/* AI Summarizer - tool-specific overrides on shared tools.css. */

/* -------------------------------------------------------------------
 * Brand tokens. Warm orange so this tool reads as distinct from
 * SR (indigo) and ATG (teal). Drives the focus rings, mode-toggle
 * pill, preset pills, and the reading-time strip accent.
 * ------------------------------------------------------------------- */
:root {
    --aisum-brand:      #ea580c;
    --aisum-brand-fade: #c2410c;
    --aisum-brand-tint: #ffedd5;
    --aisum-brand-soft: #fff7ed;
}

/* -------------------------------------------------------------------
 * Form card.
 * ------------------------------------------------------------------- */
.tool-form-card#aisum-form-card {
    padding-top: 18px;
    padding-bottom: 14px;
}

.aisum-field-label {
    display: block;
    font-weight: 600;
    color: var(--ink-800);
    margin-bottom: 4px;
    font-size: 0.88rem;
}
.aisum-field-label .aisum-optional {
    font-weight: 400;
    color: var(--ink-500);
    font-size: 0.85em;
    margin-left: 4px;
}

/* Override the shared mode-toggle pill to slide for each of our four
 * modes. The shared .mode-toggle::before is hardcoded for data-mode="bulk"
 * with translateX(100%), so each non-paste mode needs an explicit rule. */
.aisum-mode-toggle { min-width: 0; }
/* All four tabs share the same width because the active pill is
 * sized as calc(25% - 6px) of total toggle width and slides by
 * 100% steps - per-tab width overrides break that math and leak
 * the pill past the adjacent tab edges. Pick a width that
 * comfortably fits the widest label ("YouTube" + Beta badge) and
 * apply it uniformly. */
.aisum-mode-toggle .mode-btn {
    min-width: 150px;
    text-align: center;
    padding-left: 18px;
    padding-right: 18px;
}
.aisum-mode-badge {
    display: inline-block;
    background: var(--aisum-brand-tint);
    color: var(--aisum-brand-fade);
    font-size: 0.62rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 2px 6px;
    border-radius: 4px;
    margin-left: 6px;
    /* Reserve breathing room on the badge's right so it doesn't sit
     * flush against the inner pill edge after the YouTube label
     * centers inside the active pill. */
    margin-right: 4px;
    vertical-align: 1px;
}
.aisum-mode-toggle[data-mode="paste"]::before   { transform: translateX(0); }
.aisum-mode-toggle[data-mode="url"]::before     { transform: translateX(100%); }
.aisum-mode-toggle[data-mode="pdf"]::before     { transform: translateX(200%); }
.aisum-mode-toggle[data-mode="youtube"]::before { transform: translateX(300%); }
.aisum-mode-toggle::before {
    width: calc(25% - 6px) !important;
}

/* Mode panels: show only the active one. The .is-visible utility class
 * defaults the active panel to display:block; others stay hidden via
 * the UA [hidden] rule. */
.aisum-mode-panel { margin-top: 14px; }
.aisum-mode-panel[hidden] { display: none; }
.aisum-mode-panel.is-visible { display: block; }

.aisum-textarea {
    width: 100%;
    box-sizing: border-box;
    flex: 0 0 auto;
    min-height: 180px;
    max-height: 480px;
    resize: vertical;
    font-family: var(--font-body);
    font-size: 0.96rem;
    line-height: 1.55;
}
.aisum-paste-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 4px;
    font-size: 0.78rem;
    color: var(--ink-500);
}
.aisum-word-counter.is-warn   { color: #d97706; font-weight: 600; }
.aisum-word-counter.is-danger { color: #dc2626; font-weight: 600; }

.aisum-mode-hint {
    margin-top: 6px;
    font-size: 0.82rem;
    color: var(--ink-600);
}

/* PDF dropzone */
.aisum-pdf-dropzone {
    margin-top: 6px;
    padding: 14px 16px;
    border: 2px dashed var(--ink-200);
    border-radius: 8px;
    background: var(--ink-50);
    display: flex;
    align-items: center;
    gap: 14px;
    transition: border-color 0.15s ease, background 0.15s ease;
}
.aisum-pdf-dropzone.is-dragover {
    border-color: var(--aisum-brand);
    background: var(--aisum-brand-soft);
}
.aisum-pdf-pick-btn {
    flex: 0 0 auto;
}
.aisum-pdf-file-label {
    flex: 1 1 auto;
    color: var(--ink-700);
    font-size: 0.88rem;
    word-break: break-all;
}
.aisum-pdf-file-label.has-file {
    color: var(--aisum-brand-fade);
    font-weight: 600;
}

/* -------------------------------------------------------------------
 * Options row (focus keyword + language + length preset).
 * ------------------------------------------------------------------- */
.aisum-options {
    margin-top: 14px;
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.8fr) minmax(0, 1.0fr);
    gap: 14px;
}
@media (max-width: 720px) {
    .aisum-options { grid-template-columns: 1fr; }
}

.aisum-option-cell {
    display: flex;
    flex-direction: column;
    min-width: 0;
}
/* Per [[text-input-flex-basis-height]]: shared .text-input has
 * flex: 1 1 320px which becomes 320px-tall inside a flex-column
 * parent. Pin children to natural height + full width. */
.aisum-option-cell > .text-input,
.aisum-mode-panel > .text-input {
    flex: 0 0 auto;
    width: 100%;
    box-sizing: border-box;
}

.aisum-select {
    width: 100%;
    box-sizing: border-box;
    padding: 9px 12px;
    border: 1px solid var(--ink-200);
    border-radius: 6px;
    background: #fff;
    font-family: var(--font-body);
    font-size: 0.92rem;
    color: var(--ink-800);
}
.aisum-select:focus {
    outline: none;
    border-color: var(--aisum-brand);
    box-shadow: 0 0 0 3px var(--aisum-brand-tint);
}

/* Length preset pills */
.aisum-preset-pills {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}
.aisum-preset-pill {
    display: inline-flex;
    align-items: center;
    padding: 7px 12px;
    border: 1px solid var(--ink-200);
    border-radius: 999px;
    background: #fff;
    color: var(--ink-700);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.15s ease;
}
.aisum-preset-pill input { display: none; }
.aisum-preset-pill:hover {
    border-color: var(--aisum-brand);
    background: var(--aisum-brand-soft);
}
.aisum-preset-pill.is-selected {
    background: var(--aisum-brand);
    border-color: var(--aisum-brand);
    color: #fff;
}
.aisum-preset-pill.is-selected:hover {
    background: var(--aisum-brand-fade);
    border-color: var(--aisum-brand-fade);
}

/* Live KE keyword preview card. */
.aisum-kw-preview {
    margin-top: 6px;
    font-size: 0.82rem;
    color: var(--ink-600);
}
.aisum-kw-preview.is-empty { display: none; }
.aisum-kw-preview.is-loading::before {
    content: '';
    display: inline-block;
    width: 10px; height: 10px;
    border-radius: 50%;
    background: var(--aisum-brand);
    margin-right: 6px;
    animation: aisum-pulse 0.9s ease-in-out infinite;
    vertical-align: middle;
}
@keyframes aisum-pulse {
    0%, 100% { opacity: 0.3; }
    50%      { opacity: 1; }
}
.aisum-kw-preview .aisum-kw-volume {
    color: var(--ink-800);
    font-weight: 600;
}
.aisum-kw-preview .aisum-kw-cpc {
    color: var(--ink-700);
    margin-left: 8px;
}
.aisum-kw-preview .aisum-kw-comp {
    color: var(--ink-700);
    margin-left: 8px;
}

/* -------------------------------------------------------------------
 * Submit button row.
 * ------------------------------------------------------------------- */
.aisum-submit-row {
    margin-top: 18px;
    display: flex;
    justify-content: flex-end;
}
.aisum-submit-row .primary-btn {
    background: var(--aisum-brand);
    border-color: var(--aisum-brand);
}
.aisum-submit-row .primary-btn:hover:not(:disabled) {
    background: var(--aisum-brand-fade);
    border-color: var(--aisum-brand-fade);
}

/* -------------------------------------------------------------------
 * Progress region.
 * ------------------------------------------------------------------- */
.aisum-progress-bar-track {
    height: 6px;
    background: var(--ink-100);
    border-radius: 3px;
    overflow: hidden;
}
.aisum-progress-bar-fill {
    height: 100%;
    background: var(--aisum-brand);
    width: 10%;
    border-radius: 3px;
    transition: width 0.35s ease-out;
}
.aisum-whimsy-msg {
    margin-top: 10px;
    color: var(--ink-700);
    font-size: 0.9rem;
    font-style: italic;
}

/* -------------------------------------------------------------------
 * Results region.
 * ------------------------------------------------------------------- */
.results-region#aisum-results { padding-bottom: 8px; }

.aisum-results-body {
    padding: 16px 22px 6px;
}
.aisum-results-body > *:last-child {
    margin-bottom: 18px;
}

/* Reading-time savings strip */
.aisum-time-strip {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    margin-bottom: 14px;
    background: var(--aisum-brand-soft);
    border-left: 4px solid var(--aisum-brand);
    border-radius: 6px;
    font-size: 0.92rem;
    flex-wrap: wrap;
}
.aisum-time-label {
    text-transform: uppercase;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--ink-600);
}
.aisum-time-original { color: var(--ink-700); }
.aisum-time-arrow    { color: var(--aisum-brand); font-weight: 600; }
.aisum-time-summary  { color: var(--aisum-brand-fade); font-weight: 600; }
.aisum-time-pct {
    margin-left: auto;
    background: var(--aisum-brand);
    color: #fff;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 600;
}

/* Source subhead per [[audited-subject-subhead-pattern]] */
.aisum-source-subhead {
    padding: 12px 16px;
    margin-bottom: 18px;
    background: var(--ink-50);
    border-left: 4px solid var(--brand-blue, #2563eb);
    border-radius: 4px;
}
.aisum-source-label {
    display: block;
    text-transform: uppercase;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: var(--ink-500);
    margin-bottom: 4px;
}
.aisum-source-title {
    display: block;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--ink-800);
    margin-bottom: 4px;
    word-break: break-word;
}
.aisum-source-url {
    display: inline-block;
    color: var(--brand-blue, #2563eb);
    font-size: 0.85rem;
    word-break: break-all;
    text-decoration: none;
}
.aisum-source-url:hover { text-decoration: underline; }
.aisum-source-meta {
    margin-top: 6px;
    font-size: 0.82rem;
    color: var(--ink-600);
}

/* 6 format cards */
.aisum-cards-stack {
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.aisum-card {
    border: 1.5px solid var(--aisum-brand);
    border-radius: 12px;
    background: linear-gradient(180deg, var(--aisum-brand-tint, #ffedd5) 0%, #ffffff 100%);
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(234, 88, 12, 0.12);
    transition: border-color 0.12s ease, box-shadow 0.12s ease, transform 0.12s ease;
    animation: aisum-card-appear 0.32s cubic-bezier(0.22, 1, 0.36, 1) both;
}
.aisum-card:hover {
    border-color: var(--aisum-brand);
    box-shadow: 0 6px 18px rgba(234, 88, 12, 0.18);
    transform: translateY(-1px);
}
@keyframes aisum-card-appear {
    0%   { opacity: 0; transform: translateY(8px); }
    100% { opacity: 1; transform: translateY(0); }
}
.aisum-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    background: var(--ink-50);
    border-bottom: 1px solid var(--ink-200);
}
.aisum-card-header-left {
    display: flex;
    align-items: baseline;
    gap: 10px;
    flex-wrap: wrap;
}
.aisum-card-title {
    font-size: 1.0rem;
    font-weight: 600;
    color: var(--ink-800);
    margin: 0;
}
.aisum-card-meta {
    font-size: 0.78rem;
    color: var(--ink-500);
}
.aisum-card-actions {
    display: flex;
    gap: 6px;
}
.aisum-card-action-btn {
    background: transparent;
    border: 1px solid var(--ink-200);
    border-radius: 5px;
    padding: 5px 10px;
    font-size: 0.78rem;
    color: var(--ink-700);
    cursor: pointer;
    transition: all 0.15s ease;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.aisum-card-action-btn:hover {
    background: var(--ink-50);
    border-color: var(--ink-400);
    color: var(--ink-900);
}
.aisum-card-action-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}
.aisum-card-body {
    padding: 14px 18px;
    color: var(--ink-800);
    font-size: 0.94rem;
    line-height: 1.6;
}
.aisum-card.is-loading .aisum-card-body { opacity: 0.5; }
.aisum-card-body p { margin: 0 0 10px; }
.aisum-card-body p:last-child { margin: 0; }
.aisum-card-body ul {
    margin: 0;
    padding-left: 22px;
}
.aisum-card-body ul li {
    margin-bottom: 6px;
}
.aisum-card-body ul li:last-child { margin-bottom: 0; }

/* Tweet card: monospace + char counter */
.aisum-card-tweet .aisum-card-body {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    background: var(--ink-50);
    padding: 12px 16px;
    border-radius: 0;
}
.aisum-tweet-counter {
    color: var(--ink-500);
    font-family: var(--font-body);
}
.aisum-tweet-counter.is-good   { color: #16a34a; }
.aisum-tweet-counter.is-danger { color: #dc2626; }

/* Email card: preserve paragraph breaks via white-space pre-wrap */
.aisum-card-email .aisum-card-body { white-space: pre-wrap; }

/* Section outline */
.aisum-section {
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--ink-100);
}
.aisum-section:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}
.aisum-section-title {
    font-weight: 600;
    color: var(--ink-800);
    margin-bottom: 4px;
}
.aisum-section ul { margin-top: 4px; }
.aisum-no-section-msg {
    color: var(--ink-600);
    font-style: italic;
    font-size: 0.88rem;
}

/* Per-card copy toast feedback */
.aisum-card-action-btn.is-copied {
    background: #16a34a;
    color: #fff;
    border-color: #16a34a;
}

/* Caveat block */
.aisum-caveat {
    margin-top: 18px;
    padding: 12px 16px;
    background: var(--ink-50);
    border-left: 4px solid var(--ink-400);
    border-radius: 4px;
    font-size: 0.88rem;
}
.aisum-caveat summary {
    cursor: pointer;
    color: var(--ink-800);
    font-weight: 600;
    margin-bottom: 6px;
}
.aisum-caveat p {
    margin: 8px 0 0 0;
    color: var(--ink-700);
    line-height: 1.55;
}
.aisum-caveat p:first-of-type { margin-top: 6px; }

/* Hidden-flex fix for the panels + chips with display:flex */
.aisum-mode-panel[hidden] { display: none; }
.aisum-time-strip[hidden] { display: none; }
.aisum-source-subhead[hidden] { display: none; }
.aisum-source-url[hidden] { display: none; }

/* Card grid render targets respect [hidden] too. */
.aisum-card[hidden] { display: none; }