@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600&display=swap');

:root {
    /* Themes variables - Light Theme by default */
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --accent-color: #6366f1; /* Indigo 500 */
    --accent-hover: #4f46e5;
    --accent-light: rgba(99, 102, 241, 0.1);
    --border-color: #e2e8f0;
    --border-focus: #a5b4fc;
    --card-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
    --sidebar-shadow: 4px 0 24px rgba(0, 0, 0, 0.02);
    --success: #10b981;
    --success-light: rgba(16, 185, 129, 0.1);
    --warning: #f59e0b;
    --warning-light: rgba(245, 158, 11, 0.1);
    --danger: #ef4444;
    --danger-light: rgba(239, 68, 68, 0.1);
    --info: #06b6d4;
    --info-light: rgba(6, 182, 212, 0.1);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body.dark-theme {
    --bg-primary: #080c14;
    --bg-secondary: #0f172a; /* Slate 900 */
    --bg-tertiary: #1e293b; /* Slate 800 */
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
    --accent-color: #818cf8; /* Indigo 400 */
    --accent-hover: #6366f1;
    --accent-light: rgba(129, 140, 248, 0.15);
    --border-color: #334155; /* Slate 700 */
    --border-focus: #6366f1;
    --card-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3), 0 8px 10px -6px rgba(0, 0, 0, 0.3);
    --sidebar-shadow: 4px 0 24px rgba(0, 0, 0, 0.2);
    --success: #34d399;
    --success-light: rgba(52, 211, 153, 0.15);
    --warning: #fbbf24;
    --warning-light: rgba(251, 191, 36, 0.15);
    --danger: #f87171;
    --danger-light: rgba(248, 113, 113, 0.15);
    --info: #22d3ee;
    --info-light: rgba(34, 211, 238, 0.15);
}

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

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 14px;
    line-height: 1.5;
    transition: background-color var(--transition-normal), color var(--transition-normal);
    min-height: 100vh;
    display: flex;
    overflow-x: hidden;
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
}

/* App Shell Layout */
#app-container {
    display: flex;
    width: 100vw;
    min-height: 100vh;
}

/* Sidebar Styling */
aside {
    width: 260px;
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: 24px;
    display: flex;
    flex-direction: column;
    box-shadow: var(--sidebar-shadow);
    transition: all var(--transition-normal);
    z-index: 100;
    flex-shrink: 0;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 40px;
}

.brand-logo {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-weight: 700;
    font-size: 1.4rem;
    box-shadow: 0 4px 10px rgba(99, 102, 241, 0.3);
}

.brand-name {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-grow: 1;
}

.nav-item a {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.nav-item a:hover {
    color: var(--accent-color);
    background-color: var(--bg-tertiary);
    transform: translateX(4px);
}

.nav-item.active a {
    color: #ffffff;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.2);
}

.nav-item.active a svg {
    stroke: #ffffff;
}

.nav-item svg {
    width: 20px;
    height: 20px;
    stroke: var(--text-muted);
    stroke-width: 2;
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: stroke var(--transition-fast);
}

.nav-item:hover svg {
    stroke: var(--accent-color);
}

.sidebar-footer {
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.theme-toggle-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px;
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-md);
}

.theme-label {
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.85rem;
    padding-left: 8px;
}

.theme-switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 26px;
}

.theme-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #cbd5e1;
    transition: .4s;
    border-radius: 34px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 6px;
}

body.dark-theme .slider {
    background-color: var(--border-color);
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    z-index: 2;
}

input:checked + .slider {
    background-color: var(--accent-color);
}

input:checked + .slider:before {
    transform: translateX(24px);
}

.slider-icons {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
}

.slider-icons svg {
    width: 12px;
    height: 12px;
    fill: currentColor;
}

/* Main Area Layout */
main {
    flex-grow: 1;
    padding: 40px;
    overflow-y: auto;
    height: 100vh;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

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

.header-title h1 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
}

.header-title p {
    color: var(--text-muted);
    margin-top: 4px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* UI Elements & Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--accent-color);
    color: #ffffff;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.3);
}

.btn-secondary {
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    border-color: var(--border-color);
}

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

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

.btn-danger:hover {
    background-color: #dc2626;
    box-shadow: 0 4px 14px rgba(239, 68, 68, 0.3);
}

.btn-icon {
    padding: 10px;
    border-radius: var(--radius-md);
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.btn-icon svg {
    width: 18px;
    height: 18px;
    stroke: currentColor;
    stroke-width: 2;
    fill: none;
}

/* View Containers */
.view-panel {
    display: none;
    flex-direction: column;
    gap: 30px;
    animation: fadeIn var(--transition-normal);
}

.view-panel.active {
    display: flex;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Dashboard Widgets */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.stat-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--card-shadow);
    transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-color);
}

.stat-details {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
}

.stat-value {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
}

.stat-trend {
    font-size: 0.8rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
}

.stat-trend.up { color: var(--success); }
.stat-trend.down { color: var(--danger); }

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon.primary { background-color: var(--accent-light); color: var(--accent-color); }
.stat-icon.success { background-color: var(--success-light); color: var(--success); }
.stat-icon.warning { background-color: var(--warning-light); color: var(--warning); }
.stat-icon.danger { background-color: var(--danger-light); color: var(--danger); }

.stat-icon svg {
    width: 24px;
    height: 24px;
    stroke: currentColor;
    stroke-width: 2;
    fill: none;
}

/* Dashboard Analytics Grid */
.dashboard-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 30px;
}

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

.card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--card-shadow);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.card-title {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 600;
}

.chart-container {
    height: 280px;
    position: relative;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    padding-top: 20px;
}

.svg-chart {
    width: 100%;
    height: 100%;
}

/* Grid & Tables */
.table-responsive {
    overflow-x: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

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

th {
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    font-weight: 600;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border-color);
}

td {
    padding: 14px 18px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
    vertical-align: middle;
}

tr:last-child td {
    border-bottom: none;
}

tr:hover td {
    background-color: var(--bg-tertiary);
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 8px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-paid { background-color: var(--success-light); color: var(--success); }
.badge-unpaid { background-color: var(--warning-light); color: var(--warning); }
.badge-overdue { background-color: var(--danger-light); color: var(--danger); }
.badge-draft { background-color: var(--bg-tertiary); color: var(--text-muted); }

.avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--accent-light);
    color: var(--accent-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
}

.search-filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.search-input-wrapper {
    position: relative;
    flex-grow: 1;
    max-width: 400px;
}

.search-input-wrapper input {
    width: 100%;
    padding: 10px 16px 10px 42px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    outline: none;
    transition: all var(--transition-fast);
}

.search-input-wrapper input:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px var(--accent-light);
}

.search-input-wrapper svg {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    stroke: var(--text-muted);
    fill: none;
}

.filter-group {
    display: flex;
    gap: 12px;
}

select.filter-select {
    padding: 10px 16px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    outline: none;
    cursor: pointer;
}

/* Modals & Forms styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    animation: fadeIn var(--transition-fast);
}

.modal-overlay.active {
    display: flex;
}

.modal-content {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--card-shadow);
    display: flex;
    flex-direction: column;
    animation: slideUp var(--transition-normal);
}

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

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

.modal-header h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
}

.modal-footer {
    padding: 20px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* Custom form grid and inputs */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.form-group {
    margin-bottom: 18px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.88rem;
}

.form-group input, .form-group select, .form-group textarea {
    padding: 10px 14px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    outline: none;
    transition: all var(--transition-fast);
    width: 100%;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px var(--accent-light);
}

.form-group input:disabled, .form-group select:disabled {
    background-color: var(--bg-tertiary);
    color: var(--text-muted);
    cursor: not-allowed;
}

/* Settings Forms Layout */
.settings-section-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--card-shadow);
}

.settings-section-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 18px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
    color: var(--accent-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.upload-zone {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 120px;
    position: relative;
    background-color: var(--bg-tertiary);
}

.upload-zone:hover {
    border-color: var(--accent-color);
    background-color: var(--accent-light);
}

.upload-preview {
    max-width: 100%;
    max-height: 100px;
    object-fit: contain;
    border-radius: var(--radius-sm);
}

.upload-zone input[type="file"] {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

/* Invoice Builder specific elements */
.invoice-builder-layout {
    display: grid;
    grid-template-columns: 3fr 1fr;
    gap: 30px;
}

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

.invoice-summary-box {
    background-color: var(--bg-tertiary);
    padding: 20px;
    border-radius: var(--radius-md);
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.invoice-summary-line {
    display: flex;
    justify-content: space-between;
    font-weight: 500;
    color: var(--text-secondary);
}

.invoice-summary-line.grand-total {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}

/* Client Search Suggestion Dropdown */
.autocomplete-container {
    position: relative;
}

.autocomplete-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    z-index: 10;
    max-height: 200px;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    display: none;
}

.autocomplete-suggestions.active {
    display: block;
}

.suggestion-item {
    padding: 10px 14px;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.suggestion-item:hover {
    background-color: var(--bg-tertiary);
    color: var(--accent-color);
}

/* Invoice View Modal Design */
.invoice-viewer-container {
    max-width: 800px;
    margin: 0 auto;
    background-color: #ffffff;
    color: #1e293b !important;
    padding: 40px;
    border-radius: 0 !important; /* Make borders perfectly straight lines without rounded corners */
    box-shadow: var(--card-shadow);
    border-left: 1px solid #e2e8f0;
    border-right: 1px solid #e2e8f0;
    border-top: none;
    border-bottom: none;
}

.invoice-viewer-container * {
    color: #1e293b !important; /* Keep text high contrast dark for printing/saving */
}

/* Print View Invoice Template Layout */
.invoice-brand-block {
    display: flex;
    justify-content: space-between;
    margin-bottom: 30px;
}

.invoice-meta-info {
    text-align: right;
}

.invoice-meta-info h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent-color) !important;
    margin-bottom: 10px;
}

.invoice-logo-img {
    max-height: 70px;
    max-width: 200px;
    object-fit: contain;
}

.invoice-parties-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

.party-details h4 {
    margin-bottom: 10px;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.05em;
    color: #64748b !important;
}

.party-details p {
    line-height: 1.4;
}

.invoice-table-block {
    margin-bottom: 30px;
}

.invoice-table-block table {
    width: 100%;
}

.invoice-table-block th {
    background-color: #f1f5f9 !important;
    color: #1e293b !important;
    border-bottom: 2px solid #cbd5e1;
}

.invoice-table-block td {
    border-bottom: 1px solid #e2e8f0;
}

.invoice-totals-block {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

.totals-details table {
    width: 100%;
}

.totals-details td {
    padding: 8px 12px;
    border-bottom: none;
}

.totals-details tr.grand-total-row td {
    font-weight: 700;
    font-size: 1.1rem;
    border-top: 1px solid #cbd5e1;
    border-bottom: 1px solid #cbd5e1;
    background-color: #f8fafc;
}

.invoice-signatures-block {
    display: flex;
    justify-content: flex-end;
    margin-top: 40px;
    gap: 40px;
}

.signature-box {
    text-align: center;
    width: 180px;
}

.signature-img {
    max-height: 60px;
    max-width: 150px;
    object-fit: contain;
    margin-bottom: 8px;
}

.signature-line {
    border-top: 1px solid #94a3b8;
    padding-top: 6px;
    font-weight: 500;
    font-size: 0.85rem;
}

/* @media Print specific CSS variables override and structural hiding */
@media print {
    @page {
        margin: 12mm;
    }
    
    /* Hide the app shell and all modal overlays completely from the rendering tree */
    #app-container, .modal-overlay {
        display: none !important;
    }
    
    /* Reset page and body boundaries for physical print layout */
    html, body {
        width: 100%;
        height: auto;
        background: #ffffff !important;
        color: #000000 !important;
        overflow: visible !important;
    }
    
    /* Make print invoice block primary absolute visible */
    #print-invoice-section {
        display: block !important;
        position: absolute;
        left: 0;
        top: 0;
        width: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
        border: none !important;
        box-shadow: none !important;
        background: #ffffff !important;
    }
    
    /* Strip card borders, shadows, padding, and max-widths from the container */
    #print-invoice-section .invoice-viewer-container {
        border: none !important;
        border-radius: 0 !important; /* Perfectly straight borders for printed document */
        box-shadow: none !important;
        padding: 0 !important;
        margin: 0 !important;
        width: 100% !important;
        max-width: 100% !important;
        background-color: #ffffff !important;
        background: #ffffff !important;
        color: #000000 !important;
    }
    
    #print-invoice-section .invoice-viewer-container * {
        color: #000000 !important;
        text-shadow: none !important;
    }

    .invoice-table-block th {
        background-color: #f1f5f9 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
}

#print-invoice-section {
    display: none;
}

/* ==========================================================================
   LANDING PAGE STYLING
   ========================================================================== */

#landing-page-container {
    width: 100%;
    min-height: 100vh;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    font-family: var(--font-body);
}

/* Landing Nav Header */
.landing-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 8%;
    background-color: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: background-color var(--transition-normal);
}

body.dark-theme .landing-header {
    background-color: rgba(15, 23, 42, 0.7);
}

.landing-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.landing-nav-links {
    display: flex;
    gap: 32px;
}

.landing-nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

.landing-nav-links a:hover {
    color: var(--accent-color);
}

.landing-nav-actions {
    display: flex;
    gap: 12px;
}

/* Hero Section */
.landing-hero {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 40px;
    padding: 80px 8%;
    align-items: center;
    min-height: calc(85vh - 80px);
}

.landing-hero-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.landing-badge {
    align-self: flex-start;
    padding: 6px 14px;
    background-color: var(--accent-light);
    color: var(--accent-color);
    font-weight: 600;
    font-size: 0.82rem;
    border-radius: 50px;
    border: 1px solid rgba(99, 102, 241, 0.15);
}

.landing-hero-content h1 {
    font-family: var(--font-heading);
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.15;
    background: linear-gradient(135deg, var(--text-primary) 30%, var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

body.dark-theme .landing-hero-content h1 {
    background: linear-gradient(135deg, var(--text-primary) 50%, var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.landing-hero-content p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.landing-hero-actions {
    display: flex;
    gap: 16px;
    margin-top: 8px;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 1.05rem;
    font-weight: 600;
}

.landing-hero-actions a.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

.landing-trust-labels {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 16px;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.trust-item svg {
    color: var(--success);
}

/* Visual Panel Mockup */
.landing-hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
}

.visual-card {
    background-color: var(--bg-secondary);
    border-radius: var(--radius-lg);
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.main-visual {
    width: 90%;
    max-width: 440px;
    transform: perspective(1000px) rotateY(-8deg) rotateX(4deg);
    animation: float 6s ease-in-out infinite;
    transition: transform var(--transition-normal);
}

.main-visual:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.visual-header {
    background-color: var(--bg-tertiary);
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 6px;
}

.visual-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.visual-dot.red { background-color: var(--danger); }
.visual-dot.yellow { background-color: var(--warning); }
.visual-dot.green { background-color: var(--success); }

.visual-title {
    margin-left: 10px;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: monospace;
}

.visual-body-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

.visual-stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.v-label {
    font-size: 0.72rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.v-value {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
}

.visual-chart-line {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.v-bar-container {
    display: flex;
    height: 16px;
    background-color: var(--bg-tertiary);
    border-radius: 8px;
    padding: 3px;
    gap: 4px;
    align-items: center;
}

.v-bar {
    background-color: var(--accent-light);
    height: 10px;
    border-radius: 5px;
    transition: all 0.3s;
}

.v-bar.active {
    background: linear-gradient(90deg, var(--accent-color), var(--accent-hover));
}

.visual-invoice-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.visual-invoice-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
}

.v-badge {
    padding: 2px 6px;
    font-size: 0.7rem;
    font-weight: 600;
    border-radius: 4px;
}

.secondary-visual {
    position: absolute;
    bottom: -10px;
    left: 10px;
    padding: 16px;
    max-width: 180px;
    transform: rotate(-4deg);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    animation: floatOpposite 6s ease-in-out infinite;
}

.v-badge-glow {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--accent-light);
    display: flex;
    align-items: center;
    justify-content: center;
}

@keyframes float {
    0%, 100% { transform: perspective(1000px) rotateY(-8deg) rotateX(4deg) translateY(0); }
    50% { transform: perspective(1000px) rotateY(-8deg) rotateX(4deg) translateY(-12px); }
}

@keyframes floatOpposite {
    0%, 100% { transform: rotate(-4deg) translateY(0); }
    50% { transform: rotate(-4deg) translateY(12px); }
}

/* Sections General */
.landing-section {
    padding: 90px 8%;
}

.bg-alt {
    background-color: var(--bg-secondary);
}

.section-title {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-title h2 {
    font-family: var(--font-heading);
    font-size: 2.3rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.section-title p {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Features Grid */
.landing-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 36px 30px;
    border-radius: var(--radius-lg);
    box-shadow: var(--card-shadow);
    transition: all var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-focus);
}

body.dark-theme .feature-card {
    background-color: var(--bg-secondary);
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background-color: var(--accent-light);
    color: var(--accent-color);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

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

.feature-card h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.55;
    font-size: 0.92rem;
}

/* Invoicing Calculator Widget */
.calculator-section {
    background: radial-gradient(circle at 80% 20%, rgba(99, 102, 241, 0.04), transparent), var(--bg-primary);
}

.calculator-container {
    max-width: 850px;
    margin: 0 auto;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--card-shadow);
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    overflow: hidden;
}

.calc-inputs {
    padding: 40px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    border-right: 1px solid var(--border-color);
}

.calc-results {
    padding: 40px;
    background-color: var(--bg-tertiary);
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 16px;
}

.calc-results h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.calc-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.calc-row.grand-total {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    font-family: var(--font-heading);
}

.tax-row {
    color: var(--accent-color);
    font-weight: 500;
}

/* Testimonials Grid */
.testimonials-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.testimonial-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    padding: 30px;
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.t-stars {
    color: #fbbf24;
    font-size: 1.1rem;
    letter-spacing: 2px;
}

.testimonial-card p {
    font-style: italic;
    color: var(--text-secondary);
    line-height: 1.6;
}

.t-user {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin-top: auto;
}

.t-user strong {
    font-size: 0.95rem;
}

.t-user span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* FAQs Container */
.faq-container {
    max-width: 750px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.faq-item summary {
    padding: 20px;
    font-weight: 600;
    font-size: 1.05rem;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-heading);
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: '+';
    font-size: 1.4rem;
    color: var(--text-muted);
    font-weight: 300;
    transition: transform var(--transition-fast);
}

.faq-item[open] summary::after {
    content: '−';
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 20px 20px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Final CTA Section */
.landing-cta {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
    color: #ffffff;
    padding: 80px 8%;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.landing-cta h2 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
}

.landing-cta p {
    font-size: 1.1rem;
    max-width: 600px;
    opacity: 0.9;
    line-height: 1.6;
}

.landing-cta .btn-primary {
    background-color: #ffffff;
    color: var(--accent-color);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    border-color: #ffffff;
}

.landing-cta .btn-primary:hover {
    background-color: var(--bg-tertiary);
    color: var(--accent-hover);
}

/* Footer Section */
.landing-footer {
    padding: 40px 8%;
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    text-align: center;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.landing-footer p {
    font-size: 0.82rem;
    color: var(--text-muted);
}

/* Glassmorphic Auth Modal Additional Styling */
.auth-modal-content {
    background-color: var(--bg-secondary);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 460px;
    margin: 20px auto;
    border: 1px solid var(--border-color);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    overflow: hidden;
    animation: modalIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.auth-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px 0;
}

.auth-tabs {
    display: flex;
    gap: 8px;
    background-color: var(--bg-tertiary);
    padding: 4px;
    border-radius: var(--radius-md);
}

.auth-tab-btn {
    border: none;
    background: none;
    padding: 8px 16px;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-secondary);
    border-radius: calc(var(--radius-md) - 2px);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.auth-tab-btn.active {
    background-color: var(--bg-secondary);
    color: var(--accent-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.auth-form-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
}

/* Responsive Custom Breakpoints */
@media (max-width: 900px) {
    .landing-hero {
        grid-template-columns: 1fr;
        padding-top: 40px;
        padding-bottom: 60px;
        text-align: center;
        gap: 50px;
    }
    
    .landing-hero-content h1 {
        font-size: 2.6rem;
    }

    .landing-hero-content {
        align-items: center;
    }

    .landing-hero-actions {
        width: 100%;
        justify-content: center;
    }

    .landing-hero-visual {
        order: -1;
    }

    .calculator-container {
        grid-template-columns: 1fr;
    }

    .calc-inputs {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .landing-nav-links {
        display: none;
    }
}

@media (max-width: 600px) {
    .landing-header {
        padding: 14px 5%;
    }
    
    .landing-section {
        padding: 60px 5%;
    }
    
    .landing-hero-actions {
        flex-direction: column;
        gap: 12px;
    }
    
    .landing-hero-actions .btn {
        width: 100%;
    }
}

/* ==========================================================================
   INVOICE DOCUMENT PREBUILT TEMPLATE STYLES
   ========================================================================== */

/* 1. Shakya Classic Template (Purple Theme) */
.template-shakya {
    position: relative;
    padding: 0 40px 40px 40px !important;
    overflow: hidden;
    background-color: #fafaf9 !important; /* Elegant warm paper tone */
    border: 1px solid #e7e5e4 !important;
    border-radius: 0px !important;
}

.shakya-top-band {
    height: 14px;
    background-color: #632b8f; /* Violet top band */
    margin: 0 -40px 25px -40px;
    border-bottom: 2px solid #522276;
}

.shakya-header-block {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 20px;
}

.shakya-logo-title {
    display: flex;
    align-items: center;
    gap: 10px;
}

.shakya-brand-primary {
    font-size: 2.8rem;
    font-weight: 800;
    color: #d32f2f !important; /* Cursive red primary text */
    font-family: 'Georgia', serif;
    letter-spacing: -1px;
    line-height: 1;
    font-style: italic;
    text-transform: capitalize;
}

.shakya-brand-secondary-box {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.shakya-brand-secondary {
    font-size: 1.1rem;
    font-weight: 800;
    color: #632b8f !important; /* Purple subtext */
    font-family: 'Arial Black', sans-serif;
    letter-spacing: 0.5px;
    line-height: 1.2;
    text-transform: uppercase;
}

.shakya-double-line {
    height: 4px;
    border-top: 1px solid #d32f2f;
    border-bottom: 1px solid #d32f2f;
    margin-top: 4px;
}

.shakya-company-details {
    text-align: right;
    font-size: 0.72rem;
    line-height: 1.6;
    color: #632b8f !important; /* Purple details */
    font-weight: 700;
    max-width: 50%;
    font-family: 'Arial', sans-serif;
}

.shakya-company-details div {
    color: #632b8f !important;
}

.shakya-meta-divider {
    height: 4px;
    border-top: 1px solid #632b8f;
    border-bottom: 1px solid #632b8f;
    margin: 15px 0;
}

/* Custom Purple Table Accent */
.shakya-table table {
    border-collapse: collapse;
    width: 100%;
}

.shakya-table th {
    background-color: #632b8f !important; /* Purple headers */
    color: #ffffff !important;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.78rem;
    padding: 10px;
    border: 1px solid #632b8f !important;
}

.shakya-table td {
    padding: 10px;
    border: 1px solid #e9d5ff !important;
    font-size: 0.85rem;
}

/* 2. Modern Minimalist Template */
.template-minimalist {
    padding: 40px !important;
    background-color: #ffffff !important;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    border-radius: 0px !important;
}

.minimalist-table table {
    width: 100%;
    border-collapse: collapse;
}

.minimalist-table th {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 6px 10px;
    border-bottom: 2px solid #0f172a !important;
    border-top: none !important;
    border-left: none !important;
    border-right: none !important;
}

.minimalist-table td {
    padding: 6px 10px;
    border-bottom: 1px solid #e2e8f0 !important;
    border-top: none !important;
    border-left: none !important;
    border-right: none !important;
    font-size: 0.85rem;
}

/* 3. Midnight Navy Template */
.template-navy {
    background-color: #ffffff !important;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    border-radius: 0px !important;
}

.navy-table table {
    width: 100%;
    border-collapse: collapse;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.navy-table th {
    background-color: #1e3a8a !important; /* Navy */
    color: #ffffff !important;
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    padding: 12px 10px;
    border: none !important;
}

.navy-table td {
    padding: 12px 10px;
    border-bottom: 1px solid #f1f5f9 !important;
    font-size: 0.85rem;
}

.navy-table tbody tr:nth-child(even) {
    background-color: #f8fafc !important;
}

/* Print Specific Rules for Background Colors and Bands */
@media print {
    .shakya-top-band {
        background-color: #632b8f !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
    
    .shakya-table th {
        background-color: #632b8f !important;
        color: #ffffff !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
    
    .navy-table th {
        background-color: #1e3a8a !important;
        color: #ffffff !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
    
    .template-navy {
        border-top: 1px solid #1e3a8a !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
    
    .template-shakya {
        background-color: #fafaf9 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
}

/* ==========================================================================
   Plan Ads, Plan Badges & Premium Upgrade Modal Styles
   ========================================================================== */

/* Badge Colors if not defined */
.badge-warning {
    background-color: var(--warning-light) !important;
    color: var(--warning) !important;
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.badge-success {
    background-color: var(--success-light) !important;
    color: var(--success) !important;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

/* Base Ad Banner Styles */
.ad-banner {
    transition: all var(--transition-fast);
}

.ad-banner:hover {
    border-color: var(--accent-color) !important;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.05);
}

/* Upgrade Modal States */
#upgrade-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: all 0.25s ease;
}

#upgrade-modal.active {
    display: flex !important;
    opacity: 1 !important;
    pointer-events: auto !important;
}

#upgrade-modal.active .auth-modal-content {
    transform: scale(1) !important;
}

/* Pricing Card hover micro-animations */
.plan-price-card {
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.plan-price-card:hover {
    transform: translateY(-2px);
    border-color: var(--accent-color) !important;
}

/* Responsive upgrades */
@media (max-width: 768px) {
    .ad-banner.horizontal-ad > div {
        flex-direction: column;
        align-items: flex-start !important;
    }
    
    .ad-banner.horizontal-ad .ad-actions {
        width: 100%;
        justify-content: flex-end;
    }
}