/* ============================================
   INVOICO PRO — Design System v2
   Dark Elegant · Indigo Accent · Print-Optimized
   ============================================ */

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

/* --- CSS Variables --- */
:root {
    /* Brand Colors - Now More Professional Sapphire Blue */
    --primary:        #2563EB;
    --primary-hover:  #1D4ED8;
    --primary-soft:   #F0F7FF;
    --primary-border: #DBEAFE;
    --primary-glow:   rgba(37, 99, 235, 0.15);

    /* Dark Palette - Refined Slate */
    --navy:        #0F172A; /* Slate 950 */
    --navy-800:    #1E293B; /* Slate 800 */
    --navy-700:    #334155;
    --navy-600:    #475569;
    --navy-500:    #64748B;
    --navy-400:    #94A3B8;

    /* Gray Scale */
    --gray-50:  #F8FAFC;
    --gray-100: #F1F5F9;
    --gray-200: #E2E8F0;
    --gray-300: #CBD5E1;
    --gray-400: #94A3B8;
    --gray-500: #64748B;

    /* Text */
    --text-base:  #1E293B;
    --text-muted: #64748B;
    --text-light: #94A3B8;

    /* Accents */
    --accent:        #059669; /* Emerald 600 */
    --accent-soft:   #ECFDF5;
    --accent-border: #D1FAE5;

    --warning:        #D97706; /* Amber 600 */
    --warning-soft:   #FFFBEB;
    --warning-border: #FEF3C7;

    --danger:        #DC2626; /* Red 600 */
    --danger-soft:   #FEF2F2;
    --danger-border: #FEE2E2;

    --violet:      #4F46E5; /* Indigo 600 */
    --violet-soft: #EEF2FF;

    /* App Backgrounds */
    --bg-app:    #F1F5F9;
    --bg-app-2:  #0F172A;
    --sidebar-w: 240px;

    /* Radius */
    --radius-sm: 5px;
    --radius-md: 9px;
    --radius-lg: 14px;
    --radius-xl: 18px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.15), 0 2px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.4), 0 8px 20px rgba(0,0,0,0.2);

    /* A4 */
    --a4-w: 794px;
}

/* --- Reset & Base --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html { font-size: 16px; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-app);
    color: var(--text-base);
    line-height: 1.5;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

button { font-family: inherit; cursor: pointer; border: none; outline: none; }
input, textarea { font-family: inherit; }
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: rgba(255,255,255,0.03); }
::-webkit-scrollbar-thumb { background: var(--navy-600); border-radius: 10px; }

/* ============================================
   APP LAYOUT
   ============================================ */

.app-shell {
    display: flex;
    min-height: 100vh;
}

/* --- Sidebar --- */
.sidebar {
    width: var(--sidebar-w);
    background: var(--navy);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 100;
    border-right: 1px solid rgba(255,255,255,0.05);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 20px 16px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.brand-icon {
    width: 34px;
    height: 34px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--violet) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 16px;
    flex-shrink: 0;
    box-shadow: 0 4px 12px var(--primary-glow);
}

.brand-text {
    display: flex;
    align-items: baseline;
    gap: 5px;
}

.brand-name {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 16px;
    font-weight: 700;
    color: white;
    letter-spacing: -0.4px;
}

.brand-tag {
    font-size: 9px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--violet));
    color: white;
    padding: 1px 5px;
    border-radius: 100px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.sidebar-nav {
    padding: 20px 10px;
    flex: 1;
}

.nav-section-label {
    font-size: 9.5px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(255,255,255,0.25);
    padding: 0 8px;
    margin-bottom: 6px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 9px;
    width: 100%;
    padding: 9px 10px;
    border-radius: var(--radius-md);
    color: rgba(255,255,255,0.5);
    font-size: 13px;
    font-weight: 500;
    background: transparent;
    margin-bottom: 2px;
    transition: all 0.15s ease;
}

.nav-item i { font-size: 17px; }
.nav-item:hover { background: rgba(255,255,255,0.06); color: rgba(255,255,255,0.85); }
.nav-item.active {
    background: linear-gradient(135deg, rgba(99,102,241,0.2), rgba(139,92,246,0.15));
    color: white;
    border: 1px solid rgba(99,102,241,0.25);
}

.sidebar-footer {
    padding: 16px 10px 20px;
    border-top: 1px solid rgba(255,255,255,0.06);
}

.btn-export {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    background: linear-gradient(135deg, var(--primary) 0%, #3B82F6 100%);
    color: white;
    padding: 11px 14px;
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 600;
    transition: all 0.2s ease;
    position: relative;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

.btn-export i { font-size: 17px; }
.btn-export span { flex: 1; }

.btn-export-badge {
    background: rgba(255,255,255,0.15);
    font-size: 9px;
    font-weight: 700;
    padding: 2px 5px;
    border-radius: 4px;
    letter-spacing: 0.5px;
}

.btn-export:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.3);
}

.btn-export:disabled {
    opacity: 0.6;
    transform: none;
    box-shadow: none;
    cursor: not-allowed;
}

.export-hint {
    font-size: 10.5px;
    color: rgba(255,255,255,0.25);
    text-align: center;
    margin-top: 7px;
}

/* --- Main Content --- */
.main-content {
    margin-left: var(--sidebar-w);
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 36px;
    background: var(--bg-app-2);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(20px);
}

.page-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 15px;
    font-weight: 700;
    color: rgba(255,255,255,0.9);
    letter-spacing: -0.2px;
}

.page-subtitle {
    font-size: 11.5px;
    color: rgba(255,255,255,0.3);
    margin-top: 1px;
    display: block;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 11.5px;
    font-weight: 500;
    color: var(--accent);
}

.status-dot-pulse {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    position: relative;
}

.status-dot-pulse::after {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: 50%;
    background: var(--accent);
    opacity: 0.25;
    animation: pulse-ring 1.8s cubic-bezier(0.4,0,0.6,1) infinite;
}

@keyframes pulse-ring {
    0%, 100% { transform: scale(1); opacity: 0.25; }
    50% { transform: scale(1.6); opacity: 0; }
}

.paper-container {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 40px;
    background: #F1F5F9; /* Muted Slate Background */
}

/* ============================================
   INVOICE PAPER
   ============================================ */

.invoice-paper {
    width: var(--a4-w);
    min-height: 1060px;
    max-width: 100%;
    background: white;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-xl);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: fadeInUp 0.45s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
}

/* Decorative top strip - Subtle Gradient */
.invoice-paper::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary) 0%, #60A5FA 100%);
    z-index: 2;
}

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

/* Content padding */
.iv-header,
.iv-billing-section,
.iv-table-wrap,
.iv-bottom-grid,
.iv-signatures,
.iv-footer {
    padding-left: 36px;
    padding-right: 36px;
}

/* ---- HEADER ---- */
.iv-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding-top: 22px;
    padding-bottom: 10px;
    background: white;
}

.iv-company {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.iv-logo {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-700) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    position: relative;
    overflow: hidden;
}

.iv-logo::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--primary-glow) 0%, transparent 60%);
}

.iv-company-name {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 16px;
    font-weight: 700;
    color: var(--navy);
    letter-spacing: -0.3px;
    line-height: 1.2;
}

.iv-company-tagline {
    font-size: 11.5px;
    font-weight: 500;
    color: var(--primary);
    margin-top: 2px;
    letter-spacing: 0.1px;
}

.iv-company-address,
.iv-company-contact {
    font-size: 11px;
    color: var(--gray-400);
    margin-top: 2px;
    line-height: 1.4;
}

.iv-title-block {
    text-align: right;
}

.iv-main-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 36px;
    font-weight: 900;
    background: linear-gradient(135deg, #E5E7EB 0%, #D1D5DB 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 6px;
    line-height: 1;
    margin-bottom: 8px;
}

.iv-number-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    padding: 5px 10px;
}

.iv-hash {
    color: var(--primary);
    font-weight: 700;
    font-size: 12px;
}

.iv-number {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 13px;
    font-weight: 700;
    color: var(--navy);
    letter-spacing: 0.3px;
}

/* ---- ACCENT LINE ---- */
.iv-accent-line {
    height: 1px;
    background: linear-gradient(90deg, var(--primary-border) 0%, var(--primary) 30%, var(--violet) 70%, transparent 100%);
    margin: 0 36px;
    opacity: 0.6;
}

/* ---- META STRIP ---- */
.iv-meta-strip {
    display: flex;
    align-items: stretch;
    background: var(--gray-50);
    border-top: 1px solid var(--gray-100);
    border-bottom: 1px solid var(--gray-100);
    margin-top: 8px;
}

.iv-meta-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 7px 16px;
}

.iv-meta-divider {
    width: 1px;
    background: linear-gradient(180deg, transparent, var(--primary-border), transparent);
    flex-shrink: 0;
    margin: 6px 0;
}

.iv-meta-label {
    font-size: 9px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--primary);
    opacity: 0.7;
}

.iv-meta-val {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 14px;
    font-weight: 700;
    color: var(--navy);
}

.iv-meta-highlight {
    font-size: 14px;
    color: var(--primary);
}

.iv-date-input {
    background: transparent;
    border: none;
    outline: none;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 14px;
    font-weight: 700;
    color: var(--navy);
    cursor: pointer;
    padding: 0;
    width: 100%;
}

.iv-date-danger { color: var(--danger); }
.iv-date-input::-webkit-calendar-picker-indicator { cursor: pointer; opacity: 0.5; }

/* Status Badge */
.iv-status-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 9px;
    border-radius: 100px;
    font-size: 10.5px;
    font-weight: 700;
    cursor: pointer;
    user-select: none;
    border: 1px solid transparent;
    width: fit-content;
    transition: all 0.15s;
}

.iv-status-dot { width: 6px; height: 6px; border-radius: 50%; }

.iv-status-waiting {
    background: var(--warning-soft);
    color: var(--warning);
    border-color: var(--warning-border);
}
.iv-status-waiting .iv-status-dot { background: var(--warning); }

.iv-status-paid {
    background: var(--accent-soft);
    color: var(--accent);
    border-color: var(--accent-border);
}
.iv-status-paid .iv-status-dot { background: var(--accent); }

.iv-status-cancelled {
    background: var(--danger-soft);
    color: var(--danger);
    border-color: var(--danger-border);
}
.iv-status-cancelled .iv-status-dot { background: var(--danger); }

/* ---- BILLING SECTION ---- */
.iv-billing-section {
    display: flex;
    align-items: flex-start;
    gap: 0;
    padding-top: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--gray-100);
    position: relative;
}

.iv-billing-from,
.iv-billing-to {
    flex: 1;
}

.iv-billing-arrow {
    padding: 4px 20px;
    padding-top: 22px;
    color: var(--primary-border);
    font-size: 16px;
    flex-shrink: 0;
}

.iv-section-label {
    font-size: 9px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--primary);
    margin-bottom: 6px;
    opacity: 0.8;
}

.iv-billing-name {
    font-size: 14.5px;
    font-weight: 700;
    color: var(--navy);
}

.iv-billing-detail {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 3px;
}

/* Editable / Input fields */
[contenteditable="true"] {
    outline: none;
    border-radius: 3px;
    border: 1px dashed transparent;
    transition: all 0.15s;
    cursor: text;
}

[contenteditable="true"]:hover {
    border-color: var(--primary-border);
    background: var(--primary-soft);
}

[contenteditable="true"]:focus {
    border-color: var(--primary);
    background: #EEF2FF;
}

.iv-field-input {
    display: block;
    background: transparent;
    border: 1px dashed transparent;
    border-radius: 3px;
    width: 100%;
    font-family: 'Inter', sans-serif;
    font-size: 13px;
    color: var(--text-base);
    outline: none;
    resize: none;
    transition: all 0.15s;
    padding: 2px 5px;
    margin-left: -5px;
}

.iv-field-input:hover {
    border-color: var(--primary-border);
    background: var(--primary-soft);
}

.iv-field-input:focus {
    border-color: var(--primary);
    background: #EEF2FF;
    border-style: solid;
}

.iv-field-input::placeholder { color: var(--gray-300); }

.iv-client-name {
    font-size: 15px;
    font-weight: 700;
    color: var(--navy);
    padding: 3px 5px;
    margin-left: -5px;
}

.iv-client-addr {
    font-size: 12px;
    color: var(--text-muted);
    min-height: 34px;
}

.iv-client-contact {
    font-size: 12px;
    color: var(--text-muted);
}

/* ---- TABLE ---- */
.iv-table-wrap {
    padding-top: 0;
    padding-bottom: 0;
    flex: 1;
}

.iv-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 8px;
}

.iv-table thead tr {
    background: var(--gray-50);
}

.iv-table th {
    padding: 6px 8px;
    font-size: 9px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--navy-500);
    border-top: 1px solid var(--gray-200);
    border-bottom: 1px solid var(--gray-200);
    text-align: left;
}

.iv-table th.col-no { width: 32px; text-align: center; }
.iv-table th.col-desc { text-align: left; }
.iv-table th.col-qty { width: 55px; text-align: center; }
.iv-table th.col-price { width: 120px; text-align: right; }
.iv-table th.col-total { width: 120px; text-align: right; }
.iv-table th.col-action { width: 30px; background: transparent; border: none; }

.iv-table td {
    padding: 5px 8px;
    border-bottom: 1px solid var(--gray-100);
    vertical-align: middle;
    font-size: 12.5px;
}

.iv-table td.td-no {
    text-align: center;
    font-size: 11px;
    color: var(--gray-400);
    font-weight: 600;
}

.iv-table td.td-total {
    text-align: right;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    color: var(--navy);
    font-size: 13px;
}

.iv-table tr:last-child td { border-bottom: none; }
.iv-table tr:hover td { background: #FAFBFF; }

.tbl-input {
    width: 100%;
    border: none;
    background: transparent;
    font-family: inherit;
    font-size: 12.5px;
    color: var(--text-base);
    outline: none;
    padding: 2px 5px;
    border-radius: 3px;
    margin: 0 -5px;
    width: calc(100% + 10px);
    transition: all 0.15s;
}

.tbl-input:focus {
    background: var(--primary-soft);
    box-shadow: 0 0 0 1.5px var(--primary-border);
}

.tbl-input[type="number"] {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    text-align: inherit;
    -moz-appearance: textfield;
    appearance: textfield;
}

.tbl-input[type="number"]::-webkit-outer-spin-button,
.tbl-input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
}

textarea.tbl-input {
    resize: none;
    overflow: hidden;
    line-height: 1.4;
    min-height: 24px;
}

.tbl-delete {
    background: none;
    border: none;
    color: var(--gray-300);
    cursor: pointer;
    font-size: 15px;
    padding: 3px;
    border-radius: var(--radius-sm);
    transition: all 0.15s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tbl-delete:hover {
    color: var(--danger);
    background: var(--danger-soft);
}

.iv-add-row {
    padding: 10px 0;
    border-top: 1px dashed var(--primary-border);
    margin-top: 2px;
}

.btn-add-item {
    display: flex;
    align-items: center;
    gap: 6px;
    background: transparent;
    border: none;
    color: var(--primary);
    font-size: 12.5px;
    font-weight: 500;
    padding: 6px 8px;
    border-radius: var(--radius-sm);
    transition: all 0.15s;
    opacity: 0.7;
}

.btn-add-item i { font-size: 15px; }

.btn-add-item:hover {
    color: var(--primary);
    background: var(--primary-soft);
    opacity: 1;
}

/* ---- BOTTOM GRID ---- */
.iv-bottom-grid {
    display: grid;
    grid-template-columns: 1fr 220px;
    gap: 20px;
    padding-top: 10px;
    padding-bottom: 10px;
    border-top: 1px solid var(--gray-100);
    margin-top: auto;
}

/* Bank block */
.iv-bank-block { margin-bottom: 10px; }

.iv-bank-card {
    background: var(--navy);
    border-radius: var(--radius-md);
    padding: 14px 16px;
    color: white;
    position: relative;
    overflow: hidden;
}

.iv-bank-card::before {
    content: '';
    position: absolute;
    top: -20px;
    right: -20px;
    width: 80px;
    height: 80px;
    background: radial-gradient(circle, rgba(99,102,241,0.2) 0%, transparent 70%);
    border-radius: 50%;
}

.iv-bank-card::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 30px;
    width: 60px;
    height: 60px;
    background: radial-gradient(circle, rgba(139,92,246,0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.iv-bank-row {
    display: flex;
    align-items: center;
    gap: 7px;
}

.iv-bank-name-row {
    font-size: 11px;
    font-weight: 600;
    opacity: 0.65;
    margin-bottom: 8px;
}

.iv-bank-name-row i { font-size: 13px; color: #34D399; }

.iv-bank-number {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 15px;
    font-weight: 800;
    letter-spacing: 2.5px;
    margin-bottom: 7px;
    position: relative;
    z-index: 1;
}

.iv-bank-owner {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 12px;
    position: relative;
    z-index: 1;
}

.iv-bank-owner-label {
    font-size: 10px;
    opacity: 0.45;
}

.iv-bank-owner-name {
    font-weight: 600;
}



.iv-notes-area {
    font-size: 11.5px;
    color: var(--text-muted);
    min-height: 48px;
    line-height: 1.6;
}

/* Summary */
.iv-summary-block {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.iv-summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 7px 0;
    border-bottom: 1px solid var(--gray-100);
}

.iv-ppn-row { border-bottom: 1px solid var(--gray-100); }

.iv-summary-label {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 500;
}

.iv-summary-val {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 13px;
    font-weight: 700;
    color: var(--navy);
}

/* Toggle PPN */
.iv-ppn-toggle {
    padding: 8px 0;
    border-bottom: 1px solid var(--gray-100);
}

.iv-toggle {
    display: flex;
    align-items: center;
    gap: 9px;
    cursor: pointer;
    user-select: none;
}

.iv-toggle input { display: none; }

.iv-toggle-track {
    position: relative;
    width: 32px;
    height: 18px;
    background: var(--gray-200);
    border-radius: 100px;
    transition: background 0.2s;
    flex-shrink: 0;
}

.iv-toggle-track::after {
    content: '';
    position: absolute;
    width: 12px;
    height: 12px;
    background: white;
    border-radius: 50%;
    top: 3px;
    left: 3px;
    transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 1px 4px rgba(0,0,0,0.2);
}

.iv-toggle input:checked ~ .iv-toggle-track { background: var(--primary); }
.iv-toggle input:checked ~ .iv-toggle-track::after { transform: translateX(14px); }

.iv-toggle-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
}

/* Total Row */
.iv-summary-total-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 10px;
    margin-top: 2px;
    border-top: 2px solid var(--primary-border);
}

.iv-total-label {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--navy);
}

.iv-total-val {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 24px;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.5px;
}

/* ---- SIGNATURES ---- */
.iv-signatures {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding-top: 0;
    padding-bottom: 10px;
    border-top: 1px solid var(--gray-100);
}

.iv-sig-block {
    display: flex;
    flex-direction: column;
    align-items: center; /* Centered internally */
    text-align: center;   /* Centered text */
    width: 180px;         /* Slightly wider for better balance */
    padding-top: 14px;
}

.iv-sig-block.iv-sig-right {
    align-items: center;
    text-align: center;
}

.iv-sig-role {
    font-size: 10px;
    color: var(--primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
    opacity: 0.8;
}

.iv-sig-space {
    height: 40px;
    width: 100%;
    position: relative;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.iv-stamp-wrap {
    position: absolute;
    right: 0;
    top: 8px;
    transform: rotate(-12deg);
}

.iv-stamp {
    border: 2px solid var(--accent);
    color: var(--accent);
    font-size: 14px;
    font-weight: 900;
    font-family: 'Space Grotesk', sans-serif;
    padding: 2px 12px;
    border-radius: 5px;
    letter-spacing: 3px;
    opacity: 0.85;
}

.iv-sig-line {
    height: 1px;
    background: linear-gradient(90deg, var(--primary-border), var(--navy-700));
    width: 100%;
    margin-bottom: 5px;
    opacity: 0.5;
}

.iv-sig-name {
    font-size: 13px;
    font-weight: 700;
    color: var(--navy);
    width: 100%;
}

.iv-sig-title {
    font-size: 10.5px;
    color: var(--text-muted);
    margin-top: 1px;
    width: 100%;
}

/* ---- FOOTER ---- */
.iv-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding-top: 7px;
    padding-bottom: 10px;
    border-top: 1px solid var(--gray-100);
    font-size: 10px;
    color: var(--gray-300);
    background: linear-gradient(135deg, #FAFBFF 0%, #F9FAFF 100%);
    letter-spacing: 0.2px;
}

.iv-footer-dot { color: var(--primary-border); }

/* ============================================
   EXPORT / PRINT STYLES
   ============================================ */

@media print {
    * {
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }

    @page {
        size: A4 portrait;
        margin: 0;
    }

    html, body {
        width: 210mm;
        height: 297mm;
        margin: 0 !important;
        padding: 0 !important;
        background: white !important;
        overflow: visible !important;
    }

    .app-shell {
        display: block !important;
        width: 210mm !important;
    }

    /* Hide UI chrome */
    .sidebar,
    .topbar,
    [data-html2canvas-ignore],
    .iv-add-row,
    .tbl-delete,
    .col-action,
    .iv-ppn-toggle {
        display: none !important;
    }

    .main-content {
        margin-left: 0 !important;
        width: 210mm !important;
        min-height: auto !important;
    }

    .paper-container {
        padding: 0 !important;
        background: white !important;
        display: block !important;
    }

    .invoice-paper {
        width: 210mm !important;
        min-height: 297mm !important;
        max-height: 297mm !important;
        border-radius: 0 !important;
        box-shadow: none !important;
        animation: none !important;
        margin: 0 !important;
        padding: 0 !important;
        overflow: hidden !important;
    }

    /* Keep the gradient bar on print */
    .invoice-paper::before {
        content: '';
        position: absolute !important;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        height: 4px !important;
        background: linear-gradient(90deg, #6366F1 0%, #8B5CF6 50%, #EC4899 100%) !important;
        display: block !important;
    }

    /* Override padding for all sections on print */
    .iv-header,
    .iv-billing-section,
    .iv-table-wrap,
    .iv-bottom-grid,
    .iv-signatures,
    .iv-footer {
        padding-left: 28px !important;
        padding-right: 28px !important;
    }

    .iv-accent-line {
        margin: 0 28px !important;
    }

    /* Make inputs look like plain text */
    input, textarea, [contenteditable="true"] {
        border: none !important;
        background: transparent !important;
        padding: 0 !important;
        margin: 0 !important;
        outline: none !important;
        box-shadow: none !important;
        appearance: none;
        resize: none !important;
        overflow: visible !important;
        color: inherit !important;
        font: inherit !important;
    }

    .iv-field-input, .tbl-input, .iv-date-input {
        width: 100% !important;
        display: inline-block !important;
    }

    input::-webkit-calendar-picker-indicator {
        display: none !important;
    }

    /* Print gradient text fallback */
    .iv-main-title {
        -webkit-text-fill-color: #D1D5DB !important;
        color: #D1D5DB !important;
    }

    .iv-meta-highlight {
        -webkit-text-fill-color: var(--primary) !important;
        color: var(--primary) !important;
    }

    .iv-total-val {
        -webkit-text-fill-color: var(--primary) !important;
        color: var(--primary) !important;
    }
}

/* ============================================
   RESPONSIVE (screen only)
   ============================================ */

@media screen and (max-width: 1024px) {
    :root { --sidebar-w: 200px; }
    .iv-header, .iv-billing-section, .iv-table-wrap,
    .iv-bottom-grid, .iv-signatures, .iv-footer {
        padding-left: 32px;
        padding-right: 32px;
    }
    .iv-accent-line { margin: 0 32px; }
}

@media screen and (max-width: 860px) {
    :root { --sidebar-w: 0px; }
    .sidebar { display: none; }
    .paper-container { padding: 16px; }
    .invoice-paper { width: 100%; min-width: 480px; }
    .iv-bottom-grid { grid-template-columns: 1fr; gap: 20px; }
    .iv-meta-strip { flex-wrap: wrap; }
    .iv-meta-item { min-width: 40%; }
    .topbar { padding: 14px 18px; }
}

/* Spin animation */
@keyframes spin {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}