:root {
    --bg-top: #d8e4ef;
    --bg-bottom: #f4f0e7;
    --surface: rgba(255, 255, 255, 0.88);
    --surface-strong: #ffffff;
    --surface-muted: #eef3f7;
    --surface-soft: #f7f9fc;
    --border: #d7e0e8;
    --border-strong: #bbc8d6;
    --text: #172638;
    --text-soft: #5f6f82;
    --text-faint: #8392a2;
    --brand: #163250;
    --brand-strong: #0d2238;
    --brand-soft: #dde8f2;
    --accent: #c5853f;
    --accent-soft: #f4e4ce;
    --success: #216b48;
    --danger: #b93e3e;
    --shadow-xl: 0 28px 80px rgba(16, 36, 58, 0.16);
    --shadow-lg: 0 18px 46px rgba(20, 43, 69, 0.11);
    --shadow-sm: 0 10px 24px rgba(20, 43, 69, 0.08);
    --radius-xl: 30px;
    --radius-lg: 22px;
    --radius-md: 16px;
    --radius-sm: 12px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Aptos", "Bahnschrift", "Segoe UI", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(255, 255, 255, 0.9), transparent 34%),
        linear-gradient(180deg, var(--bg-top) 0%, var(--bg-bottom) 100%);
    min-height: 100vh;
}

body::before,
body::after {
    content: "";
    position: fixed;
    inset: auto;
    pointer-events: none;
    z-index: 0;
}

body::before {
    top: -120px;
    right: -80px;
    width: 360px;
    height: 360px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(22, 50, 80, 0.18), rgba(22, 50, 80, 0) 70%);
}

body::after {
    bottom: -100px;
    left: -60px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(197, 133, 63, 0.18), rgba(197, 133, 63, 0) 72%);
}

.page-shell {
    position: relative;
    z-index: 1;
    width: 100%;
    padding: 28px;
}

.container {
    max-width: 1220px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.64);
    border: 1px solid rgba(255, 255, 255, 0.68);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    backdrop-filter: blur(16px);
}

.header {
    padding: 34px 38px 30px;
    color: white;
    background:
        linear-gradient(135deg, rgba(13, 34, 56, 0.97), rgba(28, 66, 107, 0.92)),
        linear-gradient(90deg, rgba(255, 255, 255, 0.05), transparent);
}

.header-top {
    display: flex;
    align-items: center;
    gap: 18px;
}

.logo {
    width: 76px;
    height: 76px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.96);
    border-radius: 20px;
    padding: 10px;
    box-shadow: inset 0 0 0 1px rgba(13, 34, 56, 0.08);
}

.logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.header-text {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.header h1 {
    font-size: clamp(1.9rem, 3vw, 2.6rem);
    line-height: 1.05;
    letter-spacing: -0.04em;
    font-weight: 800;
}

.surface-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.form-container {
    padding: 34px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 22px;
    margin-bottom: 18px;
}

.section-header h2 {
    font-size: clamp(1.35rem, 2vw, 1.9rem);
    line-height: 1.1;
    letter-spacing: -0.03em;
}

.page-switcher {
    display: inline-flex;
    gap: 8px;
    padding: 6px;
    margin-bottom: 18px;
    border-radius: 999px;
    background: rgba(22, 50, 80, 0.06);
    border: 1px solid rgba(22, 50, 80, 0.08);
}

.page-switcher a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 0 16px;
    border-radius: 999px;
    color: var(--text-soft);
    text-decoration: none;
    font-weight: 700;
    transition: background 0.18s ease, color 0.18s ease, box-shadow 0.18s ease;
}

.page-switcher a.active {
    background: white;
    color: var(--brand);
    box-shadow: 0 8px 18px rgba(22, 50, 80, 0.1);
}

.page-switcher a:hover {
    color: var(--brand);
}

.calculator-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.18fr) minmax(330px, 0.82fr);
    gap: 22px;
    align-items: start;
}

body[data-page="single"] .calculator-grid {
    grid-template-columns: 1fr;
}

.batch-page-stack {
    display: grid;
    gap: 22px;
}

.tariff-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin-bottom: 18px;
}

.single-input-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1.1fr)) repeat(2, minmax(0, 0.9fr));
    gap: 14px;
    margin-bottom: 18px;
}

.single-tariff-grid {
    margin-bottom: 22px;
}

.single-detention-card .tariff-card-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
}

.single-detention-config {
    margin-top: 0;
    margin-bottom: 0;
}

.single-detention-card .tariff-card-head-inline {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
        "kicker action"
        "title action";
    align-items: center;
    column-gap: 14px;
    row-gap: 4px;
}

.single-detention-top {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    align-items: end;
    margin-bottom: 10px;
}

.single-actions {
    margin-top: 0;
}

.batch-tariff-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    align-items: start;
}

.tariff-card {
    padding: 22px;
    border-radius: 20px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(241, 246, 251, 0.95));
    border: 1px solid var(--border);
}

.batch-config-card {
    display: flex;
    flex-direction: column;
}

.tariff-card-head {
    margin-bottom: 14px;
}

.tariff-card-head-inline {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
        "kicker action"
        "title action";
    align-items: center;
    column-gap: 14px;
    row-gap: 4px;
}

.tariff-card-head-inline .surface-kicker {
    grid-area: kicker;
    margin-bottom: 0;
}

.tariff-card-head-inline h4 {
    grid-area: title;
    margin: 0;
}

.add-period-btn-inline {
    grid-area: action;
    margin: 0;
    align-self: center;
}

.tariff-card-detention .tariff-card-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
}

.batch-config-card.tariff-card-detention .tariff-card-head-inline {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
        "kicker action"
        "title action";
    align-items: center;
    column-gap: 14px;
    row-gap: 4px;
}

.tariff-card-head h4 {
    font-size: 1.06rem;
    margin: 6px 0 0;
    color: var(--brand);
    letter-spacing: -0.02em;
}

.tariff-card .add-period-btn {
    margin-bottom: 14px;
}

.batch-detention-config {
    padding: 0;
    margin-top: 0;
    margin-bottom: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
}

.batch-config-panel {
    padding: 18px;
    border-radius: 20px;
    background: linear-gradient(180deg, #f1f6fb, #e8f0f7);
    border: 1px solid #d9e4ee;
}

.batch-card-top {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    align-items: end;
    margin-bottom: 10px;
}

.batch-card-top-single {
    grid-template-columns: minmax(0, 220px);
}

.surface {
    border-radius: var(--radius-lg);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(245, 248, 251, 0.98));
    border: 1px solid rgba(215, 224, 232, 0.95);
    box-shadow: var(--shadow-sm);
}

.surface-form,
.surface-result,
.surface-batch-page {
    padding: 24px;
}

.mode-link-card {
    margin-top: 24px;
    padding: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.mode-link-card h3 {
    font-size: 1.2rem;
    margin: 8px 0 6px;
}

.mode-link-card p {
    color: var(--text-soft);
    line-height: 1.5;
    max-width: 52ch;
}

.mode-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0 18px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--brand), #21486f);
    color: white;
    text-decoration: none;
    font-weight: 700;
    white-space: nowrap;
}

.surface-head {
    margin-bottom: 18px;
}

.surface-kicker {
    color: var(--brand);
    margin-bottom: 10px;
}

.surface-head h3 {
    font-size: 1.22rem;
    letter-spacing: -0.03em;
    margin-bottom: 0;
}

.surface-head p {
    color: var(--text-soft);
    line-height: 1.5;
    font-size: 0.95rem;
}

form {
    display: block;
}

.form-group {
    margin-bottom: 16px;
}

label {
    display: block;
    color: var(--text);
    font-weight: 700;
    margin-bottom: 8px;
    font-size: 0.95rem;
}

label span {
    display: block;
    margin-top: 4px;
    color: var(--text-faint);
    font-size: 0.81rem;
    font-weight: 500;
    line-height: 1.45;
}

input {
    width: 100%;
    border: 1px solid var(--border);
    background: var(--surface-strong);
    color: var(--text);
    border-radius: 14px;
    padding: 13px 14px;
    font-size: 16px;
    transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
    -webkit-appearance: none;
    appearance: none;
}

input:hover {
    border-color: var(--border-strong);
}

input:focus,
input:focus-visible {
    outline: none;
    border-color: rgba(22, 50, 80, 0.64);
    box-shadow: 0 0 0 4px rgba(22, 50, 80, 0.1);
}

input[readonly] {
    background: var(--surface-muted);
    color: var(--text-soft);
}

button {
    flex: 1;
    border: 0;
    border-radius: 14px;
    padding: 14px 18px;
    font-size: 0.98rem;
    font-weight: 700;
    cursor: pointer;
    min-height: 50px;
    color: white;
    background: linear-gradient(135deg, var(--brand), #21486f);
    box-shadow: 0 12px 20px rgba(22, 50, 80, 0.18);
    transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
    touch-action: manipulation;
}

button:hover {
    transform: translateY(-1px);
    filter: brightness(1.03);
    box-shadow: 0 16px 24px rgba(22, 50, 80, 0.22);
}

button:active {
    transform: translateY(0);
}

button.secondary {
    color: var(--brand);
    background: linear-gradient(135deg, #edf3f8, #ffffff);
    border: 1px solid var(--border);
    box-shadow: none;
}

.button-group {
    display: flex;
    gap: 12px;
    margin-top: 28px;
}

.add-period-btn,
.add-row-btn {
    min-height: 0;
    width: auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.82);
    color: var(--brand);
    border: 1.5px dashed rgba(22, 50, 80, 0.42);
    box-shadow: none;
}

.add-period-btn:hover,
.add-row-btn:hover {
    background: var(--brand-soft);
    border-style: solid;
}

.periods-container {
    margin-top: 8px;
    margin-bottom: 0;
}

.period-item {
    position: relative;
    margin-bottom: 14px;
    padding: 18px;
    border-radius: 18px;
    background: linear-gradient(180deg, #f9fbfd, #f0f5fa);
    border: 1px solid var(--border);
}

.period-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}

.period-title {
    font-weight: 800;
    color: var(--brand);
    font-size: 0.96rem;
}

.remove-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(185, 62, 62, 0.08);
    color: var(--danger);
    border: 0;
    box-shadow: none;
    font-size: 1rem;
    min-height: 0;
    padding: 0;
}

.remove-btn:hover {
    background: rgba(185, 62, 62, 0.14);
    transform: none;
}

.period-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.period-inputs .form-group {
    margin-bottom: 0;
}

.period-inputs label {
    font-size: 0.84rem;
}

.detention-section {
    display: none;
    margin-bottom: 18px;
    padding: 18px;
    border-radius: 20px;
    background: linear-gradient(180deg, #f1f6fb, #e8f0f7);
    border: 1px solid #d9e4ee;
}

.detention-section.show {
    display: block;
}

.batch-config-panel.detention-section {
    margin-bottom: 0;
    padding: 18px;
}

.detention-start-group,
.batch-start-group {
    margin-bottom: 16px;
}

.detention-start-opts {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.detention-start-opts label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 0;
    padding: 10px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid var(--border);
    color: var(--text-soft);
    font-size: 0.84rem;
    font-weight: 700;
    cursor: pointer;
}

.detention-start-opts input[type="radio"] {
    display: none;
}

.detention-start-opts label:has(input:checked) {
    color: var(--brand);
    background: white;
    border-color: rgba(22, 50, 80, 0.34);
    box-shadow: 0 8px 14px rgba(22, 50, 80, 0.08);
}

.surface-result {
    position: sticky;
    top: 24px;
}

body[data-page="single"] .surface-result {
    position: static;
}

#result {
    min-height: 320px;
}

#result:not(.show) {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 28px;
    border-radius: 20px;
    border: 1.5px dashed rgba(22, 50, 80, 0.24);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(240, 245, 250, 0.92)),
        radial-gradient(circle at top right, rgba(197, 133, 63, 0.08), transparent 34%);
}

#result:not(.show) > * {
    display: none !important;
}

#result:not(.show)::before {
    content: "Sem resultado";
    max-width: 18ch;
    color: var(--text-soft);
    line-height: 1.6;
    font-size: 0.95rem;
}

#result.show {
    display: block;
    animation: slideIn 0.28s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.result-header {
    padding: 24px 24px 22px;
    border-radius: 22px 22px 0 0;
    text-align: center;
    background: linear-gradient(135deg, #16324d, #1d4467);
}

.result-label {
    color: rgba(255, 255, 255, 0.68);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    margin-bottom: 6px;
}

.result-total {
    color: white;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.05em;
}

.result-body {
    border: 1px solid var(--border);
    border-top: 0;
    border-radius: 0 0 22px 22px;
    overflow: hidden;
    background: white;
}

.result-free-days,
.result-section-divider {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 13px 16px;
}

.result-free-days {
    background: var(--surface-muted);
    border-bottom: 1px solid var(--border);
    color: var(--text-soft);
    font-size: 0.86rem;
}

.result-free-days .free-label {
    font-weight: 700;
}

.result-free-days .free-dates {
    color: var(--text-faint);
    font-size: 0.78rem;
}

.result-section-divider {
    background: #f7fafc;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    justify-content: flex-start;
    color: var(--text-soft);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.result-period {
    padding: 16px;
    border-bottom: 1px solid #e9eef3;
    background: white;
}

.result-period:last-child {
    border-bottom: 0;
}

.result-period-top,
.result-period-bottom {
    display: flex;
    justify-content: space-between;
    gap: 12px;
}

.result-period-top {
    align-items: baseline;
    margin-bottom: 6px;
}

.result-period-bottom {
    align-items: center;
}

.result-period-name {
    color: var(--brand);
    font-weight: 800;
    font-size: 0.9rem;
}

.result-period-subtotal {
    color: var(--brand);
    font-weight: 800;
    font-size: 0.98rem;
}

.result-period-dates,
.result-period-calc {
    font-size: 0.8rem;
}

.result-period-dates {
    color: var(--text-soft);
}

.result-period-calc {
    color: var(--text-faint);
}

.result-btn-group {
    display: flex;
    gap: 10px;
    margin-top: 14px;
}

.result-copy-btn,
.result-pdf-btn {
    min-height: 46px;
    padding: 11px 14px;
    font-size: 0.88rem;
    border-radius: 14px;
    box-shadow: none;
}

.result-copy-btn {
    background: white;
    color: var(--brand);
    border: 1px solid rgba(22, 50, 80, 0.22);
}

.result-pdf-btn {
    background: var(--brand-soft);
    color: var(--brand);
    border: 1px solid rgba(22, 50, 80, 0.12);
}

.batch-top-grid {
    display: grid;
    grid-template-columns: minmax(280px, 0.95fr) minmax(340px, 1.05fr);
    gap: 16px;
    align-items: stretch;
    margin-bottom: 18px;
}

.batch-top-grid-single {
    grid-template-columns: 1fr;
}

.drop-zone {
    position: relative;
    margin-bottom: 0;
    min-height: 100%;
    padding: 22px 24px;
    text-align: center;
    border-radius: 20px;
    border: 1.5px dashed rgba(22, 50, 80, 0.28);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(240, 245, 250, 0.92)),
        radial-gradient(circle at top right, rgba(197, 133, 63, 0.12), transparent 34%);
    transition: border-color 0.18s ease, transform 0.18s ease, background 0.18s ease;
    cursor: pointer;
}

.drop-zone.drag-over {
    border-color: rgba(22, 50, 80, 0.58);
    background: linear-gradient(180deg, #ffffff, #eaf1f8);
    transform: translateY(-1px);
}

.drop-zone-icon {
    width: 62px;
    height: 62px;
    margin: 0 auto 12px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--brand), #325e8d);
    color: white;
    font-size: 1rem;
    font-weight: 800;
    letter-spacing: 0.14em;
}

.drop-zone-text {
    color: var(--text-soft);
    font-size: 1rem;
    line-height: 1.2;
}

.drop-zone-text strong {
    color: var(--brand);
}

.drop-zone-sub,
.drop-zone-or {
    color: var(--text-faint);
    font-size: 0.77rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.drop-zone-sub {
    margin-top: 10px;
}

.drop-zone-download {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 0;
    width: auto;
    padding: 10px 14px;
    background: white;
    color: var(--success);
    border: 1px solid rgba(33, 107, 72, 0.22);
    box-shadow: none;
    margin-top: 12px;
}

.batch-table-shell {
    border-radius: 20px;
    border: 1px solid var(--border);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(244, 248, 252, 0.98));
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
    margin-bottom: 24px;
}

.batch-table-toolbar {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 16px;
    padding: 12px 14px 10px;
    border-bottom: 1px solid var(--border);
}

.batch-table-meta {
    margin: 0;
    color: var(--text-soft);
    font-size: 0.82rem;
    font-weight: 700;
}

.batch-table-wrapper,
.batch-results-table-wrap {
    overflow: auto;
    background: white;
    border: 1px solid var(--border);
    border-radius: 18px;
}

.batch-table-wrapper {
    max-height: 420px;
    margin: 0;
    border: 0;
    border-radius: 0 0 20px 20px;
}

.batch-table,
.batch-results-table {
    width: 100%;
    min-width: 760px;
    border-collapse: collapse;
    font-size: 0.8rem;
}

.batch-table th,
.batch-results-table th {
    position: sticky;
    top: 0;
    z-index: 2;
    text-align: left;
    padding: 11px 12px;
    background: #eef4f8;
    border-bottom: 1px solid var(--border);
    color: var(--brand);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.68rem;
    font-weight: 800;
}

.batch-table td,
.batch-results-table td {
    padding: 0;
    border-bottom: 1px solid #e7edf3;
    border-right: 1px solid #edf2f6;
    color: var(--text);
    vertical-align: middle;
}

.batch-table td:last-child,
.batch-table th:last-child,
.batch-results-table td:last-child,
.batch-results-table th:last-child {
    border-right: 0;
}

.batch-table tbody tr:nth-child(even) td,
.batch-results-table tr:nth-child(even):not(.batch-results-row-error) td {
    background: #fcfdff;
}

.batch-table tr:last-child td,
.batch-results-table tr:last-child td {
    border-bottom: 0;
}

.batch-col-index {
    width: 46px;
    text-align: center !important;
}

.batch-row-index {
    width: 46px;
    min-width: 46px;
    text-align: center;
    font-size: 0.74rem;
    font-weight: 800;
    color: var(--text-faint);
    background: #f5f8fb;
}

.batch-table input {
    min-width: 88px;
    min-height: 46px;
    padding: 11px 12px;
    border: 0;
    border-radius: 0;
    font-size: 0.82rem;
    background: transparent;
    box-shadow: none;
}

.batch-table input::placeholder {
    color: #90a0af;
}

.batch-table input:focus,
.batch-table input:focus-visible {
    border: 0;
    background: #fff8e8;
    box-shadow: inset 0 0 0 2px rgba(197, 133, 63, 0.45);
}

.batch-date-input,
.batch-number-input {
    font-variant-numeric: tabular-nums;
}

.batch-cell-ref input {
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.batch-cell-freeDays input,
.batch-cell-detentionFreeDays input {
    text-align: center;
}

.batch-table td.batch-remove {
    width: 52px;
    text-align: center;
    padding: 0;
    background: #fbfcfe;
}

.batch-remove-btn {
    width: 34px;
    height: 34px;
    min-height: 0;
    border-radius: 50%;
    padding: 0;
    background: rgba(185, 62, 62, 0.08);
    color: var(--danger);
    box-shadow: none;
    flex: unset;
}

.batch-remove-btn:hover {
    background: rgba(185, 62, 62, 0.14);
}

.batch-actions {
    margin-top: 18px;
    justify-content: flex-start;
}

.batch-results {
    margin-top: 20px;
}

.batch-results-panel {
    overflow: hidden;
    border-radius: 22px;
    border: 1px solid var(--border);
    background: white;
}

.batch-results-summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    background: linear-gradient(135deg, var(--brand-strong), #21486f);
    color: white;
    font-size: 0.92rem;
    font-weight: 800;
}

.batch-results-summary strong {
    font-size: 1.5rem;
    letter-spacing: -0.04em;
}

.batch-results-table-wrap {
    max-height: 380px;
}

.batch-results-table td.num {
    text-align: right;
}

.batch-results-table th,
.batch-results-table td {
    padding: 8px 10px;
}

.batch-results-table td.total,
.batch-results-subtotals strong,
.batch-results-table td.ref {
    color: var(--brand);
    font-weight: 800;
}

.batch-results-row-error td {
    background: #fff4f2;
    color: var(--danger);
    font-weight: 700;
}

.batch-results-subtotals {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    padding: 12px 16px;
    background: var(--surface-soft);
    border-top: 1px solid var(--border);
    color: var(--text-soft);
    font-size: 0.84rem;
}

.print-header {
    display: none;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--brand);
}

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

.print-header-logo {
    width: 54px;
    height: 54px;
    object-fit: contain;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 5px;
    background: white;
}

.print-header-title {
    color: var(--brand);
    font-size: 1.2rem;
    font-weight: 800;
}

.print-header-meta {
    color: var(--text-faint);
    font-size: 0.78rem;
}

.print-header-meta {
    text-align: right;
}

.batch-print-area {
    display: none;
}

@media print {
    @page {
        size: A4 portrait;
        margin: 10mm;
    }

    body {
        background: white;
    }

    body::before,
    body::after {
        display: none !important;
    }

    .page-shell,
    .form-container,
    .surface-result {
        padding: 0 !important;
    }

    .container {
        box-shadow: none;
        border: 0;
        border-radius: 0;
        max-width: 100%;
        background: white;
    }

    .header,
    .surface-form,
    .surface-result > .surface-head,
    .result-btn-group {
        display: none !important;
    }

    .print-header,
    .result-header,
    .result-free-days,
    .result-grand-total {
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    body.print-mode-single .header,
    body.print-mode-single .page-switcher,
    body.print-mode-single .section-header,
    body.print-mode-single .surface-form,
    body.print-mode-single .mode-link-card {
        display: none !important;
    }

    body.print-mode-single .container,
    body.print-mode-single .form-container,
    body.print-mode-single .calculator-grid,
    body.print-mode-single .surface-result {
        display: block !important;
        width: 100% !important;
        max-width: none !important;
    }

    body.print-mode-single .surface-result {
        padding: 0 !important;
        border: 0 !important;
        background: white !important;
        box-shadow: none !important;
    }

    body.print-mode-single #result {
        position: static;
        width: calc(100% - 3px);
        min-height: auto;
        margin: 0;
        padding: 0;
        display: block !important;
        color: #1c2733;
    }

    body.print-mode-single #result .print-header {
        display: flex !important;
        margin-bottom: 18px;
        padding: 2mm 2mm 14px 2mm;
        box-sizing: border-box;
        overflow: visible;
    }

    body.print-mode-single #result .print-header-logo {
        width: 52px;
        height: 52px;
    }

    body.print-mode-single #result .print-header-title {
        font-size: 1.22rem;
    }

    body.print-mode-single #result .print-header-meta {
        font-size: 0.72rem;
        line-height: 1.35;
        padding-left: 10px;
        flex-shrink: 0;
    }

    body.print-mode-single #result .result-header {
        background: #16324d !important;
        color: white !important;
        border-radius: 18px 18px 0 0;
    }

    body.print-mode-single #result .result-body {
        border-color: #d3dde7;
        box-shadow: none;
    }

    body.print-mode-single #result .result-section-divider,
    body.print-mode-single #result .result-free-days,
    body.print-mode-single #result .result-period {
        break-inside: avoid;
    }

    body.print-mode-batch .container {
        display: none !important;
    }

    body.print-mode-batch #batchPrintArea {
        display: block !important;
        width: 100%;
        max-width: 100%;
        margin: 0;
        padding: 0;
        background: white;
    }
}

@media (max-width: 1080px) {
    .section-header,
    .calculator-grid {
        grid-template-columns: 1fr;
        display: grid;
    }

    .section-header {
        align-items: start;
    }

    .surface-result {
        position: static;
    }

    .tariff-grid {
        grid-template-columns: 1fr;
    }

    .single-input-grid {
        grid-template-columns: 1fr;
    }

    .batch-tariff-grid {
        grid-template-columns: 1fr;
    }

    .batch-card-top {
        grid-template-columns: 1fr;
    }

    .single-detention-top {
        grid-template-columns: 1fr;
    }

    .tariff-card-detention .tariff-card-head {
        flex-direction: column;
        align-items: flex-start;
    }

    .batch-top-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 760px) {
    .page-shell {
        padding: 12px;
    }

    .container {
        border-radius: 24px;
    }

    .header,
    .form-container {
        padding: 22px 18px;
    }

    .header-top {
        align-items: flex-start;
    }

    .surface-form,
    .surface-result,
    .surface-batch-page {
        padding: 18px;
    }

    .button-group,
    .result-btn-group {
        flex-direction: column;
    }

    .mode-link-card {
        flex-direction: column;
        align-items: flex-start;
    }

    .tariff-card-head-inline {
        grid-template-columns: 1fr;
        grid-template-areas:
            "kicker"
            "title"
            "action";
        align-items: start;
    }

    .add-period-btn-inline {
        width: 100%;
    }

    .period-inputs,
    .result-period-top,
    .result-period-bottom,
    .result-free-days {
        grid-template-columns: 1fr;
        flex-direction: column;
        align-items: flex-start;
    }

    .drop-zone {
        padding: 20px 16px;
    }

    .batch-table-toolbar {
        flex-direction: column;
        align-items: flex-start;
    }

    .batch-table-wrapper,
    .batch-results-table-wrap {
        border-radius: 16px;
    }
}

@media (max-width: 520px) {
    body {
        background: white;
    }

    body::before,
    body::after {
        display: none;
    }

    .page-shell {
        padding: 0;
    }

    .container {
        border-radius: 0;
        border-left: 0;
        border-right: 0;
        min-height: 100vh;
    }

    .logo {
        width: 62px;
        height: 62px;
        border-radius: 16px;
    }

    .header h1 {
        font-size: 1.65rem;
    }

    .result-total {
        font-size: 2.1rem;
    }

    .page-switcher {
        width: 100%;
        display: grid;
        grid-template-columns: 1fr 1fr;
    }

    .page-switcher a {
        width: 100%;
    }
}