/* ==========================================================================
   HORIZONGET DESIGN SYSTEM & GLOBAL STYLES
   ========================================================================== */

/* --- CSS Variables & Design Tokens --- */
:root[data-theme="dark"] {
    --bg-base: #080c14;
    --bg-surface: #0e1524;
    --bg-surface-glass: rgba(14, 21, 36, 0.75);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.16);

    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;

    /* Horizon Navy Blue — brightened for dark backgrounds */
    --primary-hsl: 219, 63%, 48%;
    --primary: hsl(var(--primary-hsl));
    --primary-light: hsl(219, 70%, 62%);
    --primary-dark: hsl(219, 63%, 36%);
    --primary-glow: rgba(46, 96, 203, 0.22);

    /* Horizon Amber Orange */
    --accent: #D4921A;
    --accent-glow: rgba(212, 146, 26, 0.22);

    --success: #10b981;
    --success-glow: rgba(16, 185, 129, 0.15);
    --warning: #f59e0b;
    --danger: #ef4444;
    --danger-glow: rgba(239, 68, 68, 0.15);

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);

    --glass-blur: blur(16px);
    --glass-shine: linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0) 100%);

    --invoice-paper-bg: #ffffff;
    --invoice-paper-text: #1f2937;
}

:root[data-theme="light"] {
    --bg-base: #f0f4f8;
    --bg-surface: #ffffff;
    --bg-surface-glass: rgba(255, 255, 255, 0.85);
    --border-color: rgba(30, 58, 110, 0.1);
    --border-hover: rgba(30, 58, 110, 0.2);

    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;

    /* Horizon Navy Blue — exact logo color for light backgrounds */
    --primary-hsl: 219, 56%, 28%;
    --primary: hsl(var(--primary-hsl));
    --primary-light: hsl(219, 58%, 42%);
    --primary-dark: hsl(219, 56%, 20%);
    --primary-glow: rgba(30, 58, 110, 0.12);

    /* Horizon Amber Orange */
    --accent: #C98120;
    --accent-glow: rgba(201, 129, 32, 0.15);

    --success: #059669;
    --success-glow: rgba(5, 150, 105, 0.1);
    --warning: #d97706;
    --danger: #dc2626;
    --danger-glow: rgba(220, 38, 38, 0.1);

    --shadow-sm: 0 2px 8px rgba(30, 58, 110, 0.06);
    --shadow-md: 0 8px 24px rgba(30, 58, 110, 0.10);
    --shadow-lg: 0 16px 48px rgba(30, 58, 110, 0.14);

    --glass-blur: blur(12px);
    --glass-shine: linear-gradient(135deg, rgba(255, 255, 255, 0.6) 0%, rgba(255, 255, 255, 0.2) 100%);

    --invoice-paper-bg: #ffffff;
    --invoice-paper-text: #1f2937;
}

/* --- Base & Reset --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s ease;
}
a:hover {
    color: var(--primary-light);
}

/* --- Custom Scrollbar --- */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-base);
}
::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--border-hover);
}

/* --- Layout Structures --- */
.app-container {
    min-height: 100vh;
    position: relative;
}

.app-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    min-height: 100vh;
}

@media (max-width: 1024px) {
    .app-layout {
        grid-template-columns: 1fr;
    }
    .app-sidebar {
        display: none; /* In a real mobile app we'd have a drawer, we will adapt for responsiveness */
    }
}

.app-content {
    padding: 40px;
    overflow-y: auto;
    max-height: 100vh;
}

@media (max-width: 768px) {
    .app-content {
        padding: 20px;
    }
}

/* --- Glassmorphism Card Style --- */
.glass {
    background: var(--bg-surface-glass);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    background-image: var(--glass-shine);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.glass:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-lg);
}

.card-padding {
    padding: 24px;
}

/* --- Sidebar Styling --- */
.app-sidebar {
    background: var(--bg-surface);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100vh;
    position: sticky;
    top: 0;
    padding: 24px;
}

.sidebar-header {
    margin-bottom: 32px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
}
.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: white;
    box-shadow: 0 4px 12px var(--primary-glow);
}
.logo-text span {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Horizon logo images */
.auth-logo-wrapper {
    display: flex;
    justify-content: center;
    margin-bottom: 8px;
}
.auth-logo-img {
    width: 160px;
    height: auto;
}
.sidebar-logo-img {
    width: 130px;
    height: auto;
    display: block;
    margin: 0 auto;
}

.user-profile-badge {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--border-color);
    padding: 12px;
    border-radius: 12px;
    margin-bottom: 24px;
}
.user-profile-badge .avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 0.9rem;
    box-shadow: var(--shadow-sm);
}
.user-profile-badge .user-info h4 {
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.2;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 140px;
}
.user-profile-badge .user-info span {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-grow: 1;
}

.nav-item {
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: 10px;
    cursor: pointer;
    text-align: left;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
.nav-item i {
    width: 18px;
    height: 18px;
}
.nav-item:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.03);
    padding-left: 20px;
}
.nav-item.active {
    color: white;
    background: var(--primary);
    box-shadow: 0 4px 15px var(--primary-glow);
}

.sidebar-footer {
    display: flex;
    flex-direction: column;
    gap: 12px;
    border-top: 1px solid var(--border-color);
    padding-top: 16px;
}

.theme-toggle, .logout-btn {
    background: transparent;
    border: none;
    outline: none;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    font-size: 0.9rem;
    border-radius: 8px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
}
.theme-toggle:hover, .logout-btn:hover {
    background: var(--border-color);
    color: var(--text-primary);
}

.theme-toggle i {
    width: 18px;
    height: 18px;
}
.theme-toggle .moon-icon {
    display: none;
}
[data-theme="light"] .theme-toggle .sun-icon {
    display: none;
}
[data-theme="light"] .theme-toggle .moon-icon {
    display: block;
}

/* --- Buttons Design --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: 10px;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    outline: none;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 12px var(--primary-glow);
}
.btn-primary:hover {
    background: var(--primary-light);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px var(--primary-glow);
}
.btn-primary:active {
    transform: translateY(0);
}

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

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

.btn-block {
    display: flex;
    width: 100%;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
    border-radius: 6px;
}

.btn-text-danger {
    background: transparent;
    border: none;
    color: var(--danger);
    font-size: 0.85rem;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
}
.btn-text-danger:hover {
    background: var(--danger-glow);
}

/* --- Forms & Inputs --- */
.input-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 16px;
}

.input-group label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}
.input-wrapper i {
    position: absolute;
    left: 14px;
    width: 18px;
    height: 18px;
    color: var(--text-muted);
}
.input-wrapper input, .input-wrapper select {
    padding-left: 44px;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
input[type="url"],
select,
textarea {
    width: 100%;
    padding: 10px 14px;
    background: rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 8px;
    outline: none;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

[data-theme="light"] input,
[data-theme="light"] select,
[data-theme="light"] textarea {
    background: rgba(255, 255, 255, 0.5);
}

input:focus, select:focus, textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}
@media (max-width: 640px) {
    .grid-2 {
        grid-template-columns: 1fr;
    }
}

.flex-col {
    display: flex;
    flex-direction: column;
}
.gap-2 { gap: 8px; }
.gap-4 { gap: 16px; }
.flex { display: flex; }
.flex-grow { flex-grow: 1; }
.justify-between { justify-content: space-between; }
.items-center { align-items: center; }
.mb-2 { margin-bottom: 8px; }
.mb-4 { margin-bottom: 16px; }
.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.py-4 { padding-top: 16px; padding-bottom: 16px; }
.py-5 { padding-top: 32px; padding-bottom: 32px; }
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }

/* --- Auth Overlay / Screen --- */
.auth-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(6, 10, 22, 0.92);
    backdrop-filter: blur(24px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.3s ease;
}

.auth-required .app-layout {
    filter: blur(8px);
    pointer-events: none;
}
.app-container:not(.auth-required) #auth-screen {
    opacity: 0;
    pointer-events: none;
    display: none;
}

.auth-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    width: 100%;
    max-width: 460px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.auth-header {
    text-align: center;
    margin-bottom: 32px;
}
.auth-header .logo {
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 8px;
}
.auth-subtitle {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-secondary);
}

.auth-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 24px;
}
.auth-tab-btn {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-secondary);
    padding: 12px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.2s ease;
    border-bottom: 2px solid transparent;
}
.auth-tab-btn.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.auth-form.hidden {
    display: none;
}

.auth-footer {
    text-align: center;
    margin-top: 32px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* --- Dashboard Specific Styles --- */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
}
.section-header h1 {
    font-size: 2rem;
    font-weight: 800;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 32px;
}
@media (max-width: 768px) {
    .metrics-grid {
        grid-template-columns: 1fr;
    }
}

.metric-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px;
}

.metric-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: 12px;
    font-size: 1.25rem;
}
.metric-icon.val-total {
    background: var(--primary-glow);
    color: var(--primary-light);
}
.metric-icon.val-paid {
    background: var(--success-glow);
    color: var(--success);
}
.metric-icon.val-due {
    background: var(--danger-glow);
    color: var(--danger);
}

.metric-data h3 {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.metric-value {
    display: block;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-primary);
    margin: 4px 0;
}
.metric-sub {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.dashboard-details {
    margin-top: 8px;
}

.grid-2-3 {
    display: grid;
    grid-template-columns: 2fr 1.2fr;
    gap: 24px;
}

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

/* --- Table Styling --- */
.table-container {
    overflow-x: auto;
}
.app-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}
.app-table th {
    padding: 12px 16px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    border-bottom: 1px solid var(--border-color);
}
.app-table td {
    padding: 16px;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}
.app-table tbody tr:last-child td {
    border-bottom: none;
}
.app-table tbody tr:hover td {
    background: rgba(255, 255, 255, 0.01);
}

/* --- Status Badges --- */
.status-badge {
    display: inline-flex;
    padding: 4px 8px;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 6px;
    text-transform: uppercase;
}
.status-badge.paid {
    background: var(--success-glow);
    color: var(--success);
}
.status-badge.outstanding {
    background: var(--danger-glow);
    color: var(--danger);
}

.company-preview-card {
    background: var(--border-color);
    padding: 16px;
    border-radius: 12px;
}

.quick-tips-card {
    background: var(--primary-glow);
    border: 1px solid var(--primary-glow);
    padding: 16px;
    border-radius: 12px;
}
.tip-header {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-light);
    margin-bottom: 6px;
}
.quick-tips-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* --- Invoice Workspace (Builder) --- */
.invoice-workspace {
    display: grid;
    grid-template-columns: 460px 1fr;
    gap: 32px;
    align-items: start;
}
@media (max-width: 1200px) {
    .invoice-workspace {
        grid-template-columns: 1fr;
    }
}

.panel-subtitle {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.1rem;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

.form-section {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 16px 0;
}
.form-label-bold {
    font-size: 0.95rem;
    font-weight: 600;
}

hr {
    border: 0;
    border-top: 1px solid var(--border-color);
}

/* Items Editor Inside Form */
.items-editor {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.item-row-edit {
    display: grid;
    grid-template-columns: 1.8fr 0.6fr 0.8fr auto;
    gap: 10px;
    align-items: end;
}
.item-row-edit .btn-text-danger {
    margin-bottom: 8px;
}

/* --- INVOICE PAPER (A4 Preview) --- */
.invoice-preview-container {
    position: sticky;
    top: 40px;
}

.preview-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 12px 12px 0 0;
    font-size: 0.85rem;
    font-weight: 500;
}

.invoice-paper-sheet {
    background: var(--invoice-paper-bg);
    color: var(--invoice-paper-text);
    padding: 40px;
    border-radius: 0 0 12px 12px;
    box-shadow: var(--shadow-lg);
    aspect-ratio: 1 / 1.414; /* A4 aspect ratio */
    width: 100%;
    position: relative;
    overflow: hidden;
    font-size: 0.85rem;
}

.invoice-watermark {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-45deg);
    font-size: 5rem;
    font-weight: 800;
    color: rgba(0, 0, 0, 0.02);
    pointer-events: none;
    text-transform: uppercase;
    letter-spacing: 10px;
}

.sheet-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.company-brand {
    display: flex;
    gap: 16px;
    max-width: 60%;
}

.invoice-logo-wrapper {
    width: 64px;
    height: 64px;
    border-radius: 12px;
    background: #f3f4f6;
    border: 1px solid #e5e7eb;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.invoice-logo-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.invoice-logo-wrapper .preview-initials {
    font-family: 'Outfit', sans-serif;
    font-size: 1.8rem;
    font-weight: 800;
    color: #4b5563;
}

.company-details-block h2 {
    font-size: 1.25rem;
    font-weight: 700;
    color: #111827;
    margin-bottom: 4px;
}
.company-details-block p {
    font-size: 0.75rem;
    color: #4b5563;
    line-height: 1.4;
}
.tax-registration-id {
    font-weight: 600;
    color: #374151;
    margin-top: 2px;
}

.invoice-identity-block {
    text-align: right;
}

.invoice-badge {
    background: #111827;
    color: white;
    padding: 6px 14px;
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    font-size: 1rem;
    letter-spacing: 1px;
    border-radius: 6px;
    margin-bottom: 12px;
    display: inline-block;
}

.meta-row {
    font-size: 0.75rem;
    margin-bottom: 4px;
}
.meta-label {
    color: #6b7280;
}
.meta-value {
    font-weight: 600;
    color: #111827;
}

.divider-line {
    height: 1px;
    background: #e5e7eb;
    margin: 24px 0;
}
.divider-line.mini {
    margin: 12px 0;
}

.sheet-addresses {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 24px;
    margin-bottom: 24px;
}

.sheet-subtitle {
    font-size: 0.75rem;
    color: #9ca3af;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.recipient-name {
    font-size: 0.95rem;
    font-weight: 700;
    color: #111827;
    margin-bottom: 4px;
}

.address-col p {
    font-size: 0.75rem;
    color: #4b5563;
    line-height: 1.4;
}

.tax-jurisdiction-box {
    background: #f9fafb;
    border: 1px solid #f3f4f6;
    padding: 12px;
    border-radius: 8px;
    height: fit-content;
}
.tax-jurisdiction-box p {
    font-weight: 600;
    color: #111827;
}
.badge-tag {
    display: inline-block;
    background: #dce8f5;
    color: #1E3A6E;
    font-size: 0.65rem;
    padding: 2px 6px;
    border-radius: 4px;
    margin-top: 6px;
}

.preview-items-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 24px;
}
.preview-items-table th {
    background: #f9fafb;
    border-bottom: 2px solid #e5e7eb;
    padding: 8px 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: #4b5563;
    text-align: left;
}
.preview-items-table td {
    padding: 10px 12px;
    border-bottom: 1px solid #f3f4f6;
    color: #374151;
    font-size: 0.8rem;
}
.preview-items-table tr:last-child td {
    border-bottom: none;
}
.text-right {
    text-align: right !important;
}

.sheet-footer-layout {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 32px;
    margin-top: 24px;
}

.payment-instructions-card {
    border-top: 1px solid #f3f4f6;
    padding-top: 16px;
}

.payment-notes-text {
    font-size: 0.7rem;
    color: #6b7280;
    line-height: 1.4;
    margin-bottom: 16px;
}

.payment-qr-block {
    display: flex;
    align-items: center;
    gap: 12px;
    background: #f9fafb;
    border: 1px solid #f3f4f6;
    padding: 10px;
    border-radius: 8px;
}

.qr-wrapper {
    background: white;
    padding: 4px;
    border: 1px solid #e5e7eb;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
}
#qrcode-canvas {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
}
#qrcode-canvas img {
    width: 64px !important;
    height: 64px !important;
}

.qr-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.qr-text strong {
    font-size: 0.75rem;
    color: #111827;
}
.qr-text span {
    font-size: 0.65rem;
    color: #6b7280;
    line-height: 1.2;
}

.summary-totals-card {
    display: flex;
    flex-direction: column;
    gap: 8px;
    background: #f9fafb;
    padding: 16px;
    border-radius: 8px;
    border: 1px solid #f3f4f6;
    height: fit-content;
}

.sum-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: #4b5563;
}
.grand-total-row {
    font-size: 0.95rem;
    font-weight: 800;
    color: #111827;
}

.sheet-bottom-note {
    text-align: center;
    font-size: 0.65rem;
    color: #9ca3af;
    margin-top: 40px;
    border-top: 1px solid #f3f4f6;
    padding-top: 12px;
}

/* --- Client Directory List Styling --- */
.grid-layout-sidebar {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 24px;
}
@media (max-width: 768px) {
    .grid-layout-sidebar {
        grid-template-columns: 1fr;
    }
}

.clients-list-scroller {
    max-height: 500px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.client-item-card {
    background: var(--border-color);
    border: 1px solid transparent;
    padding: 16px;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.client-item-card:hover {
    border-color: var(--primary);
    background: var(--primary-glow);
}
.client-item-info h4 {
    font-size: 0.95rem;
    margin-bottom: 2px;
}
.client-item-info p {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* --- Business Settings Logo Settings --- */
.logo-uploader-field {
    display: flex;
    align-items: center;
    gap: 20px;
}

.logo-preview-square {
    width: 80px;
    height: 80px;
    border-radius: 12px;
    background: var(--border-color);
    border: 2px dashed var(--border-hover);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}
.logo-preview-square img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.logo-preview-square span {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-muted);
}

.upload-controls {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.file-input {
    display: none;
}
.help-text {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Settings QR Sub Blocks */
.set-qr-block {
    display: flex;
    flex-direction: column;
    gap: 12px;
    background: var(--border-color);
    padding: 16px;
    border-radius: 12px;
    margin-top: 12px;
}

/* --- Global Modals (Share Modal) --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    z-index: 1100;
    display: flex;
    align-items: center;
    justify-content: center;
}
.modal-overlay.hidden {
    display: none;
}

.modal-content {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    width: 90%;
    max-width: 550px;
    border-radius: 16px;
    overflow: hidden;
    animation: modalSlide 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
}
.btn-close {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
}

.modal-body {
    padding: 24px;
}

.share-options-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}
@media (max-width: 480px) {
    .share-options-grid {
        grid-template-columns: 1fr;
    }
}

.share-option-card {
    background: var(--border-color);
    border: 1px solid transparent;
    padding: 20px;
    border-radius: 12px;
    cursor: pointer;
    text-align: left;
    outline: none;
    transition: all 0.2s ease;
}
.share-option-card i {
    width: 32px;
    height: 32px;
    margin-bottom: 12px;
}
.share-option-card.mail i {
    color: #3b82f6;
}
.share-option-card.whatsapp i {
    color: #10b981;
}
.share-option-card:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
}

.clipboard-box textarea {
    background: rgba(0, 0, 0, 0.2);
    resize: none;
}
.clipboard-input-row {
    display: flex;
    gap: 10px;
    align-items: end;
}

/* --- Toast notification --- */
.toast-notification {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    padding: 12px 24px;
    border-radius: 8px;
    z-index: 1200;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: toastSlide 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.toast-notification.hidden {
    display: none;
}

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

/* --- Animations --- */
@keyframes modalSlide {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes toastSlide {
    from {
        opacity: 0;
        transform: translateY(10px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ==========================================================================
   PRINT MEDIA STYLES (A4 INVOICE SHEET EXTRACTION)
   ========================================================================== */
/* ==========================================================================
   LANDING PAGE
   ========================================================================== */

#landing-page {
    min-height: 100vh;
    background: var(--bg-base);
    color: var(--text-primary);
    overflow-x: hidden;
}

/* Nav */
.landing-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(8, 12, 20, 0.85);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
}
[data-theme="light"] .landing-nav {
    background: rgba(240, 244, 248, 0.9);
}
.landing-nav-inner {
    max-width: 1140px;
    margin: 0 auto;
    padding: 14px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.landing-nav-logo { height: 44px; width: auto; }
.landing-nav-actions { display: flex; gap: 10px; align-items: center; }

/* Hero */
.hero-section {
    max-width: 1140px;
    margin: 0 auto;
    padding: 90px 32px 80px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}
@media (max-width: 900px) {
    .hero-section { grid-template-columns: 1fr; padding: 60px 24px 48px; }
    .hero-visual { display: none; }
}
.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary-glow);
    border: 1px solid var(--primary-glow);
    color: var(--primary-light);
    font-size: 0.82rem;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 20px;
    margin-bottom: 24px;
}
.hero-eyebrow i { width: 14px; height: 14px; }
.hero-title {
    font-family: 'Outfit', sans-serif;
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}
.hero-accent {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 36px;
    max-width: 480px;
}
.hero-cta-group { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 16px; }
.btn-hero-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: white;
    border: none;
    padding: 14px 28px;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 20px var(--primary-glow);
}
.btn-hero-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 28px var(--primary-glow); }
.btn-hero-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-hover);
    padding: 14px 24px;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
}
.btn-hero-outline:hover { background: var(--border-color); border-color: var(--primary); }
.hero-disclaimer { font-size: 0.78rem; color: var(--text-muted); }

/* Mock invoice card */
.hero-visual { display: flex; justify-content: center; }
.mock-invoice {
    background: #fff;
    border-radius: 12px;
    padding: 28px;
    width: 340px;
    box-shadow: 0 24px 60px rgba(0,0,0,0.35);
    color: #1f2937;
    font-size: 0.78rem;
    transform: rotate(2deg);
}
.mock-inv-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 16px; }
.mock-company { display: flex; align-items: center; gap: 10px; }
.mock-logo-sq { width: 32px; height: 32px; border-radius: 6px; background: linear-gradient(135deg, #1E3A6E 0%, #C98120 100%); flex-shrink: 0; }
.mock-inv-badge { background: #111827; color: #fff; font-size: 0.65rem; font-weight: 700; letter-spacing: 2px; padding: 5px 10px; border-radius: 4px; }
.mock-line { height: 7px; border-radius: 4px; background: #e5e7eb; }
.mock-line.w80 { width: 80%; }
.mock-line.w60 { width: 60%; }
.mock-line.w55 { width: 55%; }
.mock-line.w50 { width: 50%; }
.mock-line.w40 { width: 40%; }
.mock-line.w30 { width: 30%; }
.mock-line.w70 { width: 70%; }
.mt4 { margin-top: 4px; }
.mock-divider { height: 1px; background: #e5e7eb; margin: 12px 0; }
.mock-inv-meta { display: flex; justify-content: space-between; margin-bottom: 14px; }
.mock-inv-meta > div { width: 45%; }
.mock-table { margin-bottom: 14px; }
.mock-th, .mock-tr { display: flex; gap: 6px; padding: 5px 0; }
.mock-th { border-bottom: 1px solid #e5e7eb; margin-bottom: 4px; }
.mock-th span, .mock-tr span { flex: 1; height: 6px; border-radius: 3px; background: #d1d5db; }
.mock-th span { background: #9ca3af; }
.mock-tr span.w55 { flex: 2; }
.mock-tr span.w40 { flex: 1.5; }
.mock-tr span.w60 { flex: 2.5; }
.text-right { text-align: right; }
.mock-total-row { display: flex; justify-content: space-between; align-items: center; border-top: 2px solid #e5e7eb; padding-top: 10px; margin-bottom: 12px; font-size: 0.8rem; }
.mock-total-label { color: #6b7280; font-weight: 600; }
.mock-total-val { font-size: 1.1rem; font-weight: 800; color: #1E3A6E; }
.mock-qr-row { display: flex; align-items: center; gap: 10px; }
.mock-qr-box { width: 44px; height: 44px; border: 2px solid #e5e7eb; border-radius: 6px; padding: 4px; flex-shrink: 0; }
.mock-qr-inner { width: 100%; height: 100%; background: repeating-conic-gradient(#1E3A6E 0% 25%, #fff 0% 50%) 0 0 / 8px 8px; border-radius: 2px; }

/* Features strip */
.features-section {
    background: var(--bg-surface);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 64px 32px;
}
.features-grid {
    max-width: 1140px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}
@media (max-width: 768px) { .features-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .features-grid { grid-template-columns: 1fr; } }
.feature-item { text-align: center; }
.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px; height: 52px;
    border-radius: 14px;
    background: var(--primary-glow);
    color: var(--accent);
    margin: 0 auto 14px;
}
.feature-icon i { width: 24px; height: 24px; }
.feature-item h4 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.feature-item p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.6; }

/* Pricing section */
.pricing-section {
    max-width: 1140px;
    margin: 0 auto;
    padding: 80px 32px;
}
.pricing-header { text-align: center; margin-bottom: 56px; }
.pricing-header h2 { font-size: 2.2rem; font-weight: 800; font-family: 'Outfit', sans-serif; margin-bottom: 10px; }
.pricing-header p { font-size: 1rem; color: var(--text-secondary); margin-bottom: 28px; }
.billing-toggle { display: inline-flex; align-items: center; gap: 12px; }
.toggle-label { font-size: 0.9rem; color: var(--text-muted); font-weight: 500; transition: color 0.2s; }
.toggle-label.active { color: var(--text-primary); font-weight: 600; }
.toggle-switch {
    width: 44px; height: 24px;
    background: var(--border-hover);
    border: none; border-radius: 12px;
    cursor: pointer; position: relative;
    transition: background 0.25s;
}
.toggle-switch.toggled { background: var(--primary); }
.toggle-knob {
    position: absolute;
    top: 2px; left: 2px;
    width: 20px; height: 20px;
    background: white;
    border-radius: 50%;
    transition: left 0.25s;
}
.toggle-switch.toggled .toggle-knob { left: 22px; }
.save-badge {
    background: var(--accent-glow);
    color: var(--accent);
    font-size: 0.72rem;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 12px;
    border: 1px solid var(--accent-glow);
}

/* Pricing cards */
.pricing-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: start;
}
@media (max-width: 900px) { .pricing-cards-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; } }
.pricing-card {
    background: var(--bg-surface-glass);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 32px 28px;
    position: relative;
    transition: transform 0.2s, box-shadow 0.2s;
}
.pricing-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

/* Featured Pro card */
.pricing-card-pro {
    background: linear-gradient(160deg, hsl(219,63%,22%) 0%, hsl(219,63%,14%) 100%);
    border-color: var(--primary);
    box-shadow: 0 8px 32px rgba(46, 96, 203, 0.3);
    transform: translateY(-8px);
}
[data-theme="light"] .pricing-card-pro {
    background: linear-gradient(160deg, #1E3A6E 0%, #152B50 100%);
}
.pricing-card-pro .plan-features li { color: rgba(255,255,255,0.85); }
.pricing-card-pro .feat-no { opacity: 0.4; }
.pricing-card-pro .plan-name,
.pricing-card-pro .price-amount,
.pricing-card-pro .price-currency,
.pricing-card-pro .plan-tagline,
.pricing-card-pro .plan-trial-note { color: rgba(255,255,255,0.9); }
.pricing-card-pro .price-period { color: rgba(255,255,255,0.6); }

/* Business card */
.pricing-card-biz {
    background: var(--bg-surface);
    border-color: var(--border-hover);
}

.popular-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: var(--accent);
    color: white;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 20px;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.popular-badge i { width: 11px; height: 11px; }
.plan-name { font-size: 1.1rem; font-weight: 700; font-family: 'Outfit', sans-serif; margin-bottom: 10px; color: var(--text-primary); }
.price-block { display: flex; align-items: flex-end; gap: 2px; margin-bottom: 6px; }
.price-currency { font-size: 1.3rem; font-weight: 700; color: var(--text-primary); line-height: 2.2; }
.price-amount { font-size: 2.8rem; font-weight: 800; font-family: 'Outfit', sans-serif; color: var(--text-primary); line-height: 1; }
.price-period { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 6px; margin-left: 2px; }
.plan-tagline { font-size: 0.78rem; color: var(--text-muted); margin-bottom: 20px; }
.plan-trial-note { font-size: 0.72rem; color: var(--text-muted); text-align: center; margin-top: 10px; }

/* Plan CTA buttons */
.plan-cta {
    display: block;
    width: 100%;
    padding: 12px;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    margin-bottom: 24px;
    transition: transform 0.15s, box-shadow 0.15s;
}
.plan-cta:hover { transform: translateY(-1px); }
.plan-cta-free {
    background: var(--border-color);
    color: var(--text-primary);
    border: 1px solid var(--border-hover);
}
.plan-cta-free:hover { background: var(--border-hover); }
.plan-cta-pro {
    background: linear-gradient(135deg, var(--accent) 0%, #E8A830 100%);
    color: white;
    box-shadow: 0 4px 16px rgba(201,129,32,0.4);
}
.plan-cta-biz {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 16px var(--primary-glow);
}

/* Features list */
.plan-features { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.plan-features li { display: flex; align-items: center; gap: 9px; font-size: 0.87rem; color: var(--text-secondary); }
.plan-features li i { width: 15px; height: 15px; flex-shrink: 0; }
.feat-yes i { color: var(--accent); }
.feat-no { opacity: 0.45; }
.feat-no i { color: var(--text-muted); }

/* Countries strip */
.countries-section {
    text-align: center;
    padding: 40px 32px;
    border-top: 1px solid var(--border-color);
}
.countries-label { font-size: 0.8rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 16px; }
.countries-list { display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: center; font-size: 0.9rem; color: var(--text-secondary); font-weight: 500; }

/* Bottom CTA strip */
.landing-cta-section {
    text-align: center;
    padding: 80px 32px;
    background: var(--bg-surface);
    border-top: 1px solid var(--border-color);
}
.landing-cta-section h2 { font-size: 2rem; font-weight: 800; font-family: 'Outfit', sans-serif; margin-bottom: 10px; }
.landing-cta-section p { font-size: 1rem; color: var(--text-secondary); margin-bottom: 28px; }

/* Footer */
.landing-footer { border-top: 1px solid var(--border-color); padding: 28px 32px; }
.footer-inner { max-width: 1140px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer-logo { height: 32px; width: auto; }
.footer-copy { font-size: 0.8rem; color: var(--text-muted); }
.footer-links { display: flex; gap: 20px; }
.footer-links a { font-size: 0.85rem; color: var(--text-secondary); text-decoration: none; }
.footer-links a:hover { color: var(--primary); }

/* Auth modal close button */
.auth-modal-close {
    position: absolute;
    top: 16px; right: 16px;
    background: var(--border-color);
    border: none;
    width: 30px; height: 30px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    color: var(--text-secondary);
    transition: background 0.2s;
}
.auth-modal-close:hover { background: var(--border-hover); color: var(--text-primary); }

/* Plan banner in auth modal */
.auth-plan-banner {
    display: flex;
    align-items: center;
    gap: 7px;
    background: var(--accent-glow);
    border: 1px solid var(--accent-glow);
    color: var(--accent);
    font-size: 0.82rem;
    font-weight: 600;
    padding: 7px 14px;
    border-radius: 8px;
    margin-bottom: 10px;
    justify-content: center;
}
.auth-plan-banner i { width: 15px; height: 15px; }

/* --- Admin Panel --- */
.nav-item-admin {
    margin-top: auto;
    border-top: 1px solid var(--border-color);
    padding-top: 8px;
    color: var(--warning) !important;
}
.nav-item-admin i {
    color: var(--warning);
}
.admin-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(245, 158, 11, 0.12);
    color: var(--warning);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: 20px;
    padding: 6px 14px;
    font-size: 0.8rem;
    font-weight: 600;
}
.admin-rate-input {
    width: 100px;
    padding: 6px 10px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background: var(--bg-base);
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: border-color 0.2s;
}
.admin-rate-input:focus {
    outline: none;
    border-color: var(--primary);
}

@media print {
    body, html {
        background: white !important;
        color: black !important;
        height: auto;
    }
    
    /* Hide everything on screen */
    .no-print, 
    .app-sidebar, 
    .section-header, 
    .preview-actions, 
    .modal-overlay,
    .toast-notification,
    .invoice-form-panel {
        display: none !important;
    }
    
    /* Format structure for raw sheet printing */
    .app-layout {
        display: block !important;
        grid-template-columns: 1fr !important;
    }
    
    .app-content {
        padding: 0 !important;
        overflow: visible !important;
        max-height: none !important;
    }
    
    .content-section {
        display: block !important;
    }
    
    .invoice-workspace {
        display: block !important;
    }
    
    .invoice-preview-container {
        position: static !important;
        width: 100% !important;
    }

    .invoice-paper-sheet {
        box-shadow: none !important;
        border: none !important;
        padding: 0 !important;
        margin: 0 !important;
        width: 100% !important;
        height: auto !important;
        aspect-ratio: auto !important;
        background: white !important;
        color: black !important;
        page-break-inside: avoid;
    }

    /* Set A4 sizing */
    @page {
        size: A4 portrait;
        margin: 20mm;
    }
}