:root {
    --bg: #090c13;
    --panel: rgba(16, 22, 34, 0.88);
    --panel-soft: rgba(22, 30, 46, 0.82);
    --border: rgba(255, 255, 255, 0.08);
    --text: #eef3ff;
    --muted: #9eaac5;
    --primary: linear-gradient(135deg, #4f7cff, #7b4dff);
    --primary-solid: #5f80ff;
    --danger: #ff5f83;
    --success: #24d39d;
    --warning: #ffb84f;
    --shadow: 0 20px 70px rgba(0, 0, 0, 0.35);
    --radius: 22px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; min-height: 100%; }
body {
    font-family: Inter, Arial, sans-serif;
    background:
        radial-gradient(circle at top left, rgba(123, 77, 255, 0.18), transparent 30%),
        radial-gradient(circle at top right, rgba(79, 124, 255, 0.14), transparent 25%),
        linear-gradient(180deg, #06080f 0%, #090d14 100%);
    color: var(--text);
}

a { color: inherit; text-decoration: none; }
h1, h2, h3, p { margin-top: 0; }
small { color: var(--muted); }

.app-shell { display: grid; grid-template-columns: 300px 1fr; min-height: 100vh; }
.sidebar {
    background: rgba(6, 9, 15, 0.8);
    border-right: 1px solid var(--border);
    padding: 28px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    backdrop-filter: blur(16px);
}
.sidebar-top h2 { margin: 10px 0 8px; font-size: 28px; }
.sidebar-top p { color: var(--muted); }
.nav { display: grid; gap: 12px; margin-top: 26px; }
.nav-link {
    padding: 14px 16px;
    border-radius: 16px;
    background: rgba(255,255,255,0.02);
    border: 1px solid transparent;
    transition: .18s ease;
}
.nav-link:hover,
.nav-link.active {
    background: rgba(99, 123, 255, 0.12);
    border-color: rgba(99, 123, 255, 0.22);
}
.sidebar-bottom { display: grid; gap: 16px; }
.mini-user {
    display: flex;
    align-items: center;
    gap: 14px;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 14px;
}
.mini-user-avatar {
    width: 48px;
    height: 48px;
    border-radius: 16px;
    display: grid;
    place-items: center;
    font-weight: 800;
    background: var(--primary);
}

.main-content { padding: 28px; }
.page-header {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    align-items: center;
    margin-bottom: 22px;
}
.page-header h1 { margin-bottom: 8px; font-size: 36px; }
.page-header p { color: var(--muted); margin-bottom: 0; }

.brand-pill {
    display: inline-flex;
    width: fit-content;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(95, 128, 255, 0.12);
    color: #cbd7ff;
    border: 1px solid rgba(95, 128, 255, 0.18);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.12em;
}

.panel,
.auth-card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    backdrop-filter: blur(16px);
}
.panel { padding: 24px; margin-bottom: 22px; }
.panel-soft {
    background: var(--panel-soft);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 18px;
}
.panel-head {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: center;
    margin-bottom: 20px;
}
.panel-head p { color: var(--muted); margin-bottom: 0; }

.premium-glow { position: relative; overflow: hidden; }
.premium-glow::after {
    content: "";
    position: absolute;
    inset: -40% auto auto -20%;
    width: 240px;
    height: 240px;
    background: radial-gradient(circle, rgba(123, 77, 255, 0.18), transparent 60%);
    pointer-events: none;
}

.stats-grid,
.quick-grid,
.grid-2,
.grid-3 {
    display: grid;
    gap: 18px;
}
.stats-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); margin-bottom: 22px; }
.quick-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-span-2 { grid-column: span 2; }

.stat-card,
.quick-card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 22px;
}
.stat-card span { color: var(--muted); display: block; margin-bottom: 12px; }
.stat-card strong { font-size: 34px; display: block; margin-bottom: 8px; }
.quick-card strong { display: block; margin-bottom: 8px; font-size: 20px; }
.quick-card span { color: var(--muted); display: block; }

.table-wrap {
    overflow: auto;
    border: 1px solid var(--border);
    border-radius: 18px;
}
.table {
    width: 100%;
    border-collapse: collapse;
    min-width: 760px;
}
.table th,
.table td {
    padding: 15px 16px;
    border-bottom: 1px solid var(--border);
    text-align: left;
}
.table th { color: #cdd8f5; font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em; }
.table td { color: var(--text); }
.muted { color: var(--muted); }

.field { display: grid; gap: 8px; }
.field label {
    color: #d9e4ff;
    font-size: 14px;
    font-weight: 700;
}
input, select, textarea {
    width: 100%;
    border-radius: 16px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    color: var(--text);
    padding: 14px 15px;
    outline: none;
}
input:focus, select:focus, textarea:focus {
    border-color: rgba(95,128,255,0.6);
    box-shadow: 0 0 0 3px rgba(95,128,255,0.14);
}
textarea { resize: vertical; min-height: 120px; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 16px;
    border-radius: 15px;
    border: 0;
    cursor: pointer;
    font-weight: 700;
    transition: .18s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--primary); color: white; }
.btn-secondary { background: rgba(95,128,255,0.12); color: #dbe5ff; border: 1px solid rgba(95,128,255,0.22); }
.btn-dark { background: rgba(255,255,255,0.06); color: white; border: 1px solid var(--border); }
.btn-danger { background: rgba(255,95,131,0.12); color: #ffd6df; border: 1px solid rgba(255,95,131,0.22); }
.btn-sm { padding: 9px 11px; border-radius: 12px; font-size: 13px; }
.btn-block { width: 100%; }

.stack { display: grid; gap: 18px; }
.form-actions, .row-actions, .header-actions {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}
.row-actions form { margin: 0; }

.alert {
    margin-bottom: 18px;
    padding: 14px 16px;
    border-radius: 16px;
    border: 1px solid var(--border);
}
.alert-success {
    background: rgba(36, 211, 157, 0.1);
    border-color: rgba(36, 211, 157, 0.22);
    color: #d8fff0;
}
.alert-danger {
    background: rgba(255, 95, 131, 0.1);
    border-color: rgba(255, 95, 131, 0.22);
    color: #ffe1e8;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 8px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 800;
}
.badge-success { background: rgba(36, 211, 157, 0.12); color: #caffea; }
.badge-danger { background: rgba(255,95,131,0.12); color: #ffd4de; }
.badge-warning { background: rgba(255,184,79,0.12); color: #ffe6bf; }
.badge-muted { background: rgba(255,255,255,0.08); color: #d6def5; }

.auth-wrap {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 30px;
}
.auth-card {
    width: min(100%, 560px);
    padding: 28px;
}
.install-card { width: min(100%, 940px); }
.auth-brand h1 { font-size: 38px; margin: 14px 0 10px; }
.auth-brand p { color: var(--muted); margin-bottom: 24px; }
.auth-footer { color: var(--muted); text-align: center; margin-top: 18px; }

.wizard-steps {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}
.wizard-steps span {
    padding: 10px 12px;
    border-radius: 999px;
    background: rgba(255,255,255,0.05);
    color: var(--muted);
}
.wizard-steps span.active {
    background: rgba(95,128,255,0.12);
    color: #dbe5ff;
}
.check-row {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 14px;
}
.divider {
    height: 1px;
    background: var(--border);
    margin: 6px 0;
}

.invoice-lines { display: grid; gap: 14px; }
.invoice-line-head {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
}
.invoice-line-row {
    display: grid;
    grid-template-columns: minmax(0, 1.8fr) 0.7fr 0.8fr 0.8fr auto;
    gap: 10px;
    align-items: center;
    margin-bottom: 10px;
}
.invoice-meta-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}
.meta-card {
    background: var(--panel-soft);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 18px;
}
.meta-card span {
    color: var(--muted);
    display: block;
    margin-bottom: 8px;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
.totals-card {
    margin-left: auto;
    width: min(100%, 380px);
    display: grid;
    gap: 12px;
    padding: 18px;
    border-radius: 18px;
    border: 1px solid var(--border);
    background: var(--panel-soft);
}
.totals-card div { display: flex; justify-content: space-between; align-items: center; }
.totals-card .grand-total {
    font-size: 22px;
    border-top: 1px solid var(--border);
    padding-top: 14px;
}

@media (max-width: 1080px) {
    .stats-grid, .quick-grid, .grid-3, .invoice-meta-grid { grid-template-columns: 1fr 1fr; }
    .app-shell { grid-template-columns: 1fr; }
    .sidebar { border-right: 0; border-bottom: 1px solid var(--border); }
}

@media (max-width: 760px) {
    .main-content { padding: 18px; }
    .page-header { flex-direction: column; align-items: flex-start; }
    .stats-grid, .quick-grid, .grid-2, .grid-3, .invoice-meta-grid { grid-template-columns: 1fr; }
    .invoice-line-row { grid-template-columns: 1fr; }
    .auth-card { padding: 20px; }
    .auth-brand h1 { font-size: 31px; }
}

.cards-gap { margin-top: 22px; }
.section-kicker {
    color: #cdd8f5;
    text-transform: uppercase;
    letter-spacing: .12em;
    font-size: 12px;
    font-weight: 800;
}
.check-tile {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: 18px;
    background: rgba(255,255,255,0.03);
    cursor: pointer;
}
.check-tile input {
    width: 18px;
    height: 18px;
    margin-top: 2px;
}
.check-tile small {
    display: block;
    margin-top: 6px;
}
.filter-bar {
    display: flex;
    gap: 16px;
    align-items: end;
    margin-bottom: 18px;
    flex-wrap: wrap;
}
.field-grow { flex: 1 1 260px; }
.filter-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}
.info-list {
    display: grid;
    gap: 10px;
}
.info-list div {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}
.info-list div:last-child { border-bottom: 0; }
.info-list span { color: var(--muted); }
.wrap { flex-wrap: wrap; }

@media (max-width: 1080px) {
    .filter-bar { display: grid; }
}
@media (max-width: 780px) {
    .grid-2,
    .grid-3,
    .stats-grid,
    .quick-grid,
    .invoice-meta-grid,
    .invoice-line-row,
    .app-shell { grid-template-columns: 1fr !important; }
    .app-shell { display: block; }
    .sidebar { border-right: 0; border-bottom: 1px solid var(--border); }
    .main-content { padding: 18px; }
    .page-header { flex-direction: column; align-items: flex-start; }
}


.alert-info {
    background: rgba(95, 128, 255, 0.12);
    border-color: rgba(95, 128, 255, 0.24);
    color: #dfe8ff;
}

.update-alert {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.app-logo,
.auth-logo,
.logo-preview {
    display: block;
    object-fit: contain;
    background: rgba(255,255,255,0.03);
}

.app-logo {
    width: 100%;
    max-width: 180px;
    max-height: 72px;
    border-radius: 16px;
    margin-bottom: 16px;
    padding: 10px;
    border: 1px solid var(--border);
}

.auth-logo {
    width: 100%;
    max-width: 210px;
    max-height: 90px;
    margin-bottom: 18px;
    border-radius: 18px;
    padding: 10px 12px;
    border: 1px solid rgba(255,255,255,0.08);
}

.version-chip {
    display: inline-flex;
    width: fit-content;
    margin-top: 14px;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border);
    color: #dbe5ff;
    font-size: 12px;
    font-weight: 700;
}

.logo-preview-card {
    margin-top: 12px;
    padding: 14px;
    border-radius: 16px;
    border: 1px solid var(--border);
    background: rgba(255,255,255,0.03);
}

.logo-preview {
    width: 100%;
    max-width: 260px;
    max-height: 110px;
    border-radius: 14px;
    margin-bottom: 12px;
    padding: 10px;
    border: 1px solid var(--border);
}

.check-toggle {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
}

.check-toggle input {
    width: auto;
}


@media (max-width: 1100px) {
    .app-shell { grid-template-columns: 1fr; }
    .sidebar { gap: 22px; }
    .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .quick-grid,
    .grid-2,
    .grid-3 { grid-template-columns: 1fr; }
    .page-header,
    .update-alert { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 680px) {
    .stats-grid { grid-template-columns: 1fr; }
}


html { color-scheme: dark; }
body, input, select, textarea, button { font-family: Inter, Arial, sans-serif; }
.grid-2, .grid-3, .stats-grid, .quick-grid, .invoice-meta-grid { align-items: start; }

input, select, textarea {
    background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.035));
    min-height: 54px;
}
textarea { min-height: 132px; }
select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    padding-right: 44px;
    background-image:
        linear-gradient(45deg, transparent 50%, #dbe5ff 50%),
        linear-gradient(135deg, #dbe5ff 50%, transparent 50%),
        linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.03));
    background-position:
        calc(100% - 20px) calc(50% - 3px),
        calc(100% - 14px) calc(50% - 3px),
        calc(100% - 44px) 50%;
    background-size: 6px 6px, 6px 6px, 1px 24px;
    background-repeat: no-repeat;
}
option, optgroup {
    background: #111827;
    color: #eef3ff;
}
input[type="file"] {
    padding: 12px 14px;
    background: rgba(255,255,255,0.03);
}
input[type="file"]::file-selector-button {
    border: 0;
    border-radius: 12px;
    padding: 10px 14px;
    margin-right: 12px;
    color: #eef3ff;
    background: rgba(95,128,255,0.18);
    cursor: pointer;
}
.field small,
.input-help {
    color: var(--muted);
    display: block;
    line-height: 1.5;
}
.panel-hero {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    align-items: flex-start;
    padding: 24px;
    border-radius: 24px;
    background: linear-gradient(135deg, rgba(79,124,255,0.14), rgba(123,77,255,0.1));
    border: 1px solid rgba(123, 154, 255, 0.14);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.06);
}
.panel-hero h3 { font-size: 28px; margin-bottom: 10px; }
.panel-hero p { color: #d6def4; max-width: 720px; margin-bottom: 0; }
.hero-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.hero-chip {
    padding: 10px 14px;
    border-radius: 999px;
    background: rgba(10,14,24,0.45);
    border: 1px solid rgba(255,255,255,0.08);
    color: #eef3ff;
    font-size: 13px;
    font-weight: 700;
}
.settings-sections,
.invoice-editor-layout {
    display: grid;
    gap: 20px;
}
.settings-section,
.invoice-editor-card {
    background: var(--panel-soft);
    border: 1px solid var(--border);
    border-radius: 22px;
    padding: 22px;
}
.settings-section-head,
.invoice-editor-head {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    align-items: flex-start;
    margin-bottom: 18px;
}
.settings-section-head h4,
.invoice-editor-head h4 { margin: 0 0 8px; font-size: 20px; }
.settings-section-head p,
.invoice-editor-head p { margin: 0; color: var(--muted); }
.settings-logo-card {
    display: grid;
    gap: 16px;
    grid-template-columns: minmax(0, 1.3fr) minmax(260px, 0.7fr);
    align-items: start;
}
.logo-preview-card {
    margin-top: 0;
    min-height: 100%;
    display: grid;
    align-content: start;
    gap: 12px;
}
.logo-preview-card .muted { margin: 0; }
.form-note {
    padding: 14px 16px;
    border-radius: 16px;
    background: rgba(95,128,255,0.08);
    border: 1px solid rgba(95,128,255,0.18);
    color: #dfe8ff;
}
.invoice-editor-layout { gap: 22px; }
.invoice-form-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(320px, 0.8fr);
    gap: 22px;
    align-items: start;
}
.invoice-side-summary {
    position: sticky;
    top: 22px;
    display: grid;
    gap: 14px;
}
.summary-card {
    padding: 20px;
    border-radius: 20px;
    background: linear-gradient(180deg, rgba(255,255,255,0.045), rgba(255,255,255,0.03));
    border: 1px solid var(--border);
}
.summary-card h5 { margin: 0 0 12px; font-size: 16px; }
.summary-list {
    display: grid;
    gap: 12px;
}
.summary-list div {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: center;
}
.summary-list span { color: var(--muted); }
.invoice-lines {
    background: rgba(255,255,255,0.025);
    border-radius: 22px;
    border: 1px solid var(--border);
    padding: 20px;
}
.invoice-line-head strong { font-size: 18px; }
.invoice-line-row {
    padding: 12px;
    border-radius: 18px;
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.05);
}
.invoice-preview .meta-card,
.invoice-preview .panel-soft,
.totals-card {
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
}
.table tbody tr:hover td { background: rgba(95,128,255,0.05); }
.table td strong { font-size: 16px; }
.table-actions {
    display: inline-flex;
    gap: 8px;
    flex-wrap: wrap;
}
.settings-logo-preview {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 172px;
    border-radius: 18px;
    border: 1px dashed rgba(255,255,255,0.12);
    background: rgba(5,10,18,0.4);
    padding: 18px;
}
.settings-logo-preview img {
    max-width: 100%;
    max-height: 118px;
    object-fit: contain;
}
.pdf-note {
    color: var(--muted);
    font-size: 13px;
}
.invoice-kpi-grid {
    display: grid;
    gap: 12px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}
.invoice-kpi {
    padding: 16px;
    border-radius: 18px;
    border: 1px solid var(--border);
    background: rgba(255,255,255,0.03);
}
.invoice-kpi span { color: var(--muted); display: block; margin-bottom: 8px; }
.invoice-kpi strong { font-size: 20px; }
@media (max-width: 1100px) {
    .panel-hero,
    .settings-logo-card,
    .invoice-form-grid {
        grid-template-columns: 1fr;
        display: grid;
    }
    .invoice-side-summary { position: static; }
}
@media (max-width: 760px) {
    .panel-hero { padding: 20px; }
    .hero-chips { gap: 8px; }
    .settings-section,
    .invoice-editor-card,
    .summary-card { padding: 18px; }
    .invoice-kpi-grid { grid-template-columns: 1fr; }
}


.product-picker-inline {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.product-library-select {
    min-width: 260px;
}

.table-actions form {
    margin: 0;
}