@import url('global.css');

/* ===== local tokens ===== */
.gm-body {
    --redact: color-mix(in srgb, var(--ink) 20%, var(--surface));
    --gutter: 28px;

    /* Aliases so login.css and account.css keep resolving without a rename. */
    --gm-border: var(--rule-2);
    --gm-border-hi: var(--rule);
    --gm-surface: var(--surface);
    --gm-surface-hi: var(--sunken);
    --gm-muted: var(--ink-3);

    padding: 0;
    max-width: 1080px;
    margin: 0 auto;
}

/* hide placeholder text while the input is focused */
.gm-body input:focus::placeholder {
    color: transparent;
}

/* ===== header ===== */
.gm-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--paper);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 16px var(--gutter) 14px;
    flex-wrap: wrap;
    border-bottom: 1px solid var(--rule);
    transition: background-color 0.25s, border-color 0.25s;
}

/* Two-row variant (index.html). The left side spans both rows; the account
   widget sits in row 1 and the display controls in row 2. Other pages have no
   .gm-header-controls and keep the single-row flex. */
.gm-header:has(.gm-header-controls) {
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-areas:
        "left   account"
        "left   controls";
    align-items: center;
    column-gap: 24px;
    row-gap: 12px;
}

.gm-header:has(.gm-header-controls) .gm-header-left {
    grid-area: left;
}

.gm-header:has(.gm-header-controls) .account-widget {
    grid-area: account;
    justify-self: end;
}

.gm-header:has(.gm-header-controls) .gm-header-controls {
    grid-area: controls;
    justify-self: end;
}

.gm-header-left {
    display: flex;
    align-items: baseline;
    gap: 20px;
    flex-wrap: wrap;
}

.gm-header-controls {
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}

.gm-title-block {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    line-height: 1;
    gap: 3px;
}

.gm-title {
    margin: 0;
    font-size: 21px;
    font-weight: 700;
    letter-spacing: -0.035em;
}

.gm-title a,
.gm-title a:hover {
    color: inherit;
    font-size: inherit;
    border-bottom: none;
}

.site-version {
    font-family: var(--font-num);
    font-size: 10px;
    color: var(--ink-3);
    letter-spacing: 0.02em;
    border-bottom: 1px solid transparent;
}

.site-version:hover {
    color: var(--ink);
    border-bottom-color: var(--rule-2);
}

.nav-link {
    font-size: 12px;
    color: var(--ink-3);
    border-bottom: 1px solid transparent;
}

.nav-link:hover {
    color: var(--ink);
    border-bottom-color: var(--rule);
}

/* ===== precision slider ===== */
.precision-control {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    user-select: none;
}

.precision-control input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    background: transparent;
    width: 76px;
    height: 14px;
    margin: 0;
    padding: 0;
    border: none;
    cursor: pointer;
}

.precision-control input[type="range"]::-webkit-slider-runnable-track {
    height: 1px;
    background: var(--rule);
}

.precision-control input[type="range"]::-moz-range-track {
    height: 1px;
    background: var(--rule);
    border: none;
}

.precision-control input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 3px;
    height: 14px;
    background: var(--ink);
    border: none;
    border-radius: 0;
    margin-top: -6.5px;
    cursor: pointer;
}

.precision-control input[type="range"]::-moz-range-thumb {
    width: 3px;
    height: 14px;
    background: var(--ink);
    border: none;
    border-radius: 0;
    cursor: pointer;
}

.precision-control #precision-value {
    font-size: 12px;
    font-weight: 500;
    color: var(--ink);
    min-width: 0.7em;
}

/* ===== privacy switch ===== */
.privacy-switch {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    user-select: none;
}

.privacy-switch input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.switch-track {
    position: relative;
    width: 32px;
    height: 16px;
    background: transparent;
    border: 1px solid var(--rule);
    transition: background-color 0.15s;
}

.switch-thumb {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 10px;
    height: 10px;
    background: var(--ink);
    transition: transform 0.15s, background-color 0.15s;
}

.privacy-switch input:checked+.switch-track {
    background: var(--ink);
}

.privacy-switch input:checked+.switch-track .switch-thumb {
    transform: translateX(16px);
    background: var(--paper);
}

.privacy-switch input:focus-visible+.switch-track {
    outline: 2px solid var(--focus);
    outline-offset: 2px;
}

/* ===== account widget ===== */
.account-widget {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.account-widget input {
    padding: 6px 10px;
    text-align: left;
    width: 150px;
    font-size: 13px;
}

.account-widget button {
    padding: 6px 12px;
    font-size: 12px;
}

.account-widget .user-link,
.account-widget .login-link {
    color: var(--ink-2);
    font-size: 12px;
    border-bottom: 1px solid var(--rule-2);
}

.account-widget .user-link:hover,
.account-widget .login-link:hover {
    color: var(--ink);
    border-bottom-color: var(--rule);
}

.session-timer {
    font-family: var(--font-num);
    font-size: 11px;
    color: var(--ink-2);
    padding: 3px 7px;
    border: 1px solid var(--rule-2);
}

.session-timer-warn {
    color: var(--bad);
    border-color: var(--bad);
}

/* ===== main layout ===== */
.gm-main {
    padding: 28px var(--gutter) 64px;
}

.subjects-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* ===== subject card ===== */
.subject {
    border: 1px solid var(--rule);
    background: var(--surface);
    padding: 22px 24px 24px;
    animation: card-in 0.25s ease-out;
    transition: background-color 0.25s, border-color 0.25s;
}

@keyframes card-in {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.subject-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-bottom: 18px;
    margin-bottom: 4px;
    cursor: pointer;
}

.subject-name-wrap {
    flex: 0 1 340px;
    min-width: 140px;
    position: relative;
}

.subject-name {
    width: 100%;
    cursor: text;
    padding: 2px 0;
    border: none;
    border-bottom: 1px solid transparent;
    background: transparent;
    color: var(--ink);
    font-family: var(--font-ui);
    font-weight: 600;
    font-size: 18px;
    letter-spacing: -0.025em;
    text-align: left;
}

.subject-name:hover {
    border-bottom-color: var(--rule-2);
}

.subject-name:focus {
    border-bottom-color: var(--rule);
}

.subject-name::placeholder {
    color: var(--ink-3);
    font-weight: 500;
}

.subject-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 10;
    margin: 4px 0 0;
    padding: 0;
    list-style: none;
    background: var(--surface);
    border: 1px solid var(--rule);
    max-height: 280px;
    overflow-y: auto;
}

.subject-suggestions li {
    padding: 7px 12px;
    font-size: 13px;
    color: var(--ink);
    cursor: pointer;
}

.subject-suggestions li:hover,
.subject-suggestions li.active {
    background: var(--sunken);
    color: var(--ink);
}

/* The badge states a fact about the course, so it is chrome, not status:
   AP inverts to solid ink, everything else is a hairline outline. */
.subject-type-badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 7px;
    font-size: 9px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    border: 1px solid var(--rule-2);
    color: var(--ink-3);
    user-select: none;
    white-space: nowrap;
    margin-left: auto;
}

.subject-type-badge:empty {
    display: none;
}

.subject-type-badge[data-type="ap"] {
    background: var(--sunken);
    border-color: var(--rule);
    color: var(--ink);
}

.subject-type-badge[data-type="core"] {
    border-color: var(--rule);
    color: var(--ink);
}

.collapse-toggle,
.del-subject {
    width: 26px;
    height: 26px;
    padding: 0;
    border-color: transparent;
    background: transparent;
    color: var(--ink-3);
    flex: none;
}

.collapse-toggle:hover {
    background: transparent;
    border-color: var(--rule);
    color: var(--ink);
}

.del-subject {
    font-size: 17px;
    line-height: 1;
}

.del-subject:hover {
    background: transparent;
    border-color: var(--bad);
    color: var(--bad);
}

.subject.collapsed .collapse-toggle {
    transform: rotate(-90deg);
}

/* Grade summary shown only when the card is collapsed. */
.collapsed-grade {
    display: none;
    font-size: 13px;
    font-weight: 500;
    color: var(--ink);
}

.collapsed-grade.empty {
    color: var(--ink-3);
}

.subject.collapsed .collapsed-grade {
    display: inline-block;
}

.subject.collapsed>.semester-tabs,
.subject.collapsed>.score-tables,
.subject.collapsed>.subject-footer,
.subject.collapsed>.target-row {
    display: none;
}

.subject.collapsed>.subject-header {
    padding-bottom: 0;
    margin-bottom: 0;
}

/* ===== semester tabs ===== */
.semester-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 22px;
    width: fit-content;
    border: 1px solid var(--rule);
}

.sem-tab {
    padding: 5px 14px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border: none;
    border-right: 1px solid var(--rule);
    background: transparent;
    color: var(--ink-3);
}

.sem-tab:last-child {
    border-right: none;
}

.sem-tab:hover {
    background: transparent;
    color: var(--ink);
}

.sem-tab.active {
    background: var(--sunken);
    color: var(--ink);
    /* A quiet fill alone is too close to the inactive segment now that the
       palette is softer, so the active tab is underlined as well. */
    box-shadow: inset 0 -2px 0 var(--ink-2);
}

/* ===== score table =====
   The grid lines are the design: inputs are invisible until touched, so the
   table reads as a ledger rather than a stack of form fields. */
.score-table {
    width: 100%;
    margin: 0;
    border-collapse: collapse;
    table-layout: fixed;
}

.score-table th,
.score-table td {
    border: none;
    padding: 0;
}

/* The two categories are independent lists — twenty formatives against four
   summatives is normal — so each gets its own table and its own row count
   rather than being paired off and padded. */
.score-tables {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 32px;
    align-items: start;
}

/* Column widths live on the colgroup so the two header rows and the body
   cannot drift apart. */
.c-idx { width: 28px; }
.c-val { width: 112px; }
.c-tie { width: 116px; }
.c-act { width: 26px; }

/* The formative score column also carries the "counts as" readout, so it is
   widened by exactly that slot — leaving both tables the same field width. */
.score-table[data-cat="formative"] .c-val { width: 192px; }

.score-table[data-cat="formative"] .score-cell {
    padding-right: 12px;
}

.col-group .col-cat {
    padding-left: 0;
    padding-bottom: 16px;
}

.score-table thead th {
    padding: 0 0 6px 10px;
    border: none;
    vertical-align: bottom;
    text-align: left;
}

.score-table thead .col-sub th {
    padding-bottom: 12px;
    border-bottom: 1px solid var(--rule);
    font-size: 9px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--ink-3);
}

.col-idx {
    text-align: center;
    padding-left: 0 !important;
    padding-right: 0 !important;
}

.col-name {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--ink);
}

.col-weight {
    font-size: 10px;
    color: var(--ink-3);
    margin-left: 6px;
}

.cat-avg .spark {
    display: inline-block;
    margin-left: 12px;
    vertical-align: -2px;
    color: var(--ink-3);
}

.score-row th,
.score-row td {
    border-bottom: 1px solid var(--rule-2);
}

/* Vertical rule between the two categories — with only two columns on a wide
   card, the eye needs the gutter marked to track a row across. */


.score-row .col-idx {
    font-family: var(--font-num);
    font-size: 11px;
    font-weight: 400;
    color: var(--ink-3);
    text-align: center;
}

.label-cell,
.score-cell,
.tie-cell {
    padding: 0;
    height: 1px;
    /* the height:1px trick makes percentage heights resolve against the row */
}

.label-cell input,
.score-cell .cell-inner,
.tie-cell .tie-select {
    height: 100%;
    box-sizing: border-box;
}

.score-label {
    width: 100%;
    padding: 9px 10px;
    border: 1px solid transparent;
    background: transparent;
    color: var(--ink-2);
    font-size: 13px;
    text-align: left;
}

.score-label::placeholder {
    color: var(--ink-3);
}

.score-label:hover {
    border-color: var(--rule-2);
}

.score-label:focus {
    border-color: var(--rule);
    background: var(--surface);
    color: var(--ink);
}

.score-label:focus-visible {
    outline-offset: -2px;
}

.cell-inner {
    display: flex;
    align-items: center;
    gap: 6px;
}

.score-cell .cell-inner input {
    flex: 1 1 auto;
    min-width: 0;
}


/* What the tie policy counts, written beside what was entered. The slot is a
   fixed width whether or not it holds anything: otherwise the score field next
   to it is wider on unraised rows, and in privacy mode the width of the
   redaction block would give away which rows the policy moved. */
.tie-effect {
    flex: 0 0 58px;
    text-align: right;
    font-size: 12px;
    font-weight: 500;
    color: var(--ink);
    white-space: nowrap;
}

.tie-effect:empty {
    visibility: hidden;
}

/* The tie is a plain select in its own column: no overlay, no armed mode, and
   the browser supplies the keyboard handling and the touch picker. */
.tie-select {
    width: 100%;
    padding: 8px 6px;
    border: 1px solid transparent;
    border-radius: var(--gm-radius);
    background: transparent;
    color: var(--ink-3);
    font-family: var(--font-ui);
    font-size: 12px;
    cursor: pointer;
    transition: border-color 0.15s, color 0.15s;
}

.tie-select:hover {
    border-color: var(--rule-2);
    color: var(--ink);
}

.tie-select:focus {
    border-color: var(--rule);
    color: var(--ink);
}

.tie-select:focus-visible {
    outline-offset: -2px;
}

.tie-select.tied {
    color: var(--ink-2);
}

.avg-raw {
    margin-left: 10px;
    font-size: 11px;
    color: var(--ink-3);
}

.score-cell {
    position: relative;
}

.score-cell input {
    width: 100%;
    padding: 9px 10px;
    border: 1px solid transparent;
    background: transparent;
    color: var(--ink);
    font-size: 14px;
    text-align: left;
}

.score-cell input::placeholder {
    color: var(--ink-3);
}

.score-cell input:hover {
    border-color: var(--rule-2);
}

.score-cell input:focus {
    border-color: var(--rule);
    background: var(--surface);
}

/* The field fills its cell, so the default 2px-offset keyboard ring would
   overhang into the next column. Drawing it inside keeps it fully visible
   without crossing the grid line. */
.score-cell input:focus-visible {
    outline-offset: -2px;
}

.remove-row {
    width: 22px;
    height: 22px;
    padding: 0;
    font-size: 14px;
    line-height: 1;
    border-color: transparent;
    color: var(--ink-3);
    opacity: 0;
    transition: opacity 0.12s, color 0.15s, border-color 0.15s;
}

.score-row:hover .remove-row,
.score-row:focus-within .remove-row {
    opacity: 1;
}

.remove-row:hover {
    background: transparent;
    border-color: var(--bad);
    color: var(--bad);
}

.remove-row:focus-visible {
    opacity: 1;
}

.row-add td {
    padding: 10px 0 4px;
}

.add-row {
    padding: 4px 8px;
    margin-left: -8px;
    font-size: 12px;
    border-color: transparent;
    color: var(--ink-3);
}

.add-row:hover {
    background: transparent;
    border-color: var(--rule);
    color: var(--ink);
}

.row-avg th,
.row-avg td {
    border-top: 1px solid var(--rule);
    padding-top: 14px;
}

.row-avg .col-idx {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--ink-3);
    text-align: center;
}

.col-avg {
    padding-left: 10px !important;
}

.cat-avg {
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
}

.cat-avg.empty {
    color: var(--ink-3);
}

/* ===== footer (finals + grade) ===== */
.subject-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-top: 22px;
    padding-top: 18px;
    border-top: 1px solid var(--rule-2);
    flex-wrap: wrap;
}

.finals-block {
    display: flex;
    align-items: center;
    gap: 10px;
}

.finals-block.hidden {
    display: none !important;
}

.finals-input {
    width: 76px;
    padding: 6px 9px;
    text-align: left;
}

.finals-note {
    font-size: 11px;
    color: var(--ink-3);
}

.subject-footer.no-finals {
    justify-content: flex-end;
}

.final-grade-block {
    display: flex;
    align-items: center;
    gap: 12px;
}

.final-grade {
    font-size: 28px;
    font-weight: 500;
    color: var(--ink);
    line-height: 1;
}

.final-grade.empty {
    color: var(--ink-3);
}

/* The letter is a reading of the number beside it, not a badge — no box, no
   colour. Colour in this interface is left to the chart's cutoff rail. */
.letter-grade {
    font-size: 16px;
    font-weight: 500;
    color: var(--ink-2);
    white-space: nowrap;
}

.letter-grade:empty {
    display: none;
}

/* ===== target row ===== */
.target-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px solid var(--rule-2);
    flex-wrap: wrap;
}

.target-input {
    width: 104px;
    padding: 6px 9px;
    text-align: left;
    text-transform: uppercase;
}

.target-input::placeholder {
    text-transform: none;
}

.target-for {
    font-size: 12px;
    color: var(--ink-3);
}

.target-cat {
    padding: 6px 9px;
    border: 1px solid var(--rule-2);
    border-radius: var(--gm-radius);
    background: var(--surface);
    color: var(--ink);
    font-family: var(--font-ui);
    font-size: 13px;
    cursor: pointer;
}

.target-cat:hover {
    border-color: var(--rule);
}

/* Which formatives the not-yet-taken summative would carry. A <details> gives
   the open/close and the keyboard handling for free. */
.target-ties {
    position: relative;
    font-size: 12px;
}

.target-ties>summary {
    list-style: none;
    cursor: pointer;
    padding: 6px 10px;
    border: 1px solid var(--rule-2);
    color: var(--ink-2);
    font-size: 12px;
    font-weight: 400;
    line-height: 1.2;
    user-select: none;
    white-space: nowrap;
}

.target-ties>summary::-webkit-details-marker {
    display: none;
}

.target-ties>summary:hover {
    border-color: var(--rule);
    color: var(--ink);
}

.target-ties[open]>summary {
    border-color: var(--rule);
    color: var(--ink);
}

.target-ties-list {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    z-index: 20;
    min-width: 220px;
    max-height: 260px;
    overflow-y: auto;
    margin: 0;
    padding: 6px 0;
    list-style: none;
    background: var(--surface);
    border: 1px solid var(--rule);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
}

.target-ties-list li {
    margin: 0;
    font-size: 13px;
}

.target-ties-list label {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    cursor: pointer;
    color: var(--ink);
}

.target-ties-list label:hover {
    background: var(--sunken);
}

.target-ties-list input {
    width: auto;
    margin: 0;
    padding: 0;
    accent-color: var(--ink);
    cursor: pointer;
}

.target-ties-name {
    flex: 1 1 auto;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.target-ties-empty {
    padding: 8px 12px;
    color: var(--ink-3);
    font-size: 12px;
}

.target-result {
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
    margin-left: auto;
}

.target-result.empty {
    color: var(--ink-3);
}

.target-result.warn {
    color: var(--bad);
}

/* ===== controls ===== */
.gm-controls {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 20px 0 48px;
}

.add-subject {
    padding: 9px 16px;
    font-weight: 500;
}

.status {
    font-size: 12px;
    color: var(--ink-3);
}

.status.saving {
    color: var(--ink);
}

.status.error {
    color: var(--bad);
}

/* ===== summary ===== */
.gm-summary,
.gm-stats {
    margin-bottom: 48px;
}

.summary-head,
.stats-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 14px;
    flex-wrap: wrap;
}

.summary-title,
.stats-title {
    margin: 0;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--ink);
}

.stats-note {
    margin: 0;
    font-size: 11px;
    color: var(--ink-3);
}

.summary-toggle {
    padding: 4px 10px;
    font-size: 11px;
    border-color: var(--rule-2);
    color: var(--ink-3);
    gap: 6px;
}

.summary-toggle:hover {
    background: transparent;
    border-color: var(--rule);
    color: var(--ink);
}

.summary-toggle-chevron {
    transition: transform 0.2s;
}

.summary-toggle[aria-expanded="true"] .summary-toggle-chevron {
    transform: rotate(180deg);
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid var(--rule);
    border-left: 1px solid var(--rule-2);
}

.summary-grid.summary-collapsed .semester-card {
    display: none;
}

.summary-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding: 20px 20px;
    border-right: 1px solid var(--rule-2);
    border-bottom: 1px solid var(--rule-2);
}

.summary-card .value {
    font-size: 26px;
    font-weight: 500;
    line-height: 1;
    color: var(--ink);
}

.summary-card .value.empty {
    color: var(--ink-3);
}

/* ===== by-subject chart =====
   The rail is the signature: a 50–100 scale with a tick at every letter
   floor, so the bar's position answers "what letter is this, and how far to
   the next one?" without a colour legend. */
.subject-chart {
    border-top: 1px solid var(--rule);
}

.chart-row {
    display: grid;
    grid-template-columns: minmax(0, 180px) 1fr 54px 38px;
    align-items: center;
    gap: 14px;
    padding: 9px 0;
    border-bottom: 1px solid var(--rule-2);
}

.chart-axis {
    padding-top: 18px;
    padding-bottom: 2px;
    border-bottom-color: var(--rule-2);
}

.chart-name {
    font-size: 13px;
    color: var(--ink);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.chart-val {
    font-size: 13px;
    font-weight: 500;
    text-align: right;
    color: var(--ink);
}

.chart-row .letter-grade {
    justify-self: start;
    font-size: 12px;
}

.chart-empty {
    padding: 20px 0;
    font-size: 13px;
    color: var(--ink-3);
}

.rail {
    position: relative;
    height: 16px;
    min-width: 0;
}

.rail-track {
    position: absolute;
    top: 7px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--rule);
}

.rail-fill {
    position: absolute;
    top: 7px;
    left: 0;
    height: 2px;
    background: var(--ink);
}

.rail-cap {
    position: absolute;
    top: 2px;
    width: 2px;
    height: 12px;
    margin-left: -1px;
    background: var(--ink);
}

.rail-cap[data-status="ok"] {
    background: var(--ok);
}

.rail-cap[data-status="warn"] {
    background: var(--warn);
}

.rail-cap[data-status="bad"] {
    background: var(--bad);
}

.rail-tick {
    position: absolute;
    top: 4px;
    width: 1px;
    height: 8px;
    background: var(--rule-2);
}

.rail-tick-label {
    position: absolute;
    bottom: 11px;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-num);
    font-size: 9px;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: var(--ink-3);
}

.spark {
    display: block;
    overflow: visible;
}

/* ===== loading skeleton ===== */
@keyframes skeleton-pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.35;
    }
}

.subject.loading .score-cell input,
.subject.loading .finals-input,
.subject.loading .target-input,
.subject.loading .subject-name,
.subject.loading .cat-avg,
.subject.loading .final-grade,
.subject.loading .subject-type-badge {
    background-color: var(--sunken) !important;
    border-color: transparent !important;
    color: transparent !important;
    animation: skeleton-pulse 1.2s ease-in-out infinite;
    pointer-events: none;
}

.subject.loading input::placeholder {
    color: transparent !important;
}

.subject.loading .add-row,
.subject.loading .del-subject,
.subject.loading .remove-row,
.subject.loading .letter-grade {
    visibility: hidden;
}

@keyframes field-fade-in {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.subject.fade-fields .subject-name,
.subject.fade-fields .subject-type-badge,
.subject.fade-fields .score-cell input,
.subject.fade-fields .finals-input,
.subject.fade-fields .target-input,
.subject.fade-fields .cat-avg,
.subject.fade-fields .final-grade,
.subject.fade-fields .letter-grade {
    animation: field-fade-in 0.3s ease-out;
}

/* ===== privacy mode =====
   Values are covered with a solid block; hovering the row reveals them.
   Inputs stay typeable throughout. */
.cat-avg,
.final-grade,
.target-result,
.collapsed-grade,
.chart-val,
.summary-card .value {
    transition: background-color 0.25s, color 0.25s;
}

.privacy-on .score-cell input,
.privacy-on .finals-input,
.privacy-on .target-input {
    color: transparent !important;
    background-color: var(--redact) !important;
    border-color: var(--redact) !important;
    caret-color: var(--ink);
}

.privacy-on .score-cell input::placeholder,
.privacy-on .finals-input::placeholder,
.privacy-on .target-input::placeholder {
    color: transparent !important;
}

.privacy-on .cat-avg,
.privacy-on .final-grade,
.privacy-on .target-result,
.privacy-on .collapsed-grade,
.privacy-on .chart-val,
.privacy-on .summary-card .value {
    color: transparent !important;
    background-color: var(--redact);
}

/* Blank values carry no secret, so leave the placeholder dash readable. */
.privacy-on .cat-avg.empty,
.privacy-on .final-grade.empty,
.privacy-on .target-result.empty,
.privacy-on .collapsed-grade.empty,
.privacy-on .summary-card .value.empty {
    background: transparent;
    color: var(--ink-3) !important;
}

/* Redacting these would still show which rows the tie policy raised, and that
   comparison is itself a grade. They are hidden outright so every row looks
   the same — the reserved space keeps the columns from shifting. */
.privacy-on .tie-effect,
.privacy-on .avg-raw {
    visibility: hidden;
}

/* A trend line leaks the same information as the scores that drew it. */
.privacy-on .cat-avg .spark,
.privacy-on .rail-fill,
.privacy-on .rail-cap,
.privacy-on .letter-grade {
    visibility: hidden;
}

.privacy-on .score-cell input:hover,
.privacy-on .score-cell input:focus,
.privacy-on .finals-block:hover .finals-input,
.privacy-on .finals-input:focus,
.privacy-on .target-input:hover,
.privacy-on .target-input:focus {
    color: var(--ink) !important;
    background-color: var(--surface) !important;
    border-color: var(--rule) !important;
}

.privacy-on .score-cell input:hover:not(:focus)::placeholder,
.privacy-on .finals-block:hover .finals-input:not(:focus)::placeholder,
.privacy-on .target-input:hover:not(:focus)::placeholder {
    color: var(--ink-3) !important;
}

.privacy-on .row-avg:hover .cat-avg,
.privacy-on .final-grade-block:hover .final-grade,
.privacy-on .target-row:hover .target-result,
.privacy-on .subject-header:hover .collapsed-grade,
.privacy-on .summary-card:hover .value,
.privacy-on .chart-row:hover .chart-val {
    color: var(--ink) !important;
    background-color: transparent;
}

.privacy-on .chart-row:hover .rail-fill,
.privacy-on .chart-row:hover .rail-cap,
.privacy-on .chart-row:hover .letter-grade,
.privacy-on .final-grade-block:hover .letter-grade,
.privacy-on .row-avg:hover .spark,
.privacy-on .score-row:hover .tie-effect,
.privacy-on .row-avg:hover .avg-raw {
    visibility: visible;
}

/* ===== watermark ===== */
#watermark {
    position: static;
    text-align: center;
    margin: 48px 0 24px;
    color: var(--ink-3);
}

/* ===== responsive ===== */
@media (max-width: 720px) {
    .gm-body {
        --gutter: 18px;
    }

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

    .chart-row {
        grid-template-columns: minmax(0, 1fr) 48px 36px;
        gap: 10px;
    }

    /* The rail needs room to be readable, so it drops to its own line. */
    .chart-row .rail {
        grid-column: 1 / -1;
        order: 2;
    }

    .chart-axis {
        display: none;
    }

    .subject-footer {
        align-items: flex-start;
    }
}

/* On a narrow screen the name needs the full width, so the badge and the card
   controls drop to their own line rather than squeezing the title. */
@media (max-width: 560px) {
    .subject-header {
        flex-wrap: wrap;
        row-gap: 10px;
    }

    .subject-name-wrap {
        flex: 1 0 100%;
        max-width: none;
    }
}

/* Phones get the two tables stacked, and each row folded so the name, the
   score and the tie sit on their own lines. */
@media (max-width: 720px) {
    .score-tables {
        grid-template-columns: 1fr;
        gap: 26px;
    }
}

@media (max-width: 620px) {

    .score-table,
    .score-table>thead,
    .score-table>tbody,
    .score-table>tfoot {
        display: block;
    }

    .score-table colgroup,
    .score-table thead .col-sub {
        display: none;
    }

    .col-group,
    .row-avg {
        display: grid;
        grid-template-columns: 22px minmax(0, 1fr) 26px;
        column-gap: 8px;
        align-items: center;
    }

    .col-group th {
        grid-column: 1 / -1;
        padding-left: 0;
        padding-bottom: 8px;
        border-bottom: 1px solid var(--rule);
    }

    .score-row {
        display: grid;
        grid-template-columns: 22px minmax(0, 1fr) 26px;
        column-gap: 8px;
        row-gap: 4px;
        padding: 8px 0;
        border-bottom: 1px solid var(--rule-2);
    }

    .score-row>*:nth-child(1) {
        grid-column: 1;
        grid-row: 1;
    }

    .score-row>*:nth-child(2) {
        grid-column: 2;
        grid-row: 1;
    }

    .score-row>*:nth-child(3) {
        grid-column: 2;
        grid-row: 2;
    }

    /* the formative row carries a tie control on a third line */
    .score-table[data-cat="formative"] .score-row>*:nth-child(4) {
        grid-column: 2;
        grid-row: 3;
    }

    .score-table[data-cat="formative"] .score-row>*:nth-child(5),
    .score-table[data-cat="summative"] .score-row>*:nth-child(4) {
        grid-column: 3;
        grid-row: 1;
    }

    .score-row th,
    .score-row td {
        border: none;
        height: auto;
    }

    .row-avg th,
    .row-avg td {
        padding-top: 10px;
    }

    .col-avg {
        padding-left: 0 !important;
    }

    .score-label,
    .score-cell input {
        padding: 7px 8px;
        font-size: 13px;
    }

    .tie-select {
        padding: 6px 4px;
    }

    .row-add td {
        display: block;
    }
}

@media (max-width: 480px) {
    .account-widget input {
        width: 120px;
    }
}