:root {
    color-scheme: light;
    --color-bg: #f4f7f5;
    --color-surface: #ffffff;
    --color-primary: #1f6f5f;
    --color-primary-dark: #145347;
    --color-accent: #dff3ec;
    --color-text: #17342e;
    --color-muted: #62736f;
    --color-border: #dce6e2;
    --shadow-card: 0 12px 32px rgb(31 111 95 / 10%);
    font-family: Inter, ui-rounded, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { min-height: 100%; background: var(--color-bg); -webkit-text-size-adjust: 100%; }
body {
    min-width: 320px; min-height: 100vh; min-height: 100dvh; margin: 0;
    color: var(--color-text);
    background: radial-gradient(circle at 90% 5%, rgb(127 207 180 / 25%), transparent 34%), var(--color-bg);
    -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; }

.topbar__logout { margin-left: auto; background: none; border: 0; font: inherit; cursor: pointer; }
.auth-page { min-height: calc(100vh - 9rem); display: grid; place-items: center; padding: 1rem 0; }
.auth-card { width: min(100%, 28rem); padding: 1.5rem; background: var(--surface, #fff); border-radius: 1rem; box-shadow: 0 0.5rem 2rem rgba(0, 0, 0, .08); }
.auth-card form { display: grid; gap: 1rem; margin-top: 1.25rem; }
.auth-card input { width: 100%; min-height: 3rem; font-size: 1rem; }
.auth-submit { width: 100%; min-height: 3rem; }
.access-grid { margin: 1.5rem 0; padding: 1rem; border: 1px solid #d7dedb; border-radius: .75rem; }
.access-row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(8rem, .55fr); gap: 1rem; align-items: end; padding: .75rem 0; border-bottom: 1px solid #e8ecea; }
.access-row:last-child { border-bottom: 0; }
@media (max-width: 34rem) { .access-row { grid-template-columns: 1fr; gap: .5rem; } }
button, a { -webkit-tap-highlight-color: transparent; }
button, input, select, textarea { font: inherit; }
a { color: inherit; }
.app-shell {
    width: min(100%, 1180px); min-height: 100vh; min-height: 100dvh; margin: 0 auto;
    padding: env(safe-area-inset-top) 0 calc(84px + env(safe-area-inset-bottom));
}
.topbar { display: flex; align-items: center; min-height: 68px; padding: 12px max(20px, env(safe-area-inset-left)); }
.brand { display: inline-flex; gap: 10px; align-items: center; min-height: 44px; color: var(--color-text); font-size: 1.05rem; font-weight: 800; text-decoration: none; }
.brand__mark { display: grid; width: 42px; height: 42px; color: #fff; background: var(--color-primary); border-radius: 14px; place-items: center; }
.page-content { padding: 12px max(20px, env(safe-area-inset-right)) 32px max(20px, env(safe-area-inset-left)); }
.hero { padding: 28px 0 36px; }
.eyebrow { margin: 0 0 12px; color: var(--color-primary); font-size: .78rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
h1 { max-width: 760px; margin: 0; font-size: clamp(2.2rem, 11vw, 5rem); line-height: .98; letter-spacing: -.055em; }
.hero__lead { max-width: 620px; margin: 22px 0 0; color: var(--color-muted); font-size: clamp(1.05rem, 4.5vw, 1.3rem); line-height: 1.55; }
.primary-action { min-width: 180px; min-height: 52px; margin-top: 28px; padding: 0 24px; color: #fff; font: inherit; font-weight: 750; background: var(--color-primary); border: 0; border-radius: 16px; box-shadow: 0 8px 22px rgb(31 111 95 / 24%); opacity: 1; }
.feature-grid { display: grid; gap: 14px; }
.feature-card { padding: 22px; background: rgb(255 255 255 / 88%); border: 1px solid rgb(220 230 226 / 80%); border-radius: 22px; box-shadow: var(--shadow-card); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.feature-card__icon { display: grid; width: 46px; height: 46px; color: var(--color-primary-dark); font-size: 1.3rem; font-weight: 800; background: var(--color-accent); border-radius: 15px; place-items: center; }
.feature-card h2 { margin: 18px 0 8px; font-size: 1.1rem; }
.feature-card p { margin: 0; color: var(--color-muted); line-height: 1.5; }
.bottom-nav {
    position: fixed; z-index: 10; right: 0; bottom: 0; left: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(0, 1fr));
    min-height: calc(68px + env(safe-area-inset-bottom));
    padding: 7px max(10px, env(safe-area-inset-right)) env(safe-area-inset-bottom) max(10px, env(safe-area-inset-left));
    background: rgb(255 255 255 / 92%); border-top: 1px solid var(--color-border); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
}
.bottom-nav__item { display: flex; flex-direction: column; gap: 3px; align-items: center; justify-content: center; min-width: 64px; min-height: 54px; color: var(--color-muted); font-size: .72rem; font-weight: 650; text-decoration: none; border-radius: 14px; }
.bottom-nav__item--active { color: var(--color-primary); background: var(--color-accent); }
.bottom-nav__icon { font-size: 1.25rem; line-height: 1; }
.bottom-nav__logout-form { display: none; margin: 0; }
.bottom-nav__logout { padding: 0 16px; background: transparent; border: 0; cursor: pointer; }
.message-list { display: grid; gap: 8px; margin-bottom: 18px; }
.message { padding: 13px 16px; background: var(--color-accent); border: 1px solid var(--color-border); border-radius: 14px; line-height: 1.4; }
.message--error { color: #7d2929; background: #fff0f0; border-color: #f0caca; }
.page-header { display: grid; gap: 22px; align-items: end; margin: 12px 0 28px; }
.page-header--compact { margin-bottom: 18px; }
.page-title { max-width: none; font-size: clamp(2rem, 10vw, 3.7rem); line-height: 1; letter-spacing: -.045em; }
.page-lead { max-width: 620px; margin: 12px 0 0; color: var(--color-muted); line-height: 1.5; }
.title-with-status { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.header-actions, .primary-actions, .form-actions, .card-actions { display: grid; gap: 10px; }
.button {
    display: inline-flex; align-items: center; justify-content: center; width: 100%; min-height: 48px; padding: 10px 18px;
    font-weight: 750; text-align: center; text-decoration: none; background: transparent; border: 1px solid transparent; border-radius: 14px; cursor: pointer;
}
.button--primary { color: #fff; background: var(--color-primary); box-shadow: 0 8px 18px rgb(31 111 95 / 18%); }
.button--primary:hover { background: var(--color-primary-dark); }
.button--secondary { color: var(--color-primary-dark); background: var(--color-surface); border-color: var(--color-border); }
.button--danger-quiet { min-height: 44px; color: #8b3131; background: #fff4f4; border-color: #f0d0d0; }
.button--danger { color: #fff; background: #9d2f2f; }
.text-link { display: inline-flex; align-items: center; min-height: 44px; color: var(--color-primary); font-weight: 750; text-decoration: underline; text-underline-offset: 3px; }
.card-grid { display: grid; gap: 14px; }
.entity-card, .form-card, .student-section, .history-panel, .toolbar {
    min-width: 0; padding: 20px; background: rgb(255 255 255 / 92%); border: 1px solid var(--color-border); border-radius: 20px; box-shadow: var(--shadow-card);
}
.entity-card--inactive { opacity: .72; box-shadow: none; }
.entity-card__heading { display: flex; gap: 12px; align-items: start; justify-content: space-between; }
.entity-card h2 { margin: 0; font-size: 1.2rem; overflow-wrap: anywhere; }
.entity-card h2 a { text-decoration: none; }
.entity-card__meta { margin: 12px 0 18px; color: var(--color-muted); }
.status-badge, .count-badge { display: inline-flex; flex: none; align-items: center; min-height: 28px; padding: 3px 10px; color: var(--color-primary-dark); font-size: .76rem; font-weight: 800; background: var(--color-accent); border-radius: 999px; }
.status-badge--muted { color: var(--color-muted); background: #edf0ef; }
.empty-state { width: 100%; padding: 34px 20px; text-align: center; background: rgb(255 255 255 / 72%); border: 1px dashed var(--color-border); border-radius: 20px; }
.empty-state h2 { margin: 0 0 8px; }
.empty-state p { margin: 0; color: var(--color-muted); line-height: 1.5; }
.empty-state .button { margin-top: 18px; }
.empty-state--compact { padding: 22px 14px; box-shadow: none; }
.breadcrumbs { display: flex; gap: 8px; align-items: center; margin: 2px 0 22px; color: var(--color-muted); font-size: .88rem; overflow-wrap: anywhere; }
.breadcrumbs a { display: inline-flex; align-items: center; min-height: 44px; color: var(--color-primary); }
.toolbar { margin-bottom: 14px; box-shadow: none; }
.toolbar form { display: grid; gap: 8px; }
.toolbar label { font-size: .82rem; font-weight: 800; }
.toolbar select { width: 100%; min-height: 48px; padding: 0 40px 0 13px; color: var(--color-text); background: #fff; border: 1px solid var(--color-border); border-radius: 13px; }
.primary-actions { margin: 14px 0 24px; }
.notice { margin: 14px 0 24px; padding: 14px 16px; color: var(--color-muted); background: #edf0ef; border-radius: 14px; line-height: 1.45; }
.student-section { padding: 0; overflow: hidden; }
.section-subtitle { margin: 5px 0 0; color: var(--color-muted); font-size: .88rem; }
.xlsx-panel { margin: 24px 0; overflow: hidden; background: rgb(255 255 255 / 92%); border: 1px solid var(--color-border); border-radius: 20px; box-shadow: var(--shadow-card); }
.xlsx-panel__body { display: grid; gap: 18px; padding: 20px; border-top: 1px solid var(--color-border); }
.xlsx-action { display: grid; gap: 14px; min-width: 0; padding: 16px; background: #f7faf8; border: 1px solid var(--color-border); border-radius: 16px; }
.import-summary-grid { display: grid; gap: 10px; }
.import-summary-grid .count-card { text-decoration: none; }
.import-errors { padding: 16px; color: #7d2929; background: #fff0f0; border: 1px solid #f0caca; border-radius: 14px; }
.import-errors h2 { margin: 0 0 8px; font-size: 1.15rem; }
.import-errors p { margin: 0 0 12px; line-height: 1.5; }
.import-errors ol { display: grid; gap: 8px; margin: 0; padding-left: 24px; }
.import-errors li { overflow-wrap: anywhere; }
.import-success { margin: 0; color: var(--color-primary-dark); background: var(--color-accent); }
.section-heading { display: flex; align-items: center; justify-content: space-between; padding: 20px; border-bottom: 1px solid var(--color-border); }
.section-heading h2 { margin: 0; font-size: 1.25rem; }
.student-list { display: grid; }
.student-row { display: grid; gap: 16px; min-width: 0; padding: 18px 20px; border-bottom: 1px solid var(--color-border); }
.student-row:last-child { border-bottom: 0; }
.student-row__identity { display: grid; gap: 4px; min-width: 0; }
.student-row__identity strong, .student-row__identity small { overflow-wrap: anywhere; }
.student-row__identity span, .student-row__identity small { color: var(--color-muted); line-height: 1.4; }
.student-row__actions { display: grid; gap: 8px; }
.student-row__actions form { margin: 0; }
.history-panel { margin-top: 18px; padding: 0; overflow: hidden; box-shadow: none; }
.history-panel summary { display: flex; gap: 10px; align-items: center; justify-content: space-between; min-height: 62px; padding: 14px 20px; font-weight: 800; cursor: pointer; }
.student-list--history { border-top: 1px solid var(--color-border); }
.form-layout { width: min(100%, 720px); margin: 0 auto; }
.form-card { display: grid; gap: 18px; }
.payer-picker, .inline-create { display: grid; gap: 12px; padding: 16px; border: 1px solid var(--color-border); border-radius: 16px; }
.payer-picker h2, .inline-create summary { margin: 0; font-size: 1.05rem; font-weight: 750; }
.payer-search-row { display: flex; flex-wrap: wrap; gap: 10px; }
.payer-search-row input { flex: 1 1 220px; }
.payer-results { display: grid; gap: 8px; }
.payer-result { width: 100%; padding: 12px; color: inherit; text-align: left; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 12px; cursor: pointer; }
.payer-result:hover, .payer-result:focus-visible { border-color: var(--color-primary); background: var(--color-accent); }
.payer-selected { padding: 12px; color: var(--color-primary); font-weight: 700; background: var(--color-accent); border-radius: 12px; }
.inline-create[open] summary { margin-bottom: 8px; }
.form-field { display: grid; gap: 7px; min-width: 0; }
.form-field label { font-weight: 750; }
.form-field input:not([type="checkbox"]), .form-field select, .form-field textarea {
    width: 100%; min-width: 0; min-height: 48px; padding: 11px 13px; color: var(--color-text); background: #fff; border: 1px solid #bdcdc7; border-radius: 12px;
}
.form-field textarea { min-height: 96px; resize: vertical; }
.form-field--checkbox { grid-template-columns: auto 1fr; align-items: center; }
.form-field--checkbox input { width: 22px; height: 22px; margin: 0; accent-color: var(--color-primary); }
.form-field--checkbox label { grid-column: 2; grid-row: 1; }
.errorlist { margin: 0; padding-left: 20px; color: #9d2f2f; font-size: .88rem; }
.form-errors { padding: 12px; color: #8b2929; background: #fff0f0; border-radius: 12px; }
.form-errors p, .manual-errors p { margin: 0; }
.manual-errors { display: grid; gap: 5px; margin-top: 10px; padding: 12px; color: #8b2929; background: #fff0f0; border-radius: 12px; }
.help-text { color: var(--color-muted); font-size: .85rem; }
.warning-card { padding: 14px 16px; color: #704b12; line-height: 1.5; background: #fff7df; border: 1px solid #ead7a1; border-radius: 14px; }
.expense-preview { padding: 16px; background: var(--color-accent); border-radius: 16px; }
.expense-preview h2 { margin: 0 0 12px; font-size: 1.05rem; }
.expense-preview dl { display: grid; gap: 9px; margin: 0; }
.expense-preview dl div { display: flex; gap: 12px; align-items: baseline; justify-content: space-between; min-width: 0; }
.expense-preview dt { color: var(--color-muted); }
.expense-preview dd { margin: 0; font-weight: 800; text-align: right; overflow-wrap: anywhere; }
.finance-summary { margin: 24px 0; overflow: hidden; background: rgb(255 255 255 / 92%); border: 1px solid var(--color-border); border-radius: 20px; box-shadow: var(--shadow-card); }
.finance-heading { border-bottom: 0; }
.finance-totals { display: grid; gap: 10px; margin: 0 20px 20px; }
.money-card { display: grid; gap: 6px; min-width: 0; padding: 16px; background: var(--color-accent); border-radius: 16px; }
.money-card span { color: var(--color-muted); font-size: .8rem; font-weight: 750; }
.money-card strong { font-size: 1.35rem; overflow-wrap: anywhere; }
.money-card--negative, .finance-student--negative { color: #8b2929; background: #fff0f0; border-color: #efc6c6; }
.finance-actions { margin: 0; padding: 0 20px 20px; }
.finance-students { display: grid; border-top: 1px solid var(--color-border); }
.finance-student { display: grid; gap: 12px; min-width: 0; padding: 18px 20px; text-decoration: none; border-bottom: 1px solid var(--color-border); }
.finance-student:last-child { border-bottom: 0; }
.finance-student__name { overflow-wrap: anywhere; }
.finance-student span { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.finance-student small { color: var(--color-muted); }
.finance-student b { text-align: right; }
.participant-fieldset { min-width: 0; margin: 0; padding: 0; border: 0; }
.participant-fieldset legend { margin-bottom: 8px; font-weight: 750; }
.participant-list { display: grid; margin-top: 12px; overflow: hidden; border: 1px solid var(--color-border); border-radius: 16px; }
.participant-row { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 12px; align-items: center; min-width: 0; min-height: 58px; padding: 10px 12px; border-bottom: 1px solid var(--color-border); }
.participant-row:last-child { border-bottom: 0; }
.participant-row > input[type="checkbox"] { width: 22px; height: 22px; margin: 0; accent-color: var(--color-primary); }
.participant-name { min-width: 0; overflow-wrap: anywhere; }
.equal-share { font-weight: 800; white-space: nowrap; }
.manual-share { grid-column: 2 / -1; width: 100%; min-height: 44px; padding: 8px 11px; border: 1px solid #bdcdc7; border-radius: 10px; }
.manual-share[hidden] { display: none; }
.allocation-total { margin-top: 12px; text-align: right; }
.operation-list { display: grid; gap: 12px; }
.operation-card { display: grid; gap: 14px; min-width: 0; padding: 18px; background: rgb(255 255 255 / 92%); border: 1px solid var(--color-border); border-radius: 18px; box-shadow: var(--shadow-card); }
.operation-card--cancelled { opacity: .68; box-shadow: none; }
.operation-card__main { display: grid; gap: 5px; min-width: 0; }
.operation-card__main strong, .operation-card__main p { overflow-wrap: anywhere; }
.operation-card__main small { color: var(--color-muted); }
.operation-card__main p { margin: 5px 0 0; color: var(--color-muted); }
.operation-kind { color: var(--color-primary); font-size: .75rem; font-weight: 800; letter-spacing: .05em; text-transform: uppercase; }
.operation-card__amount { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; justify-content: space-between; font-size: 1.12rem; }
.operation-allocations { padding-top: 12px; border-top: 1px solid var(--color-border); }
.operation-allocations summary { display: flex; align-items: center; min-height: 44px; font-weight: 750; cursor: pointer; }
.operation-allocations span { display: flex; justify-content: space-between; gap: 12px; margin-top: 10px; color: var(--color-muted); }
.operation-list--embedded { gap: 0; }
.operation-list--embedded .operation-card { border-width: 0 0 1px; border-radius: 0; box-shadow: none; }
.history-columns { display: grid; gap: 18px; margin-top: 20px; }
.money-negative { color: #9d2f2f; }
.button--compact { min-height: 44px; padding: 0 12px; font-size: .82rem; }
.attachment-upload-field input[type="file"] { min-height: 48px; padding: 10px; background: #fff; border: 1px dashed #9fb4ac; border-radius: 12px; }
.attachment-section { display: grid; gap: 12px; padding-top: 14px; border-top: 1px solid var(--color-border); }
.attachment-section__header { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: space-between; }
.attachment-list { display: grid; gap: 10px; }
.attachment-card { display: grid; grid-template-columns: 68px minmax(0, 1fr); gap: 12px; min-width: 0; padding: 10px; background: #f7faf8; border: 1px solid var(--color-border); border-radius: 14px; }
.attachment-card--inactive { opacity: .7; }
.attachment-preview, .attachment-file-icon { display: grid; place-items: center; width: 68px; height: 68px; overflow: hidden; background: #e5efeb; border-radius: 10px; }
.attachment-preview img { width: 100%; height: 100%; object-fit: cover; }
.attachment-file-icon { color: var(--color-primary); font-size: .78rem; font-weight: 850; }
.attachment-card__body { display: grid; gap: 5px; min-width: 0; align-content: center; }
.attachment-card__body strong, .attachment-card__body small { overflow-wrap: anywhere; }
.attachment-card__body small, .attachment-empty { margin: 0; color: var(--color-muted); }
.attachment-card__actions { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 14px; align-items: center; padding-top: 2px; }
.attachment-card__actions a, .link-button { display: inline-flex; align-items: center; min-height: 44px; color: var(--color-primary); font: inherit; font-size: .88rem; font-weight: 750; }
.attachment-card__actions form { margin: 0; }
.link-button { padding: 0; background: none; border: 0; cursor: pointer; text-decoration: underline; }
.link-button--danger { color: #8b3131; }
.operation-card > .attachment-section { grid-column: 1 / -1; }
.inline-links, .report-actions { display: flex; flex-wrap: wrap; gap: 10px 18px; align-items: center; }
.report-actions__controls { display: flex; flex-wrap: wrap; gap: 10px; }
.report-actions__controls .button { width: auto; }
.report-tabs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin: 18px 0 20px; overflow: hidden; background: #e8efec; border: 1px solid var(--color-border); border-radius: 14px; }
.report-tabs a { display: grid; min-width: 0; min-height: 46px; padding: 8px 5px; place-items: center; color: var(--color-muted); font-size: .82rem; font-weight: 800; text-align: center; text-decoration: none; }
.report-tabs a.is-active { color: #fff; background: var(--color-primary); }
.report-money-grid, .student-summary-grid, .count-card-grid { display: grid; gap: 10px; }
.balance-counts { margin-top: 24px; }
.count-card { display: flex; align-items: center; justify-content: space-between; min-height: 72px; padding: 15px 17px; text-decoration: none; background: #fff; border: 1px solid var(--color-border); border-radius: 16px; }
.count-card strong { font-size: 1.55rem; }
.count-card--negative { color: #8b2929; background: #fff0f0; border-color: #efc6c6; }
.report-filter-panel { margin-bottom: 18px; padding: 18px; background: rgb(255 255 255 / 92%); border: 1px solid var(--color-border); border-radius: 18px; }
.report-filter-panel h2 { margin: 0 0 14px; font-size: 1.1rem; }
.report-filter-form { display: grid; gap: 13px; min-width: 0; }
.filter-checkbox { display: flex; gap: 10px; align-items: center; min-height: 48px; font-weight: 750; }
.filter-checkbox input { width: 22px; height: 22px; margin: 0; accent-color: var(--color-primary); }
.report-actions { justify-content: space-between; margin: 18px 0 14px; }
.report-table, .expense-groups { display: grid; gap: 12px; }
.report-table-shell { min-width: 0; }
.expense-toggle { min-height: 48px; }
.expense-detail[hidden] { display: none !important; }
.report-row { display: grid; gap: 10px; min-width: 0; padding: 17px; color: inherit; text-decoration: none; background: #fff; border: 1px solid var(--color-border); border-radius: 17px; box-shadow: var(--shadow-card); }
.report-row > span, .report-row > strong { display: flex; gap: 12px; align-items: baseline; justify-content: space-between; min-width: 0; overflow-wrap: anywhere; }
.report-row > [data-label]::before { flex: none; color: var(--color-muted); font-size: .76rem; font-weight: 700; content: attr(data-label); }
.report-row--negative { background: #fff0f0; border-color: #efc6c6; }
.report-row--header { display: none; }
.expense-group { overflow: hidden; background: rgb(255 255 255 / 92%); border: 1px solid var(--color-border); border-radius: 19px; box-shadow: var(--shadow-card); }
.expense-report-head { display: none; }
.expense-report-row { display: grid; gap: 10px; padding: 17px; border-bottom: 1px solid var(--color-border); }
.expense-report-row:last-child { border-bottom: 0; }
.expense-report-row--cancelled { opacity: .72; background: #f5f6f6; }
.expense-report-row__title { display: grid; gap: 4px; }
.expense-report-row__title small { color: var(--color-muted); }
.expense-report-row > [data-label] { display: flex; gap: 12px; justify-content: space-between; min-width: 0; }
.expense-report-row > [data-label]::before { flex: none; color: var(--color-muted); font-size: .76rem; font-weight: 700; content: attr(data-label); }
.expense-report-row details { margin-top: 8px; }
.expense-report-row summary { color: var(--color-primary); font-weight: 750; cursor: pointer; }
.allocation-line { display: flex; gap: 12px; justify-content: space-between; margin-top: 8px; overflow-wrap: anywhere; }
.cancelled-expenses { margin-top: 28px; }
.cancellation-note { margin: 8px 0 0; overflow-wrap: anywhere; }
.cancellation-note small { color: var(--color-muted); }
.student-history { margin-top: 20px; }
@media (max-width: 420px) {
    .page-content { padding-right: max(14px, env(safe-area-inset-right)); padding-left: max(14px, env(safe-area-inset-left)); }
    .entity-card, .form-card, .toolbar { padding: 16px; }
    .section-heading, .finance-student, .student-row { padding-right: 16px; padding-left: 16px; }
    .breadcrumbs { flex-wrap: wrap; }
    .report-tabs a { font-size: .76rem; overflow-wrap: anywhere; }
    .attachment-card { grid-template-columns: 56px minmax(0, 1fr); }
    .attachment-preview, .attachment-file-icon { width: 56px; height: 56px; }
}
@media (min-width: 768px) {
    .app-shell { padding-bottom: 48px; }
    .topbar { justify-content: space-between; padding: 24px 40px; }
    .topbar__logout-form { display: none; }
    .page-content { padding: 28px 40px 48px; }
    .hero { padding: 56px 0 64px; }
    .feature-grid { grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .bottom-nav { position: absolute; top: calc(env(safe-area-inset-top) + 20px); right: max(40px, calc((100vw - 1180px) / 2 + 40px)); bottom: auto; left: auto; display: flex; gap: 6px; min-height: auto; padding: 0; background: transparent; border: 0; backdrop-filter: none; }
    .bottom-nav__item { flex-direction: row; min-width: auto; min-height: 48px; padding: 0 16px; font-size: .88rem; }
    .bottom-nav__icon { font-size: 1rem; }
    .bottom-nav__logout-form { display: block; }
    .page-header { grid-template-columns: minmax(0, 1fr) auto; margin-top: 26px; }
    .page-header--compact { grid-template-columns: 1fr; }
    .header-actions, .primary-actions, .form-actions, .card-actions { display: flex; flex-wrap: wrap; align-items: center; }
    .button { width: auto; }
    .card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
    .toolbar form { grid-template-columns: auto minmax(220px, 320px); align-items: center; }
    .primary-actions { justify-content: flex-start; }
    .student-row { grid-template-columns: minmax(0, 1fr) auto; align-items: center; }
    .student-row__actions { display: flex; align-items: center; }
    .form-actions { margin-top: 4px; }
    .finance-totals { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .xlsx-panel__body { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .import-summary-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .finance-student { grid-template-columns: minmax(220px, 1.5fr) repeat(3, minmax(110px, 1fr)); align-items: center; }
    .finance-student span { display: grid; gap: 4px; }
    .finance-student b { text-align: left; }
    .participant-row { grid-template-columns: auto minmax(0, 1fr) minmax(110px, 160px); }
    .manual-share { grid-column: 3; }
    .operation-card { grid-template-columns: minmax(0, 1fr) auto; align-items: start; }
    .operation-card__amount { justify-content: flex-end; }
    .operation-card > details, .operation-card > form { grid-column: 1 / -1; }
    .attachment-card { grid-template-columns: 82px minmax(0, 1fr) auto; align-items: center; }
    .attachment-preview, .attachment-file-icon { width: 82px; height: 72px; }
    .attachment-card__actions { grid-column: auto; justify-content: flex-end; }
    .history-columns { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .report-money-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .student-summary-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
    .count-card-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .report-filter-form { grid-template-columns: repeat(3, minmax(150px, 1fr)) auto auto; align-items: end; }
    .report-filter-form--period { grid-template-columns: repeat(2, minmax(180px, 260px)) auto; justify-content: start; }
    .report-row--header, .report-row { grid-template-columns: minmax(210px, 1.55fr) repeat(5, minmax(100px, 1fr)); align-items: center; }
    .report-table-shell.is-expenses-expanded { overflow-x: auto; padding-bottom: 8px; }
    .report-table-shell.is-expenses-expanded .report-table--balances { min-width: var(--expanded-table-width, 960px); }
    .report-table-shell.is-expenses-expanded .report-row--header,
    .report-table-shell.is-expenses-expanded .report-row { grid-template-columns: minmax(210px, 1.55fr) repeat(4, minmax(100px, 1fr)) repeat(var(--expense-column-count), minmax(150px, 1fr)) minmax(100px, 1fr); }
    .report-row--header { display: grid; padding: 10px 17px; color: var(--color-muted); font-size: .78rem; font-weight: 800; background: transparent; border: 0; border-radius: 0; box-shadow: none; }
    .report-row > span, .report-row > strong { display: block; }
    .report-row > [data-label]::before { display: none; }
    .expense-report-head, .expense-report-row { grid-template-columns: minmax(220px, 1.5fr) minmax(100px, .65fr) minmax(90px, .65fr) minmax(90px, .55fr) minmax(200px, 1.2fr); align-items: start; }
    .expense-report-head { display: grid; gap: 12px; padding: 10px 17px; color: var(--color-muted); font-size: .78rem; font-weight: 800; background: #f4f7f5; }
    .expense-report-row > [data-label] { display: block; }
    .expense-report-row > [data-label]::before { display: none; }
}
@media (min-width: 1050px) {
    .card-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}
.progress-track {
    width: 100%;
    height: .65rem;
    overflow: hidden;
    border-radius: 999px;
    background: var(--color-border, #dbe4e1);
}

.progress-track > span {
    display: block;
    height: 100%;
    border-radius: inherit;
    background: var(--color-primary, #1f6f5f);
}