffffff;
    font-weight: 700;
    box-shadow: 0 4px 14px rgba(0, 106, 78, 0.35);
    border-left: 4px solid #4ade80;
}

.badge-count {
    position: absolute;
    right: 12px;
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #0f172a;
    font-size: 0.75rem;
    font-weight: 800;
    padding: 2px 8px;
    border-radius: 12px;
    box-shadow: 0 2px 6px rgba(245, 158, 11, 0.4);
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border-dark);
    background: rgba(0, 0, 0, 0.15);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.details .user-name {
    font-size: 0.85rem;
    font-weight: 600;
}

.details .user-role {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Content Area */
.content-area {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

/* Top Income & Cost Banner */
.top-income-cost-banner {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
}

.inc-widget-card {
    background: var(--card-dark);
    border: 1px solid var(--border-dark);
    padding: 12px 14px;
    border-radius: 10px;
    transition: transform 0.2s ease;
}

.inc-widget-card:hover {
    transform: translateY(-2px);
}

.inc-widget-card .w-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.inc-widget-card .w-val {
    font-size: 1.3rem;
    font-weight: 700;
}

.bg-primary-glow { border-left: 4px solid #3b82f6; }
.bg-info-glow { border-left: 4px solid #06b6d4; }
.bg-warning-glow { border-left: 4px solid #f59e0b; }
.bg-danger-glow { border-left: 4px solid #ef4444; }
.bg-success-glow { border-left: 4px solid #10b981; }

.highlight-card {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid #10b981;
}

/* POS Container */
.pos-container {
    display: grid;
    grid-template-columns: 1fr 390px;
    gap: 16px;
    height: calc(100vh - 175px);
}

.pos-catalog {
    display: flex;
    flex-direction: column;
}

.search-box {
    position: relative;
}

.search-box i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.search-box input {
    width: 100%;
    padding: 10px 12px 10px 38px;
    background: var(--card-dark);
    border: 1px solid var(--border-dark);
    border-radius: 8px;
    color: var(--text-light);

}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
    gap: 12px;
    overflow-y: auto;
    padding-right: 4px;
    margin-top: 10px;
}

.service-card {
    background: var(--card-dark);
    border: 1px solid var(--border-dark);
    border-radius: 10px;
    padding: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 110px;
}

.service-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.card-top-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 6px;
}

.srv-icon {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    background: rgba(0, 106, 78, 0.2);
    color: #10b981;
    display: flex;
    align-items: center;
    justify-content: center;
}

.edit-srv-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
}

.edit-srv-btn:hover {
    color: var(--accent-gold);
    background: rgba(255, 255, 255, 0.1);
}

.srv-title {
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.3;
}

.srv-prices {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 8px;
    font-size: 0.8rem;
}

.govt-tag {
    color: #38bdf8;
    background: rgba(56, 189, 248, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
}

.charge-tag {
    font-weight: 700;
    color: #10b981;
    font-size: 1rem;
}

/* Icon Picker Grid */
.icon-picker-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    margin-top: 6px;
}

.icon-picker-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-dark);
    color: var(--text-light);
    border-radius: 8px;
    padding: 8px;
    cursor: pointer;
    text-align: center;
    transition: all 0.2s;
}

.icon-picker-btn:hover, .icon-picker-btn.active {
    background: var(--primary-color);
    border-color: #10b981;
    color: #fff;
}

.icon-picker-btn i {
    font-size: 1.2rem;
    margin-bottom: 2px;
}

/* Cart Panel */
.pos-cart-panel {
    background: var(--card-dark);
    border: 1px solid var(--border-dark);
    border-radius: 12px;
    padding: 14px;
    display: flex;
    flex-direction: column;
}

.cart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.cart-header h3 {
    font-size: 1.1rem;
}

.customer-info-box {
    background: transparent;
    border: 1px solid var(--border-dark);
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 10px;
}

.row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.cart-items-wrapper {
    flex: 1;
    overflow-y: auto;
    border: 1px solid var(--border-dark);
    border-radius: 8px;
    padding: 8px;
    margin-bottom: 10px;
    background: transparent;
    max-height: 280px;
}

.empty-cart-msg {
    text-align: center;
    color: var(--text-muted);
    padding: 20px 10px;
}

.empty-cart-msg i {
    font-size: 1.8rem;
    margin-bottom: 6px;
}

.cart-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px;
    border-bottom: 1px solid var(--border-dark);
    background: transparent;
}

.cart-item-info {
    flex: 1;
}

.cart-item-title {
    font-size: 0.85rem;
    font-weight: 600;
}

.cart-item-sub {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.cart-qty-ctrl {
    display: flex;
    align-items: center;
    gap: 6px;
    margin: 0 10px;
}

.btn-qty {
    width: 22px;
    height: 22px;
    border-radius: 4px;
    border: 1px solid var(--border-dark);
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    cursor: pointer;
}

.cart-summary {
    background: transparent;
    border: 1px solid var(--border-dark);
    padding: 10px;
    border-radius: 8px;
}

.summary-line {
    display: flex;
    justify-content: space-between;
    margin-bottom: 4px;
    font-size: 0.85rem;
}

.grand-total {
    border-top: 1px solid var(--border-dark);
    padding-top: 6px;
    font-size: 1.1rem;
    font-weight: 700;
}

.grand-total {
    border-top: 1px solid var(--border-dark);
    padding-top: 6px;
    font-size: 1.1rem;
    font-weight: 700;
}

/* Utilities & Form Layouts */
.grid-2-col {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 20px;
}

.w-100 { width: 100% !important; }
.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: 4px !important; }
.mb-2 { margin-bottom: 8px !important; }
.mb-3 { margin-bottom: 12px !important; }
.mb-4 { margin-bottom: 16px !important; }
.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: 4px !important; }
.mt-2 { margin-top: 8px !important; }
.mt-3 { margin-top: 12px !important; }
.mt-4 { margin-top: 16px !important; }
.me-1 { margin-right: 4px !important; }
.me-2 { margin-right: 8px !important; }
.ms-1 { margin-left: 4px !important; }
.ms-2 { margin-left: 8px !important; }
.ms-3 { margin-left: 12px !important; }
.gap-2 { gap: 8px !important; }
.gap-3 { gap: 12px !important; }

/* Form Group & Controls */
.form-group {
    display: flex;
    flex-direction: column;
    width: 100%;
    margin-bottom: 12px;
}

.form-group label, .form-label, label.small-text {
    display: block;
    margin-bottom: 5px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
}

.form-control, .form-select, .form-control-sm, .form-select-sm {
    display: block;
    width: 100%;
    box-sizing: border-box;
    background-color: var(--bg-dark);
    border: 1px solid var(--border-dark);
    color: var(--text-light);
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 0.9rem;
    font-family: var(--font-bangla);
    transition: all 0.2s ease-in-out;
}

.form-control:focus, .form-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 106, 78, 0.25);
    background-color: #0d1527;
}

/* Button Base & Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 16px;
    font-size: 0.9rem;
    font-weight: 600;
    font-family: var(--font-bangla);
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn:hover {
    transform: translateY(-1px);
    filter: brightness(1.1);
}

.btn-primary {
    background: linear-gradient(135deg, #006a4e, #004d38);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(0, 106, 78, 0.3);
}

.btn-success {
    background: linear-gradient(135deg, #16a34a, #15803d);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(22, 163, 74, 0.3);
}

.btn-warning {
    background: linear-gradient(135deg, #d97706, #b45309);
    color: #ffffff;
}

.btn-danger {
    background: linear-gradient(135deg, #dc2626, #b91c1c);
    color: #ffffff;
}

.btn-outline-success {
    background: rgba(34, 197, 94, 0.1);
    color: #4ade80;
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.btn-outline-danger {
    background: rgba(239, 68, 68, 0.1);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.btn-outline-secondary {
    background: rgba(148, 163, 184, 0.1);
    color: #cbd5e1;
    border: 1px solid rgba(148, 163, 184, 0.3);
}

.btn-sm {
    padding: 5px 12px;
    font-size: 0.82rem;
    border-radius: 6px;
}

.btn-lg {
    padding: 12px 24px;
    font-size: 1rem;
    border-radius: 10px;
}

/* Paywall Lock Card */
.paywall-card {
    background: linear-gradient(135deg, #1e293b, #0f172a);
    border: 1px solid rgba(244, 42, 65, 0.4);
    border-radius: 16px;
    padding: 32px 24px;
    max-width: 640px;
    margin: 40px auto;
    text-align: center;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
}

.paywall-icon {
    width: 80px;
    height: 80px;
    background: rgba(244, 42, 65, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 2.2rem;
}

.payment-instruction-box {
    background: rgba(0, 0, 0, 0.3);
    border: 1px dashed var(--border-dark);
    border-radius: 12px;
    padding: 16px 20px;
    text-align: left;
    margin: 20px 0;
}

.payment-instruction-box ol {
    margin-left: 20px;
    margin-top: 8px;
    line-height: 1.6;
}

.trx-form-group {
    background: rgba(15, 23, 42, 0.6);
    padding: 16px;
    border-radius: 12px;
    border: 1px solid var(--border-dark);
    text-align: left;
}

/* Financial Ledger & Statement Cards */
.finance-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.fin-card {
    background: var(--card-dark);
    border: 1px solid var(--border-dark);
    border-radius: 14px;
    padding: 16px 20px;
    transition: all 0.25s ease;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
    position: relative;
    overflow: hidden;
}

.fin-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
}

.fin-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.fin-amount {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-light);
}

.bg-primary-glow { border-top: 4px solid #3b82f6; }
.bg-info-glow { border-top: 4px solid #06b6d4; }
.bg-warning-glow { border-top: 4px solid #f59e0b; }
.bg-danger-glow { border-top: 4px solid #ef4444; }
.bg-success-glow { border-top: 4px solid #10b981; }

.highlight-card {
    background: linear-gradient(135deg, rgba(0, 106, 78, 0.25), rgba(15, 23, 42, 0.95));
    border: 1px solid rgba(16, 185, 129, 0.4);
    border-top: 4px solid #10b981;
}

.highlight-card .fin-amount {
    color: #4ade80;
}

/* Premium Login & Registration Cards */
.login-modal-box {
    max-width: 440px;
    width: 90%;
    padding: 32px 28px;
    border-radius: 20px;
    background: linear-gradient(145deg, #1e293b, #0f172a);
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 30px rgba(0, 106, 78, 0.2);
}

.login-brand-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, #006a4e, #004d38);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    box-shadow: 0 8px 24px rgba(0, 106, 78, 0.5), inset 0 2px 4px rgba(255,255,255,0.2);
}

.login-title {
    font-size: 1.65rem;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: -0.5px;
    margin-bottom: 4px;
}

.input-with-icon {
    position: relative;
}

.input-with-icon .input-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.95rem;
    z-index: 2;
}

.input-with-icon .form-control {
    padding-left: 42px !important;
}

.btn-eye-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px 8px;
    z-index: 3;
}

.btn-eye-toggle:hover {
    color: var(--text-light);
}

.login-submit-btn {
    height: 48px;
    font-size: 1.05rem;
    border-radius: 12px;
    font-weight: 700;
    letter-spacing: 0.3px;
}

/* Service KPI Grid & Status Cards */
.service-kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 14px;
}

.srv-kpi-card {
    background: var(--card-dark);
    border: 1px solid var(--border-dark);
    border-radius: 14px;
    padding: 16px;
    transition: all 0.22s ease;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
}

.srv-kpi-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.35);
    border-color: rgba(255, 255, 255, 0.2);
}

.srv-kpi-title {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 6px;
    display: flex;
    align-items: center;
}

.srv-kpi-amount {
    font-size: 1.65rem;
    font-weight: 800;
    color: var(--text-light);
}

.bg-warning-glow {
    border-top: 3px solid #f59e0b !important;
}

.bg-info-glow {
    border-top: 3px solid #06b6d4 !important;
}

.bg-success-glow {
    border-top: 3px solid #10b981 !important;
}

.bg-secondary-glow {
    border-top: 3px solid #64748b !important;
}

/* Header Session Timer Badge */
.session-timer-badge {
    background: rgba(15, 23, 42, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 20px;
    padding: 5px 12px;
    font-size: 0.8rem;
    color: var(--text-light);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.05);
}

.session-divider {
    color: rgba(255, 255, 255, 0.2);
    font-size: 0.85rem;
}

/* ===== FLOATING WHATSAPP SUPPORT BUTTON ===== */
.whatsapp-float-wrap {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9990;
    display: flex;
    align-items: center;
    gap: 10px;
    flex-direction: row-reverse;
}

.whatsapp-float-btn {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45);
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.whatsapp-float-btn:hover {
    transform: scale(1.1) rotate(6deg);
    box-shadow: 0 12px 32px rgba(37, 211, 102, 0.6);
    color: white;
}

.whatsapp-pulse {
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    border: 2px solid #25D366;
    animation: waPulse 2s infinite;
    pointer-events: none;
}

@keyframes waPulse {
    0% { transform: scale(0.95); opacity: 0.8; }
    50% { transform: scale(1.25); opacity: 0; }
    100% { transform: scale(0.95); opacity: 0; }
}

.whatsapp-label {
    background: rgba(15, 23, 42, 0.92);
    border: 1px solid rgba(37, 211, 102, 0.4);
    color: #f8fafc;
    padding: 8px 14px;
    border-radius: 20px;
    font-size: 0.82rem;
    font-weight: 600;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    gap: 6px;
    backdrop-filter: blur(8px);
}

.whatsapp-hdr-btn {
    border-color: #25D366 !important;
    color: #25D366 !important;
    background: rgba(37, 211, 102, 0.1) !important;
}

.whatsapp-hdr-btn:hover {
    background: #25D366 !important;
    color: white !important;
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.modal-box {
    background: var(--card-dark);
    border: 1px solid var(--border-dark);
    border-radius: 12px;
    width: 90%;
    max-width: 600px;
    padding: 20px;
    max-height: 90vh;
    overflow-y: auto;
}

.invoice-modal-box {
    max-width: 850px;
    width: 95%;
    background: #1e293b !important;
    color: #ffffff !important;
    border-radius: 14px;
    padding: 20px;
    border: 1px solid #334155;
    box-shadow: 0 20px 40px rgba(0,0,0,0.8);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.close-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
}

/* PRINTABLE PAPER CONTAINER INSIDE MODAL PREVIEW */
.printable-invoice-paper {
    background: #ffffff !important;
    color: #000000 !important;
    border-radius: 10px;
    padding: 24px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    max-height: 75vh;
    overflow-y: auto;
    margin: 10px auto;
    display: block !important;
    min-height: 450px;
}

.thermal-slip {
    width: 280px;
    margin: 0 auto;
    background: #ffffff !important;
    color: #000000 !important;
    font-family: var(--font-bangla);
    font-size: 12px;
    line-height: 1.3;
}

.thermal-slip .header {
    text-align: center;
    border-bottom: 1px dashed #000;
    padding-bottom: 8px;
    margin-bottom: 8px;
}

.thermal-slip h2 {
    font-size: 16px;
    font-weight: 700;
    color: #006a4e;
    margin-bottom: 2px;
}

.thermal-slip table {
    width: 100%;
    font-size: 11px;
    border-collapse: collapse;
    margin: 6px 0;
}

.thermal-slip th, .thermal-slip td {
    padding: 3px 0;
    border-bottom: 1px dotted #ccc;
    color: #000;
}

.a4-memo {
    width: 100%;
    background: #ffffff !important;
    color: #000000 !important;
    padding: 12px 16px;
    border-radius: 6px;
    box-sizing: border-box;
    font-family: var(--font-bangla);
    display: block !important;
}

.a4-memo table {
    width: 100%;
    color: #000000 !important;
}

.a4-memo th, .a4-memo td {
    color: #000000 !important;
    padding: 8px;
}

/* General Buttons */
.btn {
    padding: 8px 16px;
    border-radius: 6px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary { background: #2563eb; color: #fff; }
.btn-success { background: var(--primary-color); color: #fff; }
.btn-warning { background: var(--accent-gold); color: #000; }
.btn-danger { background: var(--accent-red); color: #fff; }
.btn-outline-secondary { background: transparent; border: 1px solid var(--border-dark); color: var(--text-light); }
.btn-outline-success { background: transparent; border: 1px solid var(--primary-color); color: #10b981; }
.btn-outline-danger { background: transparent; border: 1px solid var(--accent-red); color: var(--accent-red); }

/* Logo Upload & Preview */
.logo-preview-wrapper {
    width: 120px;
    height: 65px;
    margin: 0 auto;
    border: 2px dashed var(--border-dark);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: rgba(0, 0, 0, 0.2);
}

.shop-logo-img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

/* Glass Tables & Cards */
.glass-card {
    background: var(--card-dark);
    border: 1px solid var(--border-dark);
    border-radius: 14px;
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(8px);
}

.glass-table-wrap {
    background: var(--card-dark);
    border: 1px solid var(--border-dark);
    border-radius: 14px;
    padding: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    color: var(--text-light);
    font-size: 0.92rem;
}

.table th {
    background: rgba(15, 23, 42, 0.9);
    color: var(--text-muted);
    font-weight: 700;
    padding: 12px;
    text-align: left;
    border-bottom: 2px solid var(--border-dark);
}

.table th:first-child {
    border-top-left-radius: 8px;
}

.table th:last-child {
    border-top-right-radius: 8px;
}

.table td {
    padding: 12px;
    border-bottom: 1px solid var(--border-dark);
    vertical-align: middle;
}

.table tbody tr {
    transition: background 0.2s ease;
}

.table tbody tr:hover {
    background: rgba(255, 255, 255, 0.04);
}

/* SUCCESS TOAST NOTIFICATION */
.toast-notification {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: #006a4e;
    color: #ffffff;
    padding: 14px 24px;
    border-radius: 10px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
    font-weight: 700;
    font-size: 1.05rem;
    z-index: 10000;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: slideUp 0.3s ease-out;
}

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

/* PRINT MEDIA STYLES - EXCLUSIVELY PRINTS ONLY THE MEMO PAPER (STRICT 1 SHEET FIT) */
@media print {
    @page {
        size: A4 portrait;
        margin: 0;
    }
    
    html, body {
        width: 210mm !important;
        height: 297mm !important;
        max-height: 297mm !important;
        margin: 0 !important;
        padding: 0 !important;
        background: #ffffff !important;
        color: #000000 !important;
        overflow: hidden !important;
    }

    /* HIDE EVERYTHING ON PAGE BY DEFAULT */
    body * {
        visibility: hidden !important;
    }

    /* SHOW ONLY THE INVOICE MEMO PAPER CONTAINER AND ITS CONTENTS */
    #invoicePaperContainer,
    #invoicePaperContainer * {
        visibility: visible !important;
    }

    /* POSITION THE PRINTABLE MEMO PAPER ABSOLUTELY AT TOP 5mm, 5mm */
    #invoicePaperContainer {
        position: absolute !important;
        left: 5mm !important;
        top: 5mm !important;
        width: 200mm !important;
        max-width: 200mm !important;
        max-height: 280mm !important;
        margin: 0 !important;
        padding: 0 !important;
        background: #ffffff !important;
        color: #000000 !important;
        box-shadow: none !important;
        border: none !important;
        border-radius: 0 !important;
        overflow: hidden !important;
        page-break-before: avoid !important;
        page-break-after: avoid !important;
        page-break-inside: avoid !important;
    }

    .thermal-slip {
        width: 78mm !important;
        margin: 0 auto !important;
        padding: 0 !important;
        color: #000 !important;
        font-family: var(--font-bangla);
    }

    .a4-memo {
        width: 100% !important;
        max-height: 275mm !important;
        margin: 0 !important;
        padding: 8px 12px !important;
        box-sizing: border-box !important;
        color: #000 !important;
        overflow: hidden !important;
        page-break-before: avoid !important;
        page-break-after: avoid !important;
        page-break-inside: avoid !important;
    }
}

/* =====================================================
   LOGIN / REGISTER SCREEN
   ===================================================== */

#posLoginScreen {
    position: fixed;
    inset: 0;
    background: #060d1a;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
#posLoginScreen.hidden { display: none !important; }

/* Animated BG */
.login-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}
.login-bg::before {
    content: '';
    position: absolute;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(0,106,78,0.18) 0%, transparent 70%);
    top: -200px; left: -100px;
    animation: bgFloat1 8s ease-in-out infinite alternate;
}
.login-bg::after {
    content: '';
    position: absolute;
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(244,42,65,0.12) 0%, transparent 70%);
    bottom: -150px; right: -100px;
    animation: bgFloat2 10s ease-in-out infinite alternate;
}
@keyframes bgFloat1 { from { transform: translate(0,0) scale(1); } to { transform: translate(60px,40px) scale(1.1); } }
@keyframes bgFloat2 { from { transform: translate(0,0) scale(1); } to { transform: translate(-40px,-60px) scale(1.15); } }

/* Floating particles */
.login-particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
}
.login-particles span {
    position: absolute;
    width: 4px; height: 4px;
    background: rgba(0,106,78,0.5);
    border-radius: 50%;
    animation: particleFloat linear infinite;
}
@keyframes particleFloat {
    0%   { transform: translateY(100vh) rotate(0deg); opacity: 0; }
    10%  { opacity: 1; }
    90%  { opacity: 1; }
    100% { transform: translateY(-100px) rotate(720deg); opacity: 0; }
}

/* Main auth card */
.auth-wrapper {
    position: relative;
    width: 100%;
    max-width: 480px;
    margin: 0 16px;
    animation: authCardIn 0.5s cubic-bezier(0.34,1.56,0.64,1);
}
@keyframes authCardIn {
    from { transform: translateY(40px) scale(0.95); opacity: 0; }
    to   { transform: translateY(0) scale(1); opacity: 1; }
}

/* Brand area at top */
.auth-brand {
    text-align: center;
    margin-bottom: 24px;
}
.auth-brand-logo {
    width: 70px; height: 70px;
    background: linear-gradient(135deg, #004d38, #006a4e, #00a86b);
    border-radius: 22px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    color: #fff;
    margin-bottom: 12px;
    box-shadow: 0 0 50px rgba(0,106,78,0.5), 0 0 0 1px rgba(0,106,78,0.3);
    position: relative;
}
.auth-brand-logo::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 26px;
    border: 1px solid rgba(0,106,78,0.25);
    animation: logoPulse 2s ease-in-out infinite;
}
@keyframes logoPulse {
    0%, 100% { transform: scale(1); opacity: 0.6; }
    50% { transform: scale(1.06); opacity: 1; }
}
.auth-brand-name {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #00e896, #006a4e);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}
.auth-brand-sub {
    font-size: 0.78rem;
    color: #64748b;
    margin-top: 4px;
}

/* Card glass */
.auth-card {
    background: rgba(15,28,52,0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(0,106,78,0.2);
    border-radius: 20px;
    padding: 32px 36px;
    box-shadow:
        0 32px 80px rgba(0,0,0,0.6),
        0 0 0 1px rgba(255,255,255,0.03),
        inset 0 1px 0 rgba(255,255,255,0.05);
}

/* Tab switcher Login / Register */
.auth-tabs {
    display: flex;
    background: rgba(255,255,255,0.04);
    border-radius: 12px;
    padding: 4px;
    margin-bottom: 28px;
    border: 1px solid rgba(255,255,255,0.06);
}
.auth-tab-btn {
    flex: 1;
    padding: 10px;
    border: none;
    border-radius: 9px;
    background: transparent;
    color: #64748b;
    font-size: 0.88rem;
    font-weight: 600;
    font-family: var(--font-bangla);
    cursor: pointer;
    transition: all 0.25s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
}
.auth-tab-btn.active {
    background: linear-gradient(135deg, #004d38, #006a4e);
    color: #fff;
    box-shadow: 0 4px 16px rgba(0,106,78,0.4);
}
.auth-tab-btn:hover:not(.active) { color: #e2e8f0; background: rgba(255,255,255,0.06); }

/* Tab panes */
.auth-pane { display: none; }
.auth-pane.active { display: block; animation: paneIn 0.3s ease; }
@keyframes paneIn { from { opacity: 0; transform: translateX(8px); } to { opacity: 1; transform: translateX(0); } }

/* Form fields */
.auth-field {
    margin-bottom: 16px;
}
.auth-label {
    font-size: 0.75rem;
    font-weight: 700;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 7px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.auth-input-wrap {
    position: relative;
}
.auth-input-wrap .aif-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: #475569;
    font-size: 13px;
    pointer-events: none;
    transition: color 0.2s;
}
.auth-input {
    width: 100%;
    background: rgba(255,255,255,0.04);
    border: 1.5px solid rgba(255,255,255,0.08);
    border-radius: 10px;
    padding: 12px 14px 12px 40px;
    color: #f1f5f9;
    font-size: 0.9rem;
    font-family: var(--font-bangla);
    outline: none;
    transition: all 0.2s;
}
.auth-input:focus {
    border-color: #006a4e;
    background: rgba(0,106,78,0.06);
    box-shadow: 0 0 0 3px rgba(0,106,78,0.15);
}
.auth-input:focus ~ .aif-icon,
.auth-input-wrap:focus-within .aif-icon { color: #006a4e; }
.auth-input::placeholder { color: #475569; }

/* Two column grid for register */
.auth-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

/* Error / success messages */
.auth-msg {
    border-radius: 10px;
    padding: 11px 14px;
    font-size: 0.82rem;
    display: none;
    align-items: center;
    gap: 9px;
    margin-bottom: 16px;
    font-weight: 500;
}
.auth-msg.show { display: flex; animation: msgIn 0.3s ease; }
@keyframes msgIn { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: translateY(0); } }
.auth-msg.error { background: rgba(244,42,65,0.1); border: 1px solid rgba(244,42,65,0.3); color: #f87171; }
.auth-msg.success { background: rgba(34,197,94,0.1); border: 1px solid rgba(34,197,94,0.3); color: #4ade80; }
.auth-msg.info { background: rgba(59,130,246,0.1); border: 1px solid rgba(59,130,246,0.3); color: #60a5fa; }

/* Main action button */
.auth-btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #004d38, #006a4e, #00875a);
    border: none;
    border-radius: 11px;
    color: #fff;
    font-size: 0.95rem;
    font-weight: 700;
    font-family: var(--font-bangla);
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    box-shadow: 0 4px 20px rgba(0,106,78,0.4);
    margin-top: 4px;
    position: relative;
    overflow: hidden;
}
.auth-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1), transparent);
    opacity: 0;
    transition: opacity 0.2s;
}
.auth-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0,106,78,0.55); }
.auth-btn:hover::before { opacity: 1; }
.auth-btn:active { transform: translateY(0); }
.auth-btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

/* Footer note */
.auth-footer {
    text-align: center;
    font-size: 0.72rem;
    color: #475569;
    margin-top: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}
.auth-footer a { color: #006a4e; text-decoration: none; }
.auth-footer a:hover { text-decoration: underline; }

/* Password toggle */
.auth-pass-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #475569;
    cursor: pointer;
    padding: 4px;
    font-size: 14px;
    transition: color 0.2s;
}
.auth-pass-toggle:hover { color: #006a4e; }

/* Strength bar */
.pass-strength-bar {
    height: 3px;
    border-radius: 3px;
    background: rgba(255,255,255,0.06);
    margin-top: 6px;
    overflow: hidden;
}
.pass-strength-fill {
    height: 100%;
    border-radius: 3px;
    transition: width 0.3s, background 0.3s;
    width: 0%;
    background: #ef4444;
}

/* Logout button in main app */
.logout-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border: 1px solid rgba(244,42,65,0.3);
    border-radius: 8px;
    background: rgba(244,42,65,0.08);
    color: #f42a41;
    font-size: 0.8rem;
    font-weight: 600;
    font-family: var(--font-bangla);
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}
.logout-pill:hover { background: rgba(244,42,65,0.18); border-color: #f42a41; }

/* Session chip in sidebar */
.session-chip {
    background: rgba(0,106,78,0.08);
    border: 1px solid rgba(0,106,78,0.2);
    border-radius: 10px;
    padding: 10px 12px;
    margin-top: 8px;
    font-size: 0.73rem;
    color: #64748b;
}
.session-chip .sc-name { font-weight: 700; color: #f1f5f9; font-size: 0.82rem; margin-bottom: 2px; }
.session-chip .sc-time { color: #00875a; font-weight: 600; }