/* ═══════════════════════════════════════════════════════
   INVROO — Modern SaaS UI Override
   Inspired by Stripe · Notion · Linear
   Font: Inter (Google Fonts)
═══════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Poppins:wght@400;500;600;700;800&display=swap');

/* ─── CSS Variables ─── */

:root {
    --saas-bg: #f6f8fb;
    --saas-surface: #ffffff;
    --saas-border: #e5e9f0;
    --saas-muted: #8b95a6;
    --saas-text: #111827;
    --saas-subtext: #4b5563;
    --saas-blue: #2563eb;
    --saas-blue-dark: #1d4ed8;
    --saas-blue-soft: #eff6ff;
    --saas-blue-ring: rgba(37, 99, 235, .18);
    --saas-green: #059669;
    --saas-green-soft: #ecfdf5;
    --saas-red: #dc2626;
    --saas-red-soft: #fef2f2;
    --saas-amber: #d97706;
    --saas-amber-soft: #fffbeb;
    --saas-radius: 10px;
    --saas-radius-lg: 14px;
    --saas-shadow: 0 1px 3px rgba(0, 0, 0, .06), 0 4px 16px rgba(0, 0, 0, .05);
    --saas-shadow-md: 0 4px 6px rgba(0, 0, 0, .07), 0 10px 24px rgba(0, 0, 0, .07);
}


/* ─── Reset ─── */

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: var(--saas-text);
    background: var(--saas-bg);
    -webkit-font-smoothing: antialiased;
}


/* ─── Navbar ─── */

.saas-navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, .92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--saas-border);
}

.saas-navbar-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.saas-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-weight: 700;
    font-size: 18px;
    color: var(--saas-text);
}

.saas-logo img {
    height: 36px;
    width: auto;
    object-fit: contain;
}

.saas-logo-mark {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: linear-gradient(135deg, #7cbf2f 0%, #5aa51f 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 800;
    font-size: 16px;
}

.saas-nav-links {
    display: flex;
    align-items: center;
    gap: 2px;
}

.saas-nav-links a {
    padding: 6px 12px;
    border-radius: 7px;
    text-decoration: none;
    font-size: 13.5px;
    font-weight: 500;
    color: var(--saas-subtext);
    transition: background .15s, color .15s;
}

.saas-nav-links a:hover {
    background: #f1f5f9;
    color: var(--saas-text);
}

.saas-nav-links a.active {
    background: var(--saas-blue-soft);
    color: var(--saas-blue);
    font-weight: 600;
}

.saas-nav-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

.saas-hamburger {
    display: none;
    border: 1px solid var(--saas-border);
    background: var(--saas-surface);
    border-radius: 8px;
    width: 38px;
    height: 38px;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    padding: 0;
    transition: background .15s;
}

.saas-hamburger:hover {
    background: #f1f5f9;
}

.saas-hamburger svg {
    display: block;
}


/* ─── Page container ─── */

.saas-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 24px 24px 48px;
}


/* ─── Flash / Alert ─── */

.saas-alert {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
    border-radius: var(--saas-radius);
    font-size: 13.5px;
    font-weight: 500;
    margin-bottom: 20px;
    border: 1px solid transparent;
}

.saas-alert-icon {
    font-size: 18px;
    flex-shrink: 0;
}

.saas-alert.success {
    background: var(--saas-green-soft);
    border-color: #a7f3d0;
    color: #065f46;
}

.saas-alert.error {
    background: var(--saas-red-soft);
    border-color: #fca5a5;
    color: #991b1b;
}

.saas-alert ul {
    margin: 0;
    padding-left: 16px;
}


/* ─── Section Header ─── */

.saas-section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 10px;
}

.saas-section-head h2 {
    margin: 0;
    font-size: 20px;
    font-weight: 700;
    color: var(--saas-text);
}

.saas-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: 999px;
    background: var(--saas-blue-soft);
    color: var(--saas-blue);
    font-size: 12px;
    font-weight: 600;
}


/* ─── Template Hero ─── */

.saas-hero {
    background: linear-gradient(135deg, #1e40af 0%, #2563eb 50%, #3b82f6 100%);
    border-radius: var(--saas-radius-lg);
    padding: 36px 32px 32px;
    margin-bottom: 28px;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.saas-hero::before {
    content: '';
    position: absolute;
    inset: -50% -20% -50% auto;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, .07) 0%, transparent 70%);
    pointer-events: none;
}

.saas-hero-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 24px;
}

.saas-hero h1 {
    margin: 0 0 6px;
    font-size: 26px;
    font-weight: 800;
    letter-spacing: -.3px;
}

.saas-hero p {
    margin: 0;
    opacity: .82;
    font-size: 14px;
}

.saas-hero-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: var(--saas-radius);
    background: rgba(255, 255, 255, .15);
    color: #fff;
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    border: 1px solid rgba(255, 255, 255, .2);
    white-space: nowrap;
    transition: background .15s;
}

.saas-hero-btn:hover {
    background: rgba(255, 255, 255, .25);
    color: #fff;
}


/* ─── Template grid ─── */

.saas-template-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 10px;
}

.saas-tmpl-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 14px 10px;
    border-radius: var(--saas-radius);
    background: rgba(255, 255, 255, .12);
    border: 1px solid rgba(255, 255, 255, .18);
    text-decoration: none;
    color: rgba(255, 255, 255, .9);
    text-align: center;
    font-size: 12px;
    font-weight: 500;
    transition: background .15s, transform .15s, border-color .15s;
    cursor: pointer;
}

.saas-tmpl-card:hover {
    background: rgba(255, 255, 255, .22);
    transform: translateY(-2px);
    color: #fff;
}

.saas-tmpl-card.active {
    background: rgba(255, 255, 255, .28);
    border-color: rgba(255, 255, 255, .5);
    color: #fff;
    font-weight: 700;
}

.saas-tmpl-icon {
    font-size: 22px;
    line-height: 1;
}

.saas-tmpl-label {
    line-height: 1.3;
}

.saas-hero-tools {
    margin-top: 12px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 10px;
}

.saas-tool-shortcut {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--saas-radius);
    background: rgba(255, 255, 255, .12);
    border: 1px solid rgba(255, 255, 255, .18);
    color: rgba(255, 255, 255, .92);
    text-decoration: none;
    transition: background .15s, transform .15s, border-color .15s;
}

.saas-tool-shortcut:hover {
    background: rgba(255, 255, 255, .22);
    border-color: rgba(255, 255, 255, .42);
    transform: translateY(-2px);
    color: #fff;
}

.saas-tool-shortcut-icon {
    font-size: 20px;
    line-height: 1;
}

.saas-tool-shortcut-label {
    font-size: 12.5px;
    font-weight: 600;
    line-height: 1.2;
}


/* ─── Main Two-Column Layout ─── */

.saas-main-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 24px;
    align-items: start;
}


/* ─── Cards ─── */

.saas-card {
    background: var(--saas-surface);
    border: 1px solid var(--saas-border);
    border-radius: var(--saas-radius-lg);
    box-shadow: var(--saas-shadow);
    margin-bottom: 20px;
}

.saas-card-header {
    padding: 20px 24px 16px;
    border-bottom: 1px solid var(--saas-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
}

.saas-card-header h3 {
    margin: 0;
    font-size: 15px;
    font-weight: 700;
    color: var(--saas-text);
}

.saas-card-body {
    padding: 20px 24px;
}


/* ─── Guest notice ─── */

.saas-guest-notice {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 14px;
    border-radius: var(--saas-radius);
    background: var(--saas-blue-soft);
    border: 1px solid #bfdbfe;
    color: #1e40af;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 18px;
}

.saas-guest-notice.danger {
    background: var(--saas-red-soft);
    border-color: #fca5a5;
    color: #991b1b;
}


/* ─── Form elements ─── */

.saas-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-bottom: 14px;
}

.saas-form-row-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 14px;
    margin-bottom: 14px;
}

.saas-form-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
    margin-bottom: 14px;
}

.saas-form-group:last-child {
    margin-bottom: 0;
}

.saas-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--saas-subtext);
    text-transform: uppercase;
    letter-spacing: .04em;
}

.saas-input,
.saas-select,
.saas-textarea {
    width: 100%;
    padding: 9px 13px;
    border: 1.5px solid var(--saas-border);
    border-radius: var(--saas-radius);
    font-family: inherit;
    font-size: 13.5px;
    color: var(--saas-text);
    background: var(--saas-surface);
    outline: none;
    transition: border-color .15s, box-shadow .15s;
    -webkit-appearance: none;
}

.saas-input:focus,
.saas-select:focus,
.saas-textarea:focus {
    border-color: var(--saas-blue);
    box-shadow: 0 0 0 3px var(--saas-blue-ring);
}

.saas-input::placeholder,
.saas-textarea::placeholder {
    color: #c0c8d4;
}

.saas-textarea {
    resize: vertical;
    min-height: 80px;
}

.saas-input[type="file"] {
    padding: 7px 10px;
    cursor: pointer;
}

.saas-input:disabled,
.saas-select:disabled,
.saas-textarea:disabled {
    opacity: .55;
    cursor: not-allowed;
    background: #f9fafb;
}


/* ─── Buttons ─── */

.saas-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    padding: 9px 18px;
    border-radius: var(--saas-radius);
    font-family: inherit;
    font-size: 13.5px;
    font-weight: 600;
    cursor: pointer;
    border: 1.5px solid transparent;
    transition: all .15s;
    white-space: nowrap;
    text-decoration: none;
}

.saas-btn:disabled {
    opacity: .5;
    cursor: not-allowed;
    pointer-events: none;
}

.saas-btn-primary {
    background: var(--saas-blue);
    color: #fff;
    border-color: var(--saas-blue);
    box-shadow: 0 1px 2px rgba(37, 99, 235, .3);
}

.saas-btn-primary:hover {
    background: var(--saas-blue-dark);
    border-color: var(--saas-blue-dark);
}

.saas-btn-secondary {
    background: var(--saas-surface);
    color: var(--saas-subtext);
    border-color: var(--saas-border);
}

.saas-btn-secondary:hover {
    background: #f8fafc;
    border-color: #c5cdd8;
    color: var(--saas-text);
}

.saas-btn-danger {
    background: var(--saas-red-soft);
    color: var(--saas-red);
    border-color: #fca5a5;
}

.saas-btn-danger:hover {
    background: #fee2e2;
}

.saas-btn-ghost {
    background: transparent;
    color: var(--saas-subtext);
    border-color: transparent;
}

.saas-btn-ghost:hover {
    background: #f1f5f9;
    color: var(--saas-text);
}

.saas-btn-sm {
    padding: 6px 12px;
    font-size: 12px;
    border-radius: 7px;
}

.saas-btn-full {
    width: 100%;
}

.saas-btn-icon {
    width: 32px;
    height: 32px;
    padding: 0;
    border-radius: 7px;
}


/* ─── Invoice Builder card content ─── */

.saas-invoice-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}


/* ─── Style selector ─── */

.saas-style-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 8px;
    margin-bottom: 20px;
}

.saas-style-card {
    padding: 10px 12px;
    border-radius: var(--saas-radius);
    border: 1.5px solid var(--saas-border);
    background: var(--saas-surface);
    cursor: pointer;
    text-align: left;
    transition: border-color .15s, background .15s;
}

.saas-style-card:hover {
    border-color: #93c5fd;
    background: #f0f7ff;
}

.saas-style-card.active {
    border-color: var(--saas-blue);
    background: var(--saas-blue-soft);
}

.saas-style-name {
    display: block;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--saas-text);
}

.saas-style-hint {
    display: block;
    font-size: 11px;
    color: var(--saas-muted);
    margin-top: 2px;
}


/* ─── Invoice Sheet preview ─── */

.saas-invoice-sheet-wrapper {
    border: 1px solid var(--saas-border);
    border-radius: var(--saas-radius-lg);
    background: #f8fafc;
    padding: 16px;
    margin-bottom: 18px;
}


/* ─── Invoice meta bar ─── */

.saas-doc-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    background: #f0f7ff;
    border: 1px solid #bfdbfe;
    border-radius: var(--saas-radius);
    font-size: 13px;
    font-weight: 600;
    color: #1e40af;
    margin-bottom: 16px;
}


/* ─── Head grid ─── */

.saas-head-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 18px;
}


/* ─── Items table ─── */

.saas-items-wrap {
    overflow-x: auto;
    border-radius: var(--saas-radius);
    margin-bottom: 12px;
}

.saas-items-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 500px;
}

.saas-items-table thead th {
    padding: 10px 12px;
    background: #f8fafc;
    border-bottom: 2px solid var(--saas-border);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--saas-muted);
    text-align: left;
}

.saas-items-table thead th:not(:first-child) {
    text-align: right;
}

.saas-items-table tbody td {
    padding: 8px 10px;
    border-bottom: 1px solid #f1f5f9;
    vertical-align: middle;
}

.saas-items-table tbody td:not(:first-child) {
    text-align: right;
}

.saas-items-table tbody tr:last-child td {
    border-bottom: none;
}

.saas-items-table .saas-input,
.saas-items-table .saas-textarea {
    padding: 7px 10px;
    font-size: 13px;
}

.saas-items-table .saas-textarea {
    min-height: 56px;
}

.saas-td-action {
    width: 44px;
    text-align: center !important;
}

.saas-remove-btn {
    width: 28px;
    height: 28px;
    padding: 0;
    border-radius: 6px;
    background: var(--saas-red-soft);
    border: none;
    color: var(--saas-red);
    cursor: pointer;
    font-size: 16px;
    font-weight: 700;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background .15s;
}

.saas-remove-btn:hover {
    background: #fee2e2;
}

.saas-remove-btn:disabled {
    opacity: .4;
    cursor: not-allowed;
}


/* ─── Totals ─── */

.saas-totals {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 18px;
}

.saas-totals-inner {
    min-width: 260px;
    display: grid;
    gap: 6px;
}

.saas-total-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 0;
    border-bottom: 1px solid #f1f5f9;
    font-size: 13.5px;
    color: var(--saas-subtext);
}

.saas-total-row:last-child {
    border-bottom: none;
}

.saas-total-grand {
    font-size: 17px;
    font-weight: 800;
    color: var(--saas-text);
    padding-top: 8px;
    border-top: 2px solid var(--saas-border) !important;
}


/* ─── Invoice foot grid ─── */

.saas-foot-grid {
    display: grid;
    grid-template-columns: 1.3fr .7fr;
    gap: 16px;
}

.saas-sig-preview {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100px;
    border: 1.5px dashed var(--saas-border);
    border-radius: var(--saas-radius);
    background: #fafbfc;
    margin-bottom: 10px;
}

.saas-sig-preview img {
    max-width: 160px;
    max-height: 90px;
    object-fit: contain;
}


/* ─── Account sidebar ─── */

.saas-account-card {
    margin-bottom: 16px;
}

.saas-auth-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 18px;
}

.saas-auth-tab {
    flex: 1;
    padding: 8px;
    border-radius: var(--saas-radius);
    border: 1.5px solid transparent;
    background: #f1f5f9;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    color: var(--saas-subtext);
    transition: all .15s;
    font-family: inherit;
}

.saas-auth-tab.active {
    background: var(--saas-blue);
    color: #fff;
    border-color: var(--saas-blue);
}

.saas-auth-tab:not(.active):hover {
    background: #e2e8f0;
}

.saas-auth-panel {
    display: none;
}

.saas-auth-panel.active {
    display: block;
}

.saas-checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 12.5px;
    color: var(--saas-subtext);
    cursor: pointer;
    margin-bottom: 12px;
}

.saas-checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    margin-top: 1px;
    accent-color: var(--saas-blue);
}

.saas-divider {
    border: none;
    border-top: 1px solid var(--saas-border);
    margin: 18px 0;
}

.saas-user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.saas-avatar {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--saas-blue), #7c3aed);
    color: #fff;
    font-weight: 800;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.saas-user-name {
    font-weight: 700;
    font-size: 14px;
}

.saas-user-role {
    font-size: 12px;
    color: var(--saas-muted);
}


/* ─── Mini stats ─── */

.saas-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 4px;
}

.saas-stat-item {
    background: #f8fafc;
    border-radius: var(--saas-radius);
    padding: 10px 12px;
}

.saas-stat-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--saas-muted);
}

.saas-stat-value {
    font-size: 16px;
    font-weight: 800;
    color: var(--saas-text);
    margin-top: 2px;
}


/* ─── Subscribe form ─── */

.saas-subscribe-banner {
    background: linear-gradient(135deg, #f0f7ff, #e8f0fe);
    border: 1px solid #bfdbfe;
    border-radius: var(--saas-radius-lg);
    padding: 16px 20px;
}

.saas-subscribe-banner h4 {
    margin: 0 0 6px;
    font-size: 14px;
    font-weight: 700;
}

.saas-subscribe-banner p {
    margin: 0 0 12px;
    font-size: 12.5px;
    color: var(--saas-subtext);
}


/* ─── PDF Tools Section ─── */

.saas-tools-section {
    margin-top: 32px;
}

.saas-tools-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.saas-tool-card {
    background: var(--saas-surface);
    border: 1px solid var(--saas-border);
    border-radius: var(--saas-radius-lg);
    box-shadow: var(--saas-shadow);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: box-shadow .18s, transform .18s;
}

.saas-tool-card:hover {
    box-shadow: var(--saas-shadow-md);
    transform: translateY(-2px);
}

.saas-tool-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}

.saas-tool-icon.blue {
    background: var(--saas-blue-soft);
}

.saas-tool-icon.green {
    background: var(--saas-green-soft);
}

.saas-tool-icon.amber {
    background: var(--saas-amber-soft);
}

.saas-tool-icon.purple {
    background: #f3e8ff;
}

.saas-tool-icon.indigo {
    background: #e0e7ff;
}

.saas-tool-title {
    font-size: 15px;
    font-weight: 700;
    margin: 0 0 4px;
}

.saas-tool-desc {
    font-size: 13px;
    color: var(--saas-subtext);
    margin: 0;
    line-height: 1.5;
}

.saas-tool-body {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.saas-tool-drop {
    border: 2px dashed var(--saas-border);
    border-radius: var(--saas-radius);
    padding: 18px;
    text-align: center;
    cursor: pointer;
    transition: border-color .15s, background .15s;
    background: #fafbfc;
}

.saas-tool-drop:hover,
.saas-tool-drop.dragover {
    border-color: var(--saas-blue);
    background: var(--saas-blue-soft);
}

.saas-tool-drop input[type="file"] {
    display: none;
}

.saas-tool-drop-label {
    font-size: 12.5px;
    color: var(--saas-muted);
    cursor: pointer;
}

.saas-tool-drop-label span {
    color: var(--saas-blue);
    font-weight: 600;
}

.saas-tool-progress {
    display: none;
}

.saas-tool-progress-bar {
    height: 4px;
    background: #f1f5f9;
    border-radius: 99px;
    overflow: hidden;
}

.saas-tool-progress-fill {
    height: 100%;
    width: 0;
    background: var(--saas-blue);
    border-radius: 99px;
    transition: width .3s ease;
}

.saas-tool-status {
    font-size: 12px;
    color: var(--saas-subtext);
    text-align: center;
    margin-top: 4px;
}

.saas-doc-format-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

.saas-docfmt-btn {
    padding: 7px 6px;
    border-radius: 8px;
    border: 1.5px solid var(--saas-border);
    background: var(--saas-surface);
    color: var(--saas-subtext);
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    transition: border-color .15s, background .15s, color .15s;
}

.saas-docfmt-btn:hover {
    border-color: #bfdbfe;
    background: #f8fbff;
}

.saas-docfmt-btn.active {
    border-color: var(--saas-blue);
    background: var(--saas-blue-soft);
    color: var(--saas-blue);
}

.saas-img-format-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
}

.saas-fmt-btn {
    padding: 6px 4px;
    border-radius: 7px;
    border: 1.5px solid var(--saas-border);
    background: var(--saas-surface);
    font-size: 11.5px;
    font-weight: 600;
    color: var(--saas-subtext);
    cursor: pointer;
    text-align: center;
    transition: all .15s;
    font-family: inherit;
}

.saas-fmt-btn:hover {
    border-color: var(--saas-blue);
    color: var(--saas-blue);
}

.saas-fmt-btn.active {
    border-color: var(--saas-blue);
    background: var(--saas-blue-soft);
    color: var(--saas-blue);
}


/* ─── Documents table ─── */

.saas-docs-section {
    margin-top: 28px;
}

.saas-status-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.saas-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 13px;
    border-radius: 999px;
    border: 1px solid var(--saas-border);
    background: var(--saas-surface);
    color: var(--saas-subtext);
    font-size: 12.5px;
    font-weight: 600;
    text-decoration: none;
    transition: all .15s;
}

.saas-pill:hover {
    border-color: #93c5fd;
    background: var(--saas-blue-soft);
    color: var(--saas-blue);
}

.saas-pill.active {
    border-color: var(--saas-blue);
    background: var(--saas-blue-soft);
    color: var(--saas-blue);
}

.saas-table-wrap {
    overflow-x: auto;
}

.saas-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 640px;
}

.saas-table thead th {
    padding: 11px 14px;
    background: #f8fafc;
    border-bottom: 2px solid var(--saas-border);
    font-size: 11.5px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--saas-muted);
    text-align: left;
    white-space: nowrap;
}

.saas-table tbody td {
    padding: 13px 14px;
    border-bottom: 1px solid #f8fafc;
    font-size: 13.5px;
    vertical-align: middle;
}

.saas-table tbody tr:last-child td {
    border-bottom: none;
}

.saas-table tbody tr:hover td {
    background: #fafbfc;
}

.saas-doc-number {
    font-weight: 700;
    color: var(--saas-blue);
}

.saas-badge-paid {
    background: var(--saas-green-soft);
    color: var(--saas-green);
    border: 1px solid #a7f3d0;
    border-radius: 999px;
    padding: 3px 10px;
    font-size: 11.5px;
    font-weight: 700;
}

.saas-badge-unpaid {
    background: var(--saas-amber-soft);
    color: var(--saas-amber);
    border: 1px solid #fde68a;
    border-radius: 999px;
    padding: 3px 10px;
    font-size: 11.5px;
    font-weight: 700;
}

.saas-badge-partial {
    background: #eff6ff;
    color: var(--saas-blue);
    border: 1px solid #bfdbfe;
    border-radius: 999px;
    padding: 3px 10px;
    font-size: 11.5px;
    font-weight: 700;
}

.saas-row-actions {
    display: flex;
    gap: 6px;
    align-items: center;
    flex-wrap: wrap;
}

.saas-empty-row td {
    text-align: center;
    padding: 40px;
    color: var(--saas-muted);
    font-size: 14px;
}


/* ─── Partial payment modal ─── */

.saas-modal-bg {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, .45);
    backdrop-filter: blur(4px);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.saas-modal-bg.open {
    display: flex;
}

.saas-modal {
    background: var(--saas-surface);
    border-radius: var(--saas-radius-lg);
    width: 100%;
    max-width: 420px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, .2);
    animation: saas-slide-up .2s ease;
}

@keyframes saas-slide-up {
    from {
        opacity: 0;
        transform: translateY(16px) scale(.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.saas-modal-header {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 20px 20px 16px;
    border-bottom: 1px solid var(--saas-border);
}

.saas-modal-icon {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: var(--saas-blue);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.saas-modal-header h3 {
    margin: 0 0 2px;
    font-size: 15px;
    font-weight: 700;
}

.saas-modal-sub {
    margin: 0;
    font-size: 12.5px;
    color: var(--saas-muted);
}

.saas-modal-close {
    margin-left: auto;
    background: none;
    border: none;
    font-size: 22px;
    color: var(--saas-muted);
    cursor: pointer;
    padding: 0;
    line-height: 1;
    flex-shrink: 0;
}

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

.saas-modal-balances {
    display: flex;
    background: #f8fafc;
    border-bottom: 1px solid var(--saas-border);
}

.saas-bal-item {
    flex: 1;
    text-align: center;
    padding: 14px 10px;
}

.saas-bal-item+.saas-bal-item {
    border-left: 1px solid var(--saas-border);
}

.saas-bal-label {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--saas-muted);
}

.saas-bal-value {
    font-size: 14px;
    font-weight: 800;
    color: var(--saas-text);
    margin-top: 3px;
}

.saas-bal-value.paid {
    color: var(--saas-green);
}

.saas-bal-value.remaining {
    color: var(--saas-red);
}

.saas-modal-body {
    padding: 18px 20px 12px;
}

.saas-amount-wrap {
    display: flex;
    align-items: center;
    border: 1.5px solid var(--saas-border);
    border-radius: var(--saas-radius);
    overflow: hidden;
    transition: border-color .15s, box-shadow .15s;
}

.saas-amount-wrap:focus-within {
    border-color: var(--saas-blue);
    box-shadow: 0 0 0 3px var(--saas-blue-ring);
}

.saas-currency-chip {
    padding: 0 14px;
    background: #f0f7ff;
    border-right: 1.5px solid var(--saas-border);
    font-size: 12.5px;
    font-weight: 700;
    color: var(--saas-blue);
    align-self: stretch;
    display: flex;
    align-items: center;
    white-space: nowrap;
}

.saas-amount-input {
    flex: 1;
    border: none;
    outline: none;
    padding: 11px 14px;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--saas-text);
    background: transparent;
    font-family: inherit;
}

.saas-amount-input::-webkit-inner-spin-button,
.saas-amount-input::-webkit-outer-spin-button {
    -webkit-appearance: none;
}

.saas-amount-input {
    -moz-appearance: textfield;
}

.saas-hint {
    font-size: 12px;
    color: var(--saas-muted);
    margin-top: 6px;
    min-height: 18px;
}

.saas-hint.error {
    color: var(--saas-red);
    font-weight: 600;
}

.saas-quick-btns {
    display: flex;
    gap: 6px;
    margin: 12px 0 0;
}

.saas-quick-btn {
    flex: 1;
    padding: 7px 4px;
    border-radius: 7px;
    border: 1.5px solid var(--saas-border);
    background: #f8fafc;
    font-size: 12.5px;
    font-weight: 700;
    color: var(--saas-blue);
    cursor: pointer;
    font-family: inherit;
    transition: all .15s;
}

.saas-quick-btn:hover {
    background: var(--saas-blue-soft);
    border-color: var(--saas-blue);
}

.saas-modal-footer {
    display: flex;
    gap: 10px;
    padding: 14px 20px 20px;
    border-top: 1px solid var(--saas-border);
}


/* ─── Footer ─── */

.saas-footer {
    background: linear-gradient(135deg, #111827, #1f2937);
    border-radius: var(--saas-radius-lg);
    margin-top: 40px;
    padding: 24px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.saas-footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 16px;
}

.saas-footer-links a {
    color: #9ca3af;
    text-decoration: none;
    font-size: 13px;
    transition: color .15s;
}

.saas-footer-links a:hover {
    color: #fff;
}

.saas-footer-copy {
    color: #6b7280;
    font-size: 12.5px;
}

.saas-whatsapp-btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 8px 16px;
    border-radius: 999px;
    background: #16a34a;
    color: #fff;
    text-decoration: none;
    font-size: 13px;
    font-weight: 700;
    transition: background .15s;
}

.saas-whatsapp-btn:hover {
    background: #15803d;
    color: #fff;
}


/* ─── Responsive ─── */

@media (max-width: 1080px) {
    .saas-main-layout {
        grid-template-columns: 1fr;
    }
    .saas-tools-grid {
        grid-template-columns: 1fr 1fr;
    }
    .saas-template-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .saas-hero-tools {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 700px) {
    .saas-container {
        padding: 16px 14px 32px;
    }
    .saas-hero {
        padding: 24px 18px 20px;
    }
    .saas-hero h1 {
        font-size: 20px;
    }
    .saas-template-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .saas-hero-tools {
        grid-template-columns: 1fr;
    }
    .saas-tools-grid {
        grid-template-columns: 1fr;
    }
    .saas-form-row,
    .saas-form-row-3,
    .saas-head-grid,
    .saas-foot-grid {
        grid-template-columns: 1fr;
    }
    .saas-totals {
        justify-content: stretch;
    }
    .saas-totals-inner {
        min-width: 0;
        width: 100%;
    }
    .saas-navbar-inner {
        padding: 0 14px;
    }
    .saas-nav-links {
        display: none;
    }
    .saas-hamburger {
        display: inline-flex;
    }
    .saas-nav-links.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background: var(--saas-surface);
        border-bottom: 1px solid var(--saas-border);
        padding: 12px 16px;
        gap: 4px;
        z-index: 99;
    }
    .saas-stats-grid {
        grid-template-columns: 1fr 1fr;
    }
    .saas-footer {
        flex-direction: column;
        align-items: flex-start;
    }
    .saas-hero-top {
        flex-direction: column;
    }
    .saas-invoice-actions {
        flex-direction: column;
    }
    .saas-invoice-actions .saas-btn {
        width: 100%;
    }
}

@media (max-width: 440px) {
    .saas-template-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .saas-img-format-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .saas-tool-shortcut {
        padding: 10px;
    }
}


/* ─── Sign PDF tool ─── */

#sign-canvas-wrap {
    position: relative;
    background: #f1f5f9;
    border-radius: 8px;
    overflow: hidden;
    cursor: crosshair;
    margin-bottom: 4px;
}

#sign-canvas-wrap canvas {
    display: block;
    width: 100%;
}

#sign-field-overlay {
    position: absolute;
    inset: 0;
}


/* ── Sign PDF – Approver cards ─────────────────────────────── */

.sign-ap-card {
    position: relative;
    border: 2px solid var(--saas-border);
    border-left: 4px solid var(--ap-color, var(--saas-blue));
    border-radius: 10px;
    background: #fff;
    padding: 12px 14px;
    margin-bottom: 10px;
    cursor: pointer;
    transition: border-color .18s, box-shadow .18s, background .18s;
}

.sign-ap-card:hover {
    box-shadow: 0 2px 12px rgba(0, 0, 0, .07);
}

.sign-ap-card--active {
    border-color: var(--ap-color, var(--saas-blue));
    background: color-mix(in srgb, var(--ap-color, var(--saas-blue)) 6%, #fff);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--ap-color, var(--saas-blue)) 18%, transparent);
}


/* Header row */

.sign-ap-card__header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}

.sign-ap-badge {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--ap-color, var(--saas-blue));
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 6px color-mix(in srgb, var(--ap-color, var(--saas-blue)) 40%, transparent);
}

.sign-ap-label {
    flex: 1;
    font-size: 13px;
    font-weight: 600;
    color: var(--saas-text);
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.sign-ap-active-pill {
    font-size: 10px;
    font-weight: 600;
    color: var(--ap-color, var(--saas-blue));
    background: color-mix(in srgb, var(--ap-color, var(--saas-blue)) 12%, #fff);
    border: 1px solid color-mix(in srgb, var(--ap-color, var(--saas-blue)) 30%, transparent);
    border-radius: 20px;
    padding: 1px 8px;
    letter-spacing: .3px;
    white-space: nowrap;
}

.sign-ap-remove-btn {
    flex-shrink: 0;
    background: none;
    border: none;
    cursor: pointer;
    color: #94a3b8;
    font-size: 20px;
    line-height: 1;
    padding: 0 2px;
    border-radius: 4px;
    transition: color .15s, background .15s;
}

.sign-ap-remove-btn:hover {
    color: #ef4444;
    background: #fef2f2;
}


/* Two-column inputs grid */

.sign-ap-card__fields {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.sign-ap-field-wrap {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.sign-ap-field-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--saas-muted);
    text-transform: uppercase;
    letter-spacing: .4px;
}

.sign-ap-field-wrap .saas-form-control {
    font-size: 13px;
    padding: 7px 10px;
}


/* Responsive: stack on narrow cards / small screens */

@media (max-width: 500px) {
    .sign-ap-card__fields {
        grid-template-columns: 1fr;
    }
}


/* ─── Print styles ─── */

@media print {
    .saas-navbar,
    .saas-hero,
    .saas-account-col,
    .saas-tools-section,
    .saas-docs-section,
    .saas-footer,
    .saas-invoice-actions,
    .saas-style-grid,
    .saas-card-header .saas-btn,
    .saas-remove-btn,
    #add-item-btn {
        display: none !important;
    }
    .saas-main-layout {
        grid-template-columns: 1fr !important;
    }
    .saas-invoice-sheet-wrapper {
        border: none !important;
        padding: 0 !important;
    }
    body {
        background: #fff !important;
    }
}


/* ─── Invoice sheet styles (preserved for PDF export) ─── */

.invoice-sheet {
    background: #fff;
    border-radius: 8px;
    padding: 24px;
    font-family: 'Poppins', 'Inter', 'DM Sans', sans-serif;
}

.doc-title {
    margin: 0 0 8px;
    font-size: 28px;
    font-weight: 800;
    text-transform: uppercase;
    color: #111827;
}

.doc-top-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 12px;
}

.doc-meta-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    border-radius: 7px;
    font-size: 13px;
    font-weight: 600;
    color: #1e40af;
    margin-bottom: 14px;
}

.invoice-head-grid {
    display: grid;
    grid-template-columns: 1.45fr .55fr;
    gap: 12px;
    margin-bottom: 16px;
}

.invoice-head-grid label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: #6b7280;
    display: block;
    margin-bottom: 4px;
}

.invoice-head-grid textarea,
.invoice-head-grid input,
.invoice-head-grid select {
    width: 100%;
    padding: 8px 10px;
    border: 1.5px solid #e5e7eb;
    border-radius: 7px;
    font-family: inherit;
    font-size: 13px;
    color: #111827;
    background: #fff;
    outline: none;
    transition: border-color .15s, box-shadow .15s;
}

.invoice-head-grid textarea:focus,
.invoice-head-grid input:focus,
.invoice-head-grid select:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, .15);
}

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

.invoice-items-table th {
    padding: 9px 10px;
    background: #f8fafc;
    border-bottom: 2px solid #e5e7eb;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    color: #6b7280;
}

.invoice-items-table td {
    padding: 8px 10px;
    border-bottom: 1px solid #f3f4f6;
    vertical-align: top;
}

.invoice-items-table input,
.invoice-items-table textarea {
    background: #fafafa;
}

.totals-box {
    justify-self: end;
    text-align: right;
    min-width: 240px;
}

.totals-box p {
    margin: 0;
    padding: 5px 0;
    border-bottom: 1px solid #f1f5f9;
    font-size: 13px;
}

.invoice-total {
    font-size: 18px;
    font-weight: 800;
    color: #1e40af;
    border-top: 2px solid #e5e7eb !important;
    padding-top: 10px !important;
}

.items-table-wrap {
    margin-bottom: 12px;
}

.invoice-foot-grid {
    display: grid;
    grid-template-columns: 1.4fr .6fr;
    gap: 12px;
    margin-top: 12px;
}

.brand-preview {
    display: flex;
    justify-content: flex-end;
    min-height: 50px;
}

#brand-logo-preview {
    max-width: 180px;
    max-height: 64px;
    object-fit: contain;
}

.brand-empty {
    min-width: 120px;
}

.signature-preview {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 90px;
    border: 1.5px dashed #e5e7eb;
    border-radius: 8px;
}

#signature-preview-image {
    max-width: 160px;
    max-height: 80px;
    object-fit: contain;
}

.signature-empty {
    min-width: 120px;
    min-height: 70px;
}

.export-value {
    white-space: pre-wrap;
}

.invoice-style-classic {
    font-family: 'Poppins', 'Inter', 'DM Sans', sans-serif;
    background: #fafafa;
}

.invoice-style-minimal {
    font-family: 'Poppins', 'Inter', 'DM Sans', sans-serif;
    background: #f8fafc;
}

.invoice-style-sunrise {
    background: #fffbeb;
}

.invoice-style-forest {
    background: #f0fdf4;
}

.footer-thank-you {
    font-weight: 700;
    margin-top: 8px;
}

.signature-title {
    font-weight: 700;
    font-size: 13px;
    text-align: center;
    border-top: 2px solid #e5e7eb;
    padding-top: 6px;
    margin-top: 4px;
}

.text-right {
    text-align: right;
}