:root {
    --color-primary: #2563eb;
    --color-accent: #14b8a6;
    --color-text: #111827;
    --color-bg: #f6f8fb;
    --font-family: Inter, "Segoe UI", Arial, sans-serif;
    --base-font-size: 15px;
    --surface: #ffffff;
    --muted: #667085;
    --line: #e4e7ec;
    --line-strong: #d0d5dd;
    --danger: #dc2626;
    --success: #059669;
    --warning: #d97706;
    --shadow: 0 16px 40px rgba(15, 23, 42, .08);
}

* {
    box-sizing: border-box;
}

html {
    min-height: 100%;
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--color-text);
    background: var(--color-bg);
    font-family: var(--font-family);
    font-size: var(--base-font-size);
    line-height: 1.45;
    letter-spacing: 0;
}

a {
    color: var(--color-primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

img {
    max-width: 100%;
}

hr {
    width: 100%;
    border: 0;
    border-top: 1px solid var(--line);
}

.app-shell {
    display: grid;
    grid-template-columns: 264px minmax(0, 1fr);
    min-height: 100vh;
}

.sidebar {
    position: sticky;
    top: 0;
    height: 100vh;
    padding: 22px 16px;
    background: #ffffff;
    border-right: 1px solid var(--line);
    overflow-y: auto;
    z-index: 20;
}

.brand,
.login-brand,
.install-heading {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand {
    min-height: 48px;
    color: var(--color-text);
    font-weight: 800;
}

.brand:hover {
    text-decoration: none;
}

.brand img,
.login-brand img,
.receipt-brand img {
    width: 44px;
    height: 44px;
    object-fit: contain;
}

.brand-mark {
    display: inline-grid;
    place-items: center;
    width: 42px;
    height: 42px;
    flex: 0 0 42px;
    color: #ffffff;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    border-radius: 8px;
    font-weight: 800;
}

.nav {
    display: grid;
    gap: 6px;
    margin-top: 28px;
}

.nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 42px;
    padding: 10px 12px;
    color: #344054;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 650;
}

.nav a:hover,
.nav a.active {
    background: color-mix(in srgb, var(--color-primary) 10%, white);
    color: var(--color-primary);
    text-decoration: none;
}

svg {
    width: 18px;
    height: 18px;
    flex: 0 0 18px;
}

svg path {
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.main {
    min-width: 0;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 22px 30px;
    background: rgba(255, 255, 255, .82);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(10px);
}

.topbar h1,
.panel h2,
.form-section h3,
.install-heading h1,
.login-brand h1,
.verify-card h1 {
    margin: 0;
    line-height: 1.15;
}

.topbar h1 {
    font-size: 24px;
}

.eyebrow {
    margin: 0 0 4px;
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 12px;
    text-align: right;
}

.user-menu strong,
.user-menu span {
    display: block;
}

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

.content {
    display: grid;
    gap: 18px;
    width: min(1280px, 100%);
    padding: 24px 30px 44px;
}

.panel,
.stat-card,
.login-card,
.install-card,
.verify-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.panel {
    padding: 20px;
}

.panel-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 18px;
}

.panel-header h2 {
    font-size: 18px;
}

.panel-header p,
.login-brand p,
.install-heading p {
    margin: 6px 0 0;
    color: var(--muted);
}

.quick-actions,
.form-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.button,
button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 40px;
    padding: 9px 14px;
    color: #1f2937;
    background: #ffffff;
    border: 1px solid var(--line-strong);
    border-radius: 8px;
    font: 700 14px/1 var(--font-family);
    cursor: pointer;
    text-decoration: none;
}

.button:hover,
button:hover {
    border-color: var(--color-primary);
    text-decoration: none;
}

.button.primary {
    color: #ffffff;
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.button.ghost {
    background: transparent;
}

.button.full {
    width: 100%;
}

.icon-button {
    width: 40px;
    padding: 0;
}

.sidebar-toggle {
    display: none;
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
}

.stat-card {
    padding: 18px;
}

.stat-card span,
.receipt-grid span,
.receipt-subject span,
.receipt-footer span {
    color: var(--muted);
    font-size: 12px;
    font-weight: 750;
}

.stat-card strong {
    display: block;
    margin-top: 8px;
    font-size: 30px;
}

.stat-card small,
td small,
dd small {
    color: var(--muted);
}

.table-wrap {
    width: 100%;
    overflow-x: auto;
}

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

th,
td {
    padding: 13px 12px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: middle;
}

th {
    color: var(--muted);
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
}

tr:last-child td {
    border-bottom: 0;
}

.actions {
    white-space: nowrap;
    text-align: right;
}

.actions a,
.actions button {
    margin-left: 10px;
    padding: 0;
    min-height: auto;
    color: var(--color-primary);
    background: none;
    border: 0;
    font-weight: 750;
}

.badge {
    display: inline-flex;
    align-items: center;
    min-height: 26px;
    padding: 4px 9px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 800;
}

.badge.active,
.badge.concluido {
    color: #047857;
    background: #d1fae5;
}

.badge.inactive,
.badge.cancelado {
    color: #b91c1c;
    background: #fee2e2;
}

.badge.emitido {
    color: #1d4ed8;
    background: #dbeafe;
}

.badge.em_andamento {
    color: #a16207;
    background: #fef3c7;
}

.alert {
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-radius: 8px;
    font-weight: 650;
}

.alert.success,
.alert.info {
    color: #065f46;
    background: #ecfdf5;
    border-color: #a7f3d0;
}

.alert.danger {
    color: #991b1b;
    background: #fef2f2;
    border-color: #fecaca;
}

.stack {
    display: grid;
    gap: 14px;
}

label {
    display: grid;
    gap: 7px;
    color: #344054;
    font-size: 13px;
    font-weight: 750;
}

input,
select,
textarea {
    width: 100%;
    min-height: 40px;
    padding: 9px 11px;
    color: var(--color-text);
    background: #ffffff;
    border: 1px solid var(--line-strong);
    border-radius: 8px;
    font: 500 14px/1.35 var(--font-family);
}

textarea {
    resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--color-primary);
    outline: 3px solid color-mix(in srgb, var(--color-primary) 18%, transparent);
}

input[type="color"] {
    padding: 4px;
}

.form-panel {
    display: grid;
    gap: 18px;
}

.form-section {
    display: grid;
    gap: 14px;
    padding-top: 18px;
    border-top: 1px solid var(--line);
}

.form-section h3 {
    font-size: 15px;
}

.form-grid {
    display: grid;
    gap: 14px;
}

.form-grid.two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.form-grid.three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.form-grid.four {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.form-grid.five {
    grid-template-columns: 1.4fr repeat(4, minmax(140px, 1fr));
}

.span-2 {
    grid-column: span 2;
}

.check-row {
    display: flex;
    align-items: center;
    gap: 9px;
    min-height: 40px;
}

.check-row input,
.segmented input,
.permission-card input {
    width: auto;
    min-height: auto;
}

.segmented {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    width: fit-content;
    padding: 4px;
    background: #f2f4f7;
    border: 1px solid var(--line);
    border-radius: 8px;
}

.segmented label {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
}

.permission-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.permission-card {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 13px;
    border: 1px solid var(--line);
    border-radius: 8px;
}

.permission-card small {
    display: block;
    margin-top: 3px;
    color: var(--muted);
    font-weight: 500;
}

.split-layout,
.protocol-detail,
.report-grid {
    display: grid;
    grid-template-columns: minmax(320px, .75fr) minmax(0, 1.25fr);
    gap: 18px;
    align-items: start;
}

.protocol-detail {
    grid-template-columns: minmax(0, 1fr) 320px;
}

.report-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin: 0;
}

.detail-grid div {
    padding: 12px;
    background: #f9fafb;
    border: 1px solid var(--line);
    border-radius: 8px;
}

.detail-grid dt {
    margin-bottom: 5px;
    color: var(--muted);
    font-size: 12px;
    font-weight: 800;
}

.detail-grid dd {
    margin: 0;
    font-weight: 650;
}

.qr-preview {
    display: grid;
    gap: 12px;
    justify-items: center;
    text-align: center;
}

.qr-code {
    max-width: 180px;
    height: auto;
    border: 1px solid var(--line);
}

.preview-box {
    display: grid;
    place-items: center;
    min-height: 110px;
    padding: 12px;
    color: var(--muted);
    background: #f9fafb;
    border: 1px dashed var(--line-strong);
    border-radius: 8px;
}

.preview-box img {
    max-height: 78px;
    object-fit: contain;
}

.range-value {
    color: var(--muted);
    font-weight: 700;
}

.mini-bars {
    display: grid;
    gap: 12px;
}

.mini-bar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px;
    position: relative;
    padding-bottom: 10px;
}

.mini-bar span,
.mini-bar strong {
    position: relative;
    z-index: 1;
}

.mini-bar i {
    position: absolute;
    left: 0;
    right: auto;
    bottom: 0;
    height: 6px;
    background: var(--color-primary);
    border-radius: 999px;
}

.mini-bar.accent i {
    background: var(--color-accent);
}

.inline-form {
    display: inline;
}

.muted {
    color: var(--muted);
}

.center {
    text-align: center;
}

.empty-state {
    display: grid;
    place-items: center;
    min-height: 360px;
    text-align: center;
}

.login-page,
.install-page,
.verify-page {
    display: grid;
    place-items: center;
    min-height: 100vh;
    padding: 24px;
    background:
        linear-gradient(135deg, color-mix(in srgb, var(--color-primary) 8%, transparent), transparent 45%),
        var(--color-bg);
}

.login-card,
.install-card,
.verify-card {
    display: grid;
    gap: 20px;
    width: min(560px, 100%);
    padding: 28px;
}

.install-card {
    width: min(860px, 100%);
}

.verify-card {
    width: min(760px, 100%);
}

.verify-form {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
}

.verification-result {
    display: grid;
    gap: 14px;
    padding-top: 18px;
    border-top: 1px solid var(--line);
}

.success-seal {
    width: fit-content;
    padding: 6px 10px;
    color: #047857;
    background: #d1fae5;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 800;
}

.print-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
    padding: 16px;
}

.print-page {
    background: #d9dee7;
}

.receipt-sheet {
    width: 210mm;
    min-height: 297mm;
    margin: 0 auto 24px;
    padding: 10mm;
    background: #ffffff;
    box-shadow: 0 20px 60px rgba(15, 23, 42, .18);
}

.receipt-copy {
    position: relative;
    display: grid;
    grid-template-rows: auto auto 1fr auto;
    min-height: 133mm;
    padding: 8mm;
    overflow: hidden;
    border: 1px solid #111827;
    font-size: var(--receipt-font-size, 12px);
}

.receipt-copy + .receipt-copy {
    margin-top: 8mm;
}

.receipt-watermark {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 58%;
    max-height: 70%;
    object-fit: contain;
    transform: translate(-50%, -50%);
    z-index: 0;
}

.receipt-copy > *:not(.receipt-watermark) {
    position: relative;
    z-index: 1;
}

.receipt-header,
.receipt-footer {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
}

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

.receipt-brand h1 {
    margin: 0;
    font-size: 18px;
}

.receipt-brand p {
    margin: 3px 0 0;
    color: #475467;
}

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

.receipt-number span,
.receipt-number strong,
.receipt-footer span,
.receipt-footer strong,
.receipt-footer small {
    display: block;
}

.receipt-number strong {
    font-size: 20px;
}

.receipt-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    margin: 8mm 0 5mm;
}

.receipt-grid div,
.receipt-subject {
    padding: 8px;
    background: rgba(255, 255, 255, .86);
    border: 1px solid #d0d5dd;
}

.receipt-grid strong,
.receipt-subject strong {
    display: block;
    margin-top: 3px;
}

.receipt-subject p {
    margin: 6px 0 0;
}

.receipt-footer {
    align-items: end;
    margin-top: 6mm;
    padding-top: 5mm;
    border-top: 1px solid #111827;
}

.receipt-qr .qr-code {
    width: 88px;
    border: 0;
}

.qr-fallback {
    width: 92px;
    min-height: 92px;
    display: grid;
    place-items: center;
    border: 1px solid #111827;
    text-align: center;
    overflow-wrap: anywhere;
}

@media (max-width: 980px) {
    .app-shell {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: fixed;
        inset: 0 auto 0 0;
        width: min(82vw, 300px);
        transform: translateX(-102%);
        transition: transform .2s ease;
        box-shadow: var(--shadow);
    }

    body.sidebar-open .sidebar {
        transform: translateX(0);
    }

    .sidebar-toggle {
        display: inline-flex;
    }

    .topbar,
    .content {
        padding-left: 18px;
        padding-right: 18px;
    }

    .stat-grid,
    .report-grid,
    .split-layout,
    .protocol-detail {
        grid-template-columns: 1fr;
    }

    .form-grid.three,
    .form-grid.four,
    .form-grid.five {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .permission-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .topbar {
        align-items: flex-start;
    }

    .user-menu {
        align-items: flex-end;
        flex-direction: column;
    }

    .panel-header,
    .receipt-header,
    .receipt-footer {
        flex-direction: column;
    }

    .stat-grid,
    .form-grid.two,
    .form-grid.three,
    .form-grid.four,
    .form-grid.five,
    .permission-grid,
    .detail-grid,
    .receipt-grid,
    .verify-form {
        grid-template-columns: 1fr;
    }

    .span-2 {
        grid-column: span 1;
    }

    .login-card,
    .install-card,
    .verify-card {
        padding: 20px;
    }

    .receipt-sheet {
        width: 100%;
        min-height: auto;
        padding: 10px;
    }
}

@media print {
    body {
        background: #ffffff !important;
    }

    .sidebar,
    .topbar,
    .quick-actions,
    .print-actions,
    .filter-panel,
    .form-actions {
        display: none !important;
    }

    .app-shell {
        display: block;
    }

    .content {
        width: 100%;
        padding: 0;
    }

    .panel,
    .stat-card {
        box-shadow: none;
    }

    .receipt-sheet {
        width: 210mm;
        height: 297mm;
        margin: 0;
        padding: 9mm;
        box-shadow: none;
    }

    .receipt-copy {
        page-break-inside: avoid;
    }
}