:root {
    --bg: #ffffff;
    --paper: #ffffff;
    --ink: #434056;
    --ink-strong: #2f2c3b;
    --accent: #ff6b2c;
    --accent-2: #ff3d2e;
    --accent-soft: #fff0e8;
    --brand-blue: #4ca7e2;
    --brand-blue-soft: #e7f5ff;
    --warning-soft: #fff6dc;
    --warning-ink: #9a6b00;
    --danger: #b42318;
    --muted: #666273;
    --line: #ece8e1;
    --shadow: 0 14px 34px rgba(67, 64, 86, 0.05);
    --radius: 22px;
    --font: "Avenir Next", "Trebuchet MS", sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg);
    color: var(--ink);
    font-family: var(--font);
}
a { color: var(--ink); text-decoration: none; }
button, input, select, textarea { font: inherit; }
code { background: rgba(15, 118, 110, 0.08); padding: 2px 6px; border-radius: 8px; }

.shell { display: grid; min-height: 100vh; grid-template-columns: 280px 1fr; }
.shell-guest { grid-template-columns: 1fr; }
.sidebar { background:
    radial-gradient(circle at top left, rgba(255,255,255,0.08), transparent 26%),
    linear-gradient(180deg, #373347, #262331 60%, #1f1b28);
    color: white; padding: 28px 24px 24px; display: flex; flex-direction: column; justify-content: space-between; gap: 24px; }
.sidebar-top { display: grid; gap: 18px; align-content: start; }
.sidebar h1 { margin: 8px 0 0; font-size: 28px; line-height: 1.1; }
.sidebar-logo { width: 212px; max-width: 100%; display: block; margin-bottom: 14px; }
.sidebar-copy { color: rgba(255,255,255,0.7); line-height: 1.5; margin: 10px 0 0; }
.nav { display: grid; gap: 10px; margin-top: 4px; }
.nav a { color: rgba(255,255,255,0.8); padding: 12px 14px; border-radius: 14px; background: transparent; }
.nav a.active, .nav a:hover { background: linear-gradient(90deg, rgba(255,107,44,0.22), rgba(76,167,226,0.18)); color: white; }
.user-card { padding: 16px; border-radius: 18px; background: rgba(255,255,255,0.08); display: grid; gap: 8px; }
.content { padding: 26px 26px 26px; display: grid; gap: 18px; align-content: start; }
.shell-guest .content {
    min-height: 100vh;
    padding: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.shell-guest .content > * { width: 100%; }

.eyebrow { margin: 0; text-transform: uppercase; letter-spacing: 0.12em; color: var(--accent); font-size: 12px; font-weight: 700; }
.eyebrow-light { color: rgba(255,255,255,0.75); }
.muted { color: var(--muted); }
.hero-text { margin: 10px 0 0; color: var(--muted); line-height: 1.6; max-width: 720px; }
.hero-inline { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 14px; }
.hero-kicker { display: inline-flex; align-items: center; min-height: 36px; padding: 0 14px; border-radius: 999px; background: #f7f5f1; color: var(--ink); font-weight: 600; }
.page-hero { display: flex; justify-content: space-between; align-items: end; gap: 20px; padding: 24px 26px; background: linear-gradient(135deg, #fffaf6, #ffffff 48%, #f7fbff); border: 1px solid var(--line); border-radius: 28px; box-shadow: var(--shadow); }
.page-hero-copy h2 { margin: 6px 0 0; font-size: 34px; color: var(--ink-strong); }
.page-hero-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: flex-end; }
.page-header { display: flex; justify-content: space-between; align-items: end; gap: 16px; margin: 0; }
.page-header h2 { margin: 4px 0 0; font-size: 30px; color: var(--ink-strong); }
.actions { display: flex; gap: 10px; align-items: center; }

.panel, .auth-panel { background: var(--paper); border: 1px solid rgba(216, 210, 200, 0.7); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; }
.panel-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 16px; }
.panel-head-tight { margin-bottom: 12px; }
.panel-head h3,
.section-heading h3 { margin: 6px 0 0; font-size: 24px; color: var(--ink-strong); }
.stats-grid,
.metric-strip { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.stat-card,
.metric-card { background: linear-gradient(180deg, #ffffff, #fffaf6); border: 1px solid var(--line); padding: 20px; border-radius: 24px; position: relative; overflow: hidden; }
.stat-card::after { content: ""; position: absolute; inset: auto -20px -40px auto; width: 100px; height: 100px; background: radial-gradient(circle, rgba(76,167,226,0.18), transparent 68%); }
.stat-card span,
.metric-card span { display: block; color: var(--muted); margin-bottom: 10px; }
.stat-card strong,
.metric-card strong { display: block; font-size: 30px; color: var(--ink-strong); line-height: 1.1; }
.metric-card p { margin: 10px 0 0; color: var(--muted); line-height: 1.5; }
.accent-card { background: linear-gradient(135deg, #fff4ec, #fffefe); }
.metric-strip-compact .metric-card strong { font-size: 24px; }
.two-column { display: grid; grid-template-columns: 1.3fr 1fr; gap: 20px; }
.two-column-single { grid-template-columns: 1fr; }
.stack { display: grid; gap: 16px; }
.toolbar { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: -2px; }
.toolbar-wide input[type="search"] { flex: 1 1 360px; }
.search-panel { padding: 18px 20px; }
.filter-grid { display: grid; gap: 14px; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-bottom: 14px; }

.field { display: grid; gap: 8px; }
.field span { font-weight: 600; font-size: 14px; }
.field input, .field select, .field textarea, .toolbar input { border: 1px solid var(--line); border-radius: 16px; padding: 13px 15px; background: #fff; }
.field input:focus, .field select:focus, .field textarea:focus, .toolbar input:focus { outline: none; border-color: rgba(255, 107, 44, 0.5); box-shadow: 0 0 0 4px rgba(255, 107, 44, 0.08); }
.form-grid { display: grid; gap: 16px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.field-full { grid-column: 1 / -1; }
.allocation-row { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr; gap: 10px; }
.allocation-row input, .allocation-row select { border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px; }
.allocation-head { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr auto; gap: 10px; margin-bottom: 10px; color: var(--muted); font-size: 12px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; }
.allocation-row { grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr auto; align-items: center; }
.student-autocomplete { position: relative; }
.student-autocomplete [data-student-query] { width: 100%; }
.student-suggestions {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    right: 0;
    z-index: 20;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 14px;
    box-shadow: 0 10px 24px rgba(67, 64, 86, 0.1);
    max-height: 240px;
    overflow-y: auto;
    padding: 6px;
}
.student-suggestion {
    width: 100%;
    border: 0;
    background: transparent;
    border-radius: 10px;
    display: grid;
    gap: 2px;
    text-align: left;
    padding: 9px 10px;
    cursor: pointer;
}
.student-suggestion strong { font-size: 14px; color: var(--ink-strong); }
.student-suggestion small { font-size: 12px; color: var(--muted); }
.student-suggestion:hover { background: #fff4ec; }
.danger-inline { min-height: 42px; padding: 8px 10px; border-radius: 12px; font-size: 12px; }
.totals-bar { margin-top: 14px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; padding: 14px; border-radius: 16px; border: 1px solid var(--line); background: #fbfaf8; }
.totals-bar > div { display: grid; gap: 4px; }
.totals-bar span { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.totals-bar strong { font-size: 22px; color: var(--ink-strong); }
.totals-bar.ok { border-color: #bfe8d0; background: #f2fbf6; }
.totals-bar.warning { border-color: #f5d69c; background: #fff9ee; }
.mismatch-box { margin-top: 14px; padding: 16px; border-radius: 16px; border: 1px solid #f5d69c; background: #fff8eb; display: grid; gap: 10px; }
.mismatch-box p { margin: 0; color: #845b00; line-height: 1.5; }
.duplicate-warning { border-color: #efc2b4; background: #fff5f1; }
.duplicate-warning p { color: #8d3d28; }
.duplicate-list { margin: 0; padding-left: 18px; display: grid; gap: 8px; }
.duplicate-list li { display: grid; gap: 2px; color: var(--ink-strong); }
.duplicate-list small { color: var(--muted); }
.form-section { padding: 22px; }
.section-heading { margin-bottom: 18px; }
.form-actions { display: flex; justify-content: flex-end; flex-wrap: wrap; gap: 10px; }
.student-form { gap: 18px; }

.primary, .ghost, .danger { display: inline-flex; justify-content: center; align-items: center; border-radius: 999px; padding: 12px 18px; border: 0; cursor: pointer; transition: transform 120ms ease; }
.primary:hover, .ghost:hover, .danger:hover { transform: translateY(-1px); }
.primary { background: linear-gradient(90deg, var(--accent), var(--accent-2)); color: white; box-shadow: 0 10px 24px rgba(255, 107, 44, 0.22); }
.ghost { background: var(--brand-blue-soft); color: #1f6b9a; }
.danger { background: #fee4e2; color: var(--danger); }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 14px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em; }
.table-panel { padding-top: 18px; }
.table-primary { font-weight: 700; color: var(--ink-strong); }
.table-subline { margin-top: 4px; color: var(--muted); font-size: 13px; }
.stacked-line { display: grid; gap: 3px; max-width: 520px; }
.tiny-line { display: grid; gap: 2px; padding: 7px 0; border-bottom: 1px solid var(--line); }
.tiny-line:last-child { border-bottom: 0; }
.tiny-line strong { color: var(--ink-strong); font-size: 13px; }
.tiny-line span { color: var(--muted); font-size: 12px; }
.receipt-delivery-state {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 6px;
    font-size: 12px;
    font-weight: 600;
}
.receipt-delivery-state.is-delivered { color: #1f7a4d; }
.receipt-delivery-state.is-pending { color: #9a6a1f; }
.pagination-wrap { margin-top: 18px; }
.pagination-wrap nav[role="navigation"] { display: grid; gap: 12px; }
.pagination-wrap .hidden.sm\\:flex-1,
.pagination-wrap .flex.gap-2 { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.pagination-wrap .hidden.sm\\:flex-1 > div:last-child,
.pagination-wrap .flex.gap-2 { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.pagination-wrap .hidden.sm\\:flex-1 > div:first-child { color: var(--muted); font-size: 14px; }
.pagination-wrap span.inline-flex,
.pagination-wrap a.inline-flex,
.pagination-wrap [aria-current="page"] > span,
.pagination-wrap [aria-disabled="true"] > span { display: inline-flex; align-items: center; justify-content: center; min-width: 40px; min-height: 40px; padding: 0 14px; border: 1px solid var(--line); border-radius: 12px; background: #fff; color: var(--ink); }
.pagination-wrap [aria-current="page"] > span { background: linear-gradient(90deg, #fff0e8, #eef8ff); color: var(--ink-strong); font-weight: 700; }
.pagination-wrap [aria-disabled="true"] > span { color: #9d96a8; background: #fbf7f3; }
.pagination-wrap a.inline-flex:hover { background: #fff6f0; }
.pagination-wrap svg { width: 16px; height: 16px; flex: 0 0 16px; }
.pagination-wrap-custom {
    margin-top: 20px;
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: linear-gradient(135deg, #fffaf5, #ffffff 45%, #f5fbff);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
.pager-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
}
.pagination-wrap-custom nav[role="navigation"] {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    flex-wrap: nowrap;
}
.pagination-wrap-custom .pager-nav {
    flex-wrap: nowrap;
    justify-content: center;
}
.pager-pages {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
}
.pagination-wrap-custom .pager-pages {
    flex-wrap: nowrap;
}
.pager-btn,
.pager-page {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 38px;
    padding: 0 14px;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: #fff;
    color: var(--ink);
    font-weight: 600;
    text-decoration: none;
    transition: all 120ms ease;
}
.pager-page {
    min-width: 38px;
    padding: 0 10px;
}
.pager-btn:hover,
.pager-page:hover {
    border-color: #ffd5ba;
    background: #fff4ec;
}
.pager-page.is-current {
    border-color: #ffb384;
    background: linear-gradient(90deg, #ffe7d5, #ffeede);
    color: var(--ink-strong);
    font-weight: 700;
}
.pager-btn.is-disabled {
    background: #f7f4f1;
    color: #a39aae;
    border-color: #e6dfd8;
    pointer-events: none;
}
.pager-ellipsis {
    color: var(--muted);
    padding: 0 4px;
}
.status-pill { display: inline-flex; align-items: center; min-height: 34px; padding: 0 12px; border-radius: 999px; font-size: 13px; font-weight: 700; }
.status-pill.success { background: #e8f7ef; color: #106c43; }
.status-pill.warning { background: var(--warning-soft); color: var(--warning-ink); }
.status-pill.neutral { background: #f2f1f5; color: #5b5668; }
.quick-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.primary-inline,
.ghost-inline { min-height: 34px; padding: 8px 12px; font-size: 12px; }
.detail-grid { display: grid; gap: 18px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.detail-card { height: auto; }
.detail-card-wide { grid-column: 1 / -1; }
.detail-list { display: grid; gap: 12px; }
.detail-row { display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.detail-row span { color: var(--muted); }
.detail-row strong { text-align: right; color: var(--ink-strong); }
.note-box { min-height: 120px; padding: 18px; border-radius: 18px; background: linear-gradient(135deg, #fff8f2, #ffffff); border: 1px solid var(--line); line-height: 1.7; color: var(--ink); }
.notice-box { margin-top: 14px; padding: 14px 16px; border-radius: 14px; border: 1px solid var(--line); background: #fbfaf8; display: grid; gap: 6px; }
.notice-box strong { color: var(--ink-strong); }
.notice-box p { margin: 0; color: var(--muted); }
.notice-box.warning { background: #fff8eb; border-color: #f5d69c; }
.nested-panel { margin-top: 16px; padding: 14px; border-radius: 16px; background: #fffdfb; }
.contact-card { display: flex; justify-content: space-between; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.contact-card strong { color: var(--ink-strong); }
.contact-card p { margin: 4px 0 0; color: var(--muted); }
.contact-meta { display: grid; gap: 6px; text-align: right; color: var(--muted); }
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip { display: inline-flex; padding: 10px 14px; border-radius: 999px; background: linear-gradient(90deg, #fff1e7, #ebf6ff); }
.alert { padding: 16px 18px; border-radius: 18px; }
.alert.success { background: #e7f8ef; color: #106c43; }
.alert.danger { background: #fee4e2; color: var(--danger); }
.list-clean { list-style: none; padding: 0; margin: 0; }
.item-line { display: flex; justify-content: space-between; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.json-box { white-space: pre-wrap; background: #0f172a; color: #d8f6ff; padding: 16px; border-radius: 16px; overflow: auto; }
.auth-screen { max-width: 1120px; margin: 0 auto; display: grid; grid-template-columns: 1.15fr 0.95fr; gap: 18px; }
.auth-panel { padding: 24px; }
.auth-intro { background: linear-gradient(155deg, #fff9f4, #ffffff 58%, #f5fbff); display: grid; gap: 12px; align-content: start; }
.auth-form-card { display: grid; gap: 16px; align-content: start; }
.auth-form-head h3 { margin: 6px 0 0; font-size: 30px; color: var(--ink-strong); }
.auth-logo { width: 190px; max-width: 100%; display: block; margin-bottom: 6px; }
.auth-feature-list { margin-top: 10px; display: grid; gap: 10px; }
.auth-feature-item { border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px; background: #ffffff; }
.auth-feature-item strong { color: var(--ink-strong); font-size: 14px; }
.auth-feature-item p { margin: 4px 0 0; color: var(--muted); font-size: 13px; line-height: 1.5; }
.auth-help { padding: 16px 18px; border-radius: 18px; background: linear-gradient(90deg, #fff0e8, #eef8ff); color: var(--ink); }
.inline { display: inline-flex; gap: 10px; align-items: center; }

@media (max-width: 980px) {
    .shell { grid-template-columns: 1fr; }
    .sidebar { position: sticky; top: 0; z-index: 10; }
    .two-column, .form-grid, .allocation-row, .detail-grid, .metric-strip, .filter-grid, .totals-bar { grid-template-columns: 1fr; }
    .allocation-head { display: none; }
    .content { padding: 18px; }
    .page-header { align-items: start; flex-direction: column; }
    .page-hero { grid-template-columns: 1fr; flex-direction: column; align-items: start; }
    .page-hero { padding: 20px; }
    .page-hero-copy h2 { font-size: 28px; }
    .page-hero-actions { justify-content: flex-start; }
    .shell-guest .content { padding: 18px; align-items: start; }
    .auth-screen { grid-template-columns: 1fr; margin: 0; }
    .auth-form-head h3 { font-size: 26px; }
    .detail-row, .contact-card { flex-direction: column; }
    .contact-meta { text-align: left; }
    .pagination-wrap .hidden.sm\\:flex-1,
    .pagination-wrap .flex.gap-2 { flex-direction: column; align-items: stretch; }
    .pagination-wrap:not(.pagination-wrap-custom) .pager-nav { flex-direction: column; align-items: stretch; }
    .pagination-wrap:not(.pagination-wrap-custom) .pager-btn { width: 100%; }
    .pagination-wrap:not(.pagination-wrap-custom) .pager-pages { justify-content: flex-start; }
    .pagination-wrap-custom .pager-nav,
    .pagination-wrap-custom .pager-pages { justify-content: center; }
}