:root {
    --bg: #f2f5f9;
    --bg-accent: radial-gradient(circle at 20% 0%, #d7f8f2 0%, transparent 45%), radial-gradient(circle at 100% 20%, #dce7ff 0%, transparent 42%), #f2f5f9;
    --surface: #ffffff;
    --surface-soft: #f8fafc;
    --surface-muted: #eef3f9;
    --text: #0f172a;
    --text-muted: #475569;
    --text-soft: #64748b;
    --border: #d8e1eb;
    --primary: #0f766e;
    --primary-strong: #115e59;
    --primary-soft: #ccfbf1;
    --danger: #dc2626;
    --warn: #d97706;
    --info: #2563eb;
    --ok: #059669;
    --shadow-sm: 0 4px 12px rgba(15, 23, 42, 0.08);
    --shadow-md: 0 16px 32px rgba(15, 23, 42, 0.1);
    --shadow-lg: 0 26px 48px rgba(15, 23, 42, 0.16);
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
}

:root[data-theme="dark"] {
    --bg: #070d18;
    --bg-accent: radial-gradient(circle at 20% 0%, #0d3d39 0%, transparent 45%), radial-gradient(circle at 100% 20%, #1b2742 0%, transparent 42%), #070d18;
    --surface: #0f172a;
    --surface-soft: #111c33;
    --surface-muted: #15233f;
    --text: #e2e8f0;
    --text-muted: #cbd5e1;
    --text-soft: #94a3b8;
    --border: #2a3b5f;
    --primary: #2dd4bf;
    --primary-strong: #14b8a6;
    --primary-soft: rgba(45, 212, 191, 0.16);
    --danger: #f87171;
    --warn: #f59e0b;
    --info: #60a5fa;
    --ok: #34d399;
    --shadow-sm: 0 10px 24px rgba(0, 0, 0, 0.34);
    --shadow-md: 0 20px 42px rgba(0, 0, 0, 0.38);
    --shadow-lg: 0 32px 60px rgba(0, 0, 0, 0.5);
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
}

body {
    min-height: 100vh;
    background: var(--bg-accent);
    color: var(--text);
    font-family: "Manrope", "Segoe UI", sans-serif;
    line-height: 1.5;
    padding: 18px;
}

.container {
    width: min(1280px, 100%);
    margin: 0 auto;
}

.app-header {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 16px;
    margin-bottom: 18px;
    padding: 6px 6px 2px;
    border-bottom: 2px solid color-mix(in srgb, var(--primary) 52%, transparent);
}

h1 {
    margin: 0;
    font-family: "Space Grotesk", sans-serif;
    font-size: clamp(1.65rem, 3vw, 2.35rem);
    line-height: 1.05;
    letter-spacing: -0.02em;
}

.app-header p {
    margin: 6px 0 2px;
    color: var(--text-soft);
    font-size: 0.95rem;
}

.header-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

.metrics-summary {
    display: grid;
    grid-template-columns: repeat(4, minmax(130px, 1fr));
    gap: 12px;
    margin: 12px 0 16px;
}

.metric-pill {
    background: linear-gradient(155deg, color-mix(in srgb, var(--surface) 88%, var(--primary-soft) 12%), var(--surface));
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 12px 14px;
    box-shadow: var(--shadow-sm);
    min-height: 92px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.metric-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
}

.metric-label {
    font-size: 0.73rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-soft);
}

.metric-value {
    font-size: clamp(1.15rem, 2.4vw, 1.5rem);
    font-weight: 800;
    color: var(--text);
}

.metric-hint {
    font-size: 0.76rem;
    color: var(--text-soft);
    line-height: 1.35;
}

.info-badge,
.mini-kpi,
.tooltip-anchor,
.srs-btn {
    position: relative;
}

.info-badge {
    width: 30px;
    height: 24px;
    border-radius: 999px;
    border: 1px solid color-mix(in srgb, var(--primary) 48%, transparent);
    background: color-mix(in srgb, var(--primary-soft) 75%, var(--surface));
    color: var(--primary-strong);
    font-size: 0.62rem;
    font-weight: 800;
    cursor: help;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 8px;
}

.info-badge:hover,
.info-badge:focus-visible {
    background: color-mix(in srgb, var(--primary-soft) 55%, var(--surface));
    border-color: var(--primary);
}

.info-badge[data-tooltip]::after,
.mini-kpi[data-tooltip]::after,
.tooltip-anchor[data-tooltip]::after,
.srs-btn[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    left: 50%;
    bottom: calc(100% + 10px);
    transform: translateX(-50%) scale(0.96);
    min-width: 210px;
    max-width: 280px;
    padding: 8px 10px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: color-mix(in srgb, var(--surface) 86%, var(--bg) 14%);
    color: var(--text);
    box-shadow: var(--shadow-md);
    font-size: 0.73rem;
    font-weight: 600;
    line-height: 1.32;
    text-align: left;
    opacity: 0;
    pointer-events: none;
    z-index: 100;
    transition: opacity 0.18s ease, transform 0.18s ease;
}

.info-badge[data-tooltip]:hover::after,
.info-badge[data-tooltip]:focus-visible::after,
.mini-kpi[data-tooltip]:hover::after,
.mini-kpi[data-tooltip]:focus-visible::after,
.tooltip-anchor[data-tooltip]:hover::after,
.tooltip-anchor[data-tooltip]:focus-visible::after,
.srs-btn[data-tooltip]:hover::after,
.srs-btn[data-tooltip]:focus-visible::after {
    opacity: 1;
    transform: translateX(-50%) scale(1);
}

.srs-btn[data-tooltip]::after {
    min-width: 190px;
    max-width: 240px;
    font-size: 0.7rem;
}

.grade-guide-global,
.insights-accordion {
    margin: 12px 0 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: linear-gradient(145deg, color-mix(in srgb, var(--surface) 92%, var(--primary-soft) 8%), var(--surface));
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.grade-guide-global summary,
.insights-accordion summary {
    list-style: none;
    cursor: pointer;
    padding: 12px 14px;
    font-family: "Space Grotesk", sans-serif;
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
}

.grade-guide-global summary::-webkit-details-marker,
.insights-accordion summary::-webkit-details-marker {
    display: none;
}

.grade-guide-global summary::after,
.insights-accordion summary::after {
    content: "+";
    float: right;
    font-weight: 700;
    color: var(--text-soft);
}

.grade-guide-global[open] summary::after,
.insights-accordion[open] summary::after {
    content: "−";
}

.grade-guide-global[open] summary,
.insights-accordion[open] summary {
    border-bottom: 1px solid var(--border);
}

.grade-guide-grid {
    padding: 12px 14px 8px;
    display: grid;
    grid-template-columns: repeat(2, minmax(200px, 1fr));
    gap: 10px;
}

.study-mode-note {
    padding: 12px 14px 0;
}

.study-mode-note p {
    margin: 0 0 6px;
    font-size: 0.83rem;
    color: var(--text-muted);
    line-height: 1.4;
}

.study-mode-rubric {
    padding: 0 14px 6px;
}

.study-mode-rubric-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(220px, 1fr));
    gap: 10px;
}

.study-mode-rubric-grid article {
    border: 1px solid var(--border);
    border-radius: 12px;
    background: color-mix(in srgb, var(--surface-soft) 90%, var(--surface));
    padding: 10px 11px;
}

.study-mode-rubric-grid h4 {
    margin: 0 0 6px;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-soft);
}

.study-mode-rubric-grid p {
    margin: 0;
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.42;
}

.study-mode-rubric-grid ul {
    margin: 0;
    padding-left: 18px;
    font-size: 0.79rem;
    color: var(--text-muted);
    line-height: 1.42;
}

.study-mode-rubric-grid li {
    margin-bottom: 5px;
}

.study-mode-rubric-grid li:last-child {
    margin-bottom: 0;
}

.grade-guide-grid article {
    border: 1px solid var(--border);
    border-radius: 12px;
    background: color-mix(in srgb, var(--surface-soft) 90%, var(--surface));
    padding: 10px 11px;
}

.grade-guide-grid h4 {
    margin: 0 0 6px;
    font-size: 0.84rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-soft);
}

.grade-guide-grid p {
    margin: 0;
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.4;
}

.grade-guide-note {
    margin: 0;
    padding: 0 14px 12px;
    font-size: 0.82rem;
    color: var(--text-soft);
}

.insights-panel {
    margin: 0;
    background: linear-gradient(145deg, color-mix(in srgb, var(--surface) 88%, var(--primary-soft) 12%), var(--surface));
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 14px;
}

.insights-accordion .insights-panel {
    border: 0;
    border-radius: 0;
    box-shadow: none;
    background: transparent;
}

.insights-header h2 {
    margin: 0 0 2px;
    font-family: "Space Grotesk", sans-serif;
    font-size: 1.08rem;
}

.insights-header p {
    margin: 0;
    color: var(--text-soft);
    font-size: 0.84rem;
}

.insights-grid {
    margin-top: 12px;
    display: grid;
    grid-template-columns: repeat(2, minmax(220px, 1fr));
    gap: 10px;
}

.insight-item {
    border: 1px solid var(--border);
    border-radius: 14px;
    background: color-mix(in srgb, var(--surface-soft) 88%, var(--surface));
    padding: 11px 12px;
    min-height: 122px;
}

.insight-item h3 {
    margin: 0 0 7px;
    font-size: 0.84rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--text-soft);
}

.insight-item p {
    margin: 0 0 7px;
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.4;
}

.insight-item p:last-child {
    margin-bottom: 0;
}

.insight-item code {
    font-family: "Space Grotesk", "Consolas", monospace;
    font-size: 0.78rem;
    background: var(--surface-muted);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1px 5px;
}

.toggle-container {
    margin-bottom: 10px;
    display: flex;
    justify-content: flex-end;
}

.config-panel {
    margin-bottom: 14px;
}

.settings-bar {
    background: linear-gradient(145deg, color-mix(in srgb, var(--surface) 88%, var(--primary-soft) 12%), var(--surface));
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 16px;
    display: grid;
    grid-template-columns: repeat(2, minmax(220px, 1fr));
    gap: 14px;
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-field label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--text-muted);
}

.field-inline {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

#examCountdown {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--warn);
}

.controls-grid {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(7, minmax(120px, 1fr));
    gap: 10px;
}

.sync-row {
    grid-column: 1 / -1;
    min-height: 24px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    font-size: 0.84rem;
    color: var(--text-soft);
}

.reta-final-note {
    grid-column: 1 / -1;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: color-mix(in srgb, var(--surface-soft) 86%, var(--surface));
    padding: 10px 12px;
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.45;
}

input[type="date"],
input[type="number"],
select {
    height: 44px;
    min-width: 0;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--surface-soft);
    color: var(--text);
    padding: 0 12px;
    font-size: 0.95rem;
    font-weight: 600;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input:focus,
select:focus {
    border-color: color-mix(in srgb, var(--primary) 55%, var(--border));
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary-soft) 80%, transparent);
}

.btn,
.btn-small,
.tab-btn,
.cal-btn {
    border: 1px solid transparent;
    border-radius: 12px;
    font-family: "Manrope", sans-serif;
    font-weight: 700;
    font-size: 0.93rem;
    line-height: 1;
    height: 44px;
    padding: 0 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease, border-color 0.2s ease;
    text-decoration: none;
}

.btn:hover,
.btn-small:hover,
.tab-btn:hover,
.cal-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn {
    background: linear-gradient(140deg, var(--primary), var(--primary-strong));
    color: #f8fafc;
}

.btn-secondary {
    background: var(--surface-muted);
    color: var(--text);
    border-color: var(--border);
}

.btn-danger {
    background: linear-gradient(140deg, #ef4444, #dc2626);
    color: #fff;
}

.btn-reta-final {
    background: linear-gradient(140deg, #64748b, #475569);
    color: #f8fafc;
}

.btn-reta-final.ativa {
    background: linear-gradient(140deg, #f97316, #ea580c);
    box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.25);
}

.btn-upload {
    position: relative;
    overflow: hidden;
}

.btn-upload input[type="file"] {
    display: none;
}

.btn-small {
    height: 36px;
    background: var(--surface);
    border-color: var(--border);
    color: var(--text-muted);
    font-size: 0.8rem;
}

.tabs {
    display: flex;
    gap: 10px;
    margin: 14px 0 8px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 8px;
}

.tab-btn {
    background: transparent;
    color: var(--text-soft);
    border-color: transparent;
    min-width: 180px;
}

.tab-btn.active {
    color: var(--text);
    background: color-mix(in srgb, var(--surface) 85%, var(--primary-soft) 15%);
    border-color: color-mix(in srgb, var(--primary) 45%, transparent);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.schedule-container {
    margin-top: 8px;
}

.day-card {
    background: color-mix(in srgb, var(--surface) 92%, var(--primary-soft) 8%);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 18px;
}

.day-header {
    display: flex;
    justify-content: space-between;
    gap: 8px;
    align-items: center;
    border-bottom: 1px solid var(--border);
    padding-bottom: 12px;
    margin-bottom: 10px;
    font-family: "Space Grotesk", sans-serif;
    font-size: clamp(1rem, 2vw, 1.45rem);
    font-weight: 700;
    letter-spacing: -0.01em;
}

.queue-legend {
    display: flex;
    gap: 10px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.legend-item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 30px;
    padding: 4px 12px;
    border-radius: 999px;
    border: 1px solid var(--border);
    font-size: 0.8rem;
    font-weight: 700;
}

.legend-item.review {
    color: color-mix(in srgb, var(--danger) 70%, var(--text));
    background: color-mix(in srgb, var(--danger) 14%, transparent);
}

.legend-item.new {
    color: color-mix(in srgb, var(--info) 72%, var(--text));
    background: color-mix(in srgb, var(--info) 14%, transparent);
}

.session-list {
    display: grid;
    grid-template-columns: repeat(4, minmax(230px, 1fr));
    gap: 14px;
}

.session-item,
.srs-card {
    background: linear-gradient(170deg, color-mix(in srgb, var(--surface) 88%, var(--primary-soft) 12%), var(--surface));
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    animation: cardEnter 0.34s ease both;
    animation-delay: calc(var(--card-index, 0) * 42ms);
}

.srs-card:hover {
    transform: translateY(-2px) scale(1.008);
    box-shadow: var(--shadow-md);
    border-color: color-mix(in srgb, var(--primary) 40%, var(--border));
}

.srs-card.card-foco {
    outline: none;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    gap: 12px;
}

.topic-title {
    margin: 0;
    font-size: 1.02rem;
    line-height: 1.32;
    letter-spacing: -0.01em;
}

.badge-novo,
.badge-revisao {
    font-size: 0.64rem;
    font-weight: 800;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    border-radius: 999px;
    padding: 5px 9px;
    white-space: nowrap;
}

.badge-novo {
    color: #0369a1;
    background: color-mix(in srgb, #38bdf8 22%, transparent);
}

.badge-revisao {
    color: #9a3412;
    background: color-mix(in srgb, #fb923c 26%, transparent);
}

.card-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-soft);
    font-size: 0.8rem;
}

.meta-discipline {
    font-weight: 600;
}

.meta-separator {
    color: color-mix(in srgb, var(--text-soft) 70%, transparent);
}

.meta-relevance {
    letter-spacing: 0.12em;
    font-weight: 800;
    color: #eab308;
}

.card-why {
    border-top: 1px dashed color-mix(in srgb, var(--border) 70%, transparent);
    padding-top: 9px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.why-title {
    font-size: 0.67rem;
    font-weight: 800;
    color: var(--text-soft);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.why-main {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--text);
}

.why-sub {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.why-impact {
    font-size: 0.78rem;
    color: var(--text-soft);
    line-height: 1.35;
}

.mini-kpi {
    border: 1px solid color-mix(in srgb, var(--primary) 33%, transparent);
    border-radius: 999px;
    background: color-mix(in srgb, var(--primary-soft) 72%, transparent);
    color: var(--primary-strong);
    font-size: 0.72rem;
    font-weight: 800;
    padding: 4px 9px;
    cursor: help;
}

.srs-buttons-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
}

.srs-btn {
    height: 56px;
    border-radius: 12px;
    border: 0;
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    font-weight: 800;
    gap: 4px;
    transition: transform 0.16s ease, filter 0.16s ease, box-shadow 0.16s ease;
}

.srs-btn .btn-label {
    font-size: 0.96rem;
}

.srs-btn .btn-interval {
    font-size: 0.76rem;
    opacity: 0.94;
}

.srs-buttons-grid .btn-errei {
    background: linear-gradient(140deg, #ef4444, #b91c1c);
}

.srs-buttons-grid .btn-dificil {
    background: linear-gradient(140deg, #f59e0b, #b45309);
}

.srs-buttons-grid .btn-bom {
    background: linear-gradient(140deg, #3b82f6, #1d4ed8);
}

.srs-buttons-grid .btn-facil {
    grid-column: 1 / -1;
    height: 58px;
    background: linear-gradient(140deg, #22c55e, #15803d);
}

.srs-btn:hover {
    filter: brightness(1.08);
    transform: translateY(-1px);
}

.srs-btn:active {
    transform: translateY(0) scale(0.98);
    filter: brightness(1);
    box-shadow: inset 0 1px 4px rgba(0, 0, 0, 0.25);
}

.overview-container {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: color-mix(in srgb, var(--surface) 92%, var(--primary-soft) 8%);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.metrics-summary {
    margin-top: 18px;
}

.overview-explainer {
    padding: 14px 14px 10px;
    border-bottom: 1px solid var(--border);
    background: color-mix(in srgb, var(--surface-muted) 76%, var(--surface));
}

.overview-explainer h3 {
    margin: 0 0 8px;
    font-size: 0.93rem;
    font-family: "Space Grotesk", sans-serif;
}

.overview-explainer p {
    margin: 0 0 6px;
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.4;
}

.overview-explainer p:last-child {
    margin-bottom: 0;
}

.overview-explainer code {
    font-family: "Space Grotesk", "Consolas", monospace;
    font-size: 0.78rem;
    background: var(--surface-soft);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1px 5px;
}

.overview-explainer-summary {
    color: var(--text-soft);
}

.overview-header-row,
.topic-row {
    display: grid;
    grid-template-columns: minmax(210px, 1.8fr) 74px 130px 90px 120px 92px;
    gap: 8px;
    align-items: center;
    padding: 10px 14px;
}

.overview-header-row {
    position: sticky;
    top: 0;
    z-index: 3;
    font-size: 0.7rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    font-weight: 800;
    background: color-mix(in srgb, var(--surface-muted) 80%, var(--surface));
    color: var(--text-soft);
    border-bottom: 1px solid var(--border);
}

.subject-overview {
    border-top: 1px solid var(--border);
}

.subject-overview h3 {
    margin: 0;
    padding: 12px 14px;
    font-family: "Space Grotesk", sans-serif;
    font-size: 1rem;
    border-bottom: 1px solid var(--border);
}

.topic-row {
    border-bottom: 1px dashed color-mix(in srgb, var(--border) 76%, transparent);
    font-size: 0.84rem;
}

.topic-row:last-child {
    border-bottom: 0;
}

.topic-row.vencido {
    background: color-mix(in srgb, var(--danger) 9%, transparent);
}

.topic-name {
    line-height: 1.35;
    font-weight: 600;
}

.srs-status {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 28px;
    border-radius: 999px;
    padding: 4px 10px;
    font-size: 0.74rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.status-novo {
    color: #0369a1;
    background: color-mix(in srgb, #38bdf8 22%, transparent);
}

.status-vencido {
    color: #991b1b;
    background: color-mix(in srgb, #f87171 24%, transparent);
}

.status-hoje {
    color: #9a3412;
    background: color-mix(in srgb, #fb923c 26%, transparent);
}

.status-agendado {
    color: #065f46;
    background: color-mix(in srgb, #34d399 20%, transparent);
}

.srs-stat {
    color: var(--text-muted);
    font-weight: 700;
}

.ds-stat {
    font-family: "Space Grotesk", "Consolas", monospace;
    font-size: 0.8em;
    cursor: help;
}

.peso-alto {
    color: #ea580c;
}

.peso-medio {
    color: #0284c7;
}

.peso-baixo {
    color: var(--text-soft);
}

.empty-state {
    border-radius: var(--radius-md);
    border: 1px dashed var(--border);
    background: color-mix(in srgb, var(--surface) 92%, var(--primary-soft) 8%);
}

.meta-concluida {
    border-radius: var(--radius-md);
    border: 1px solid color-mix(in srgb, var(--ok) 40%, transparent);
    background: color-mix(in srgb, var(--ok) 14%, transparent);
}

.toast-notification {
    position: fixed;
    left: 50%;
    transform: translateX(-50%);
    background: color-mix(in srgb, var(--surface) 84%, var(--surface-muted));
    border: 1px solid var(--border);
    color: var(--text);
    padding: 10px 16px;
    border-radius: 12px;
    font-size: 0.9rem;
    font-weight: 700;
    box-shadow: var(--shadow-md);
    z-index: 9999;
    opacity: 0;
    animation: toastFadeInOut 3s ease forwards;
    pointer-events: none;
}

.toast-icon {
    color: var(--ok);
    margin-right: 8px;
}

@keyframes toastFadeInOut {
    0% {
        opacity: 0;
        transform: translateX(-50%) translateY(8px);
    }

    12% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }

    80% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }

    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(-10px);
    }
}

@keyframes cardEnter {
    from {
        opacity: 0;
        transform: translateY(10px) scale(0.99);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(2, 6, 23, 0.58);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 18px;
}

.modal-container {
    width: min(860px, 100%);
    max-height: 88vh;
    overflow: hidden;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border);
    padding: 14px 18px;
}

.modal-header h2 {
    margin: 0;
    font-family: "Space Grotesk", sans-serif;
    font-size: 1.18rem;
}

.modal-close {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--surface-soft);
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
}

.modal-description {
    margin: 12px 18px 10px;
    color: var(--text-soft);
}

.calibration-actions {
    padding: 12px 18px;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    background: var(--surface-soft);
}

.calibration-actions span {
    font-size: 0.84rem;
    color: var(--text-soft);
    margin-right: 6px;
}

.cal-btn {
    height: 34px;
    font-size: 0.76rem;
    border-radius: 10px;
}

.cal-0 {
    background: color-mix(in srgb, #94a3b8 24%, transparent);
    color: var(--text);
}

.cal-1 {
    background: color-mix(in srgb, #f59e0b 24%, transparent);
    color: #b45309;
}

.cal-2 {
    background: color-mix(in srgb, #22c55e 24%, transparent);
    color: #166534;
}

.cal-3 {
    background: color-mix(in srgb, #3b82f6 24%, transparent);
    color: #1e3a8a;
}

.cal-4 {
    background: color-mix(in srgb, #ec4899 24%, transparent);
    color: #9d174d;
}

.calibration-list {
    padding: 12px 18px;
    overflow-y: auto;
    flex: 1;
}

.calibration-item {
    display: grid;
    grid-template-columns: 24px 1fr minmax(190px, 260px);
    gap: 10px;
    align-items: center;
    border-bottom: 1px dashed var(--border);
    padding: 10px 0;
}

.calibration-item:last-child {
    border-bottom: 0;
}

.calibration-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
}

.topic-info {
    min-width: 0;
}

.topic-name {
    font-size: 0.88rem;
    font-weight: 700;
}

.topic-discipline {
    font-size: 0.75rem;
    color: var(--text-soft);
}

.modal-footer {
    padding: 12px 18px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@media (max-width: 1220px) {
    .controls-grid {
        grid-template-columns: repeat(4, minmax(120px, 1fr));
    }

    .session-list {
        grid-template-columns: repeat(2, minmax(240px, 1fr));
    }
}

@media (max-width: 940px) {
    body {
        padding: 14px;
    }

    .app-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .metrics-summary {
        grid-template-columns: repeat(2, minmax(140px, 1fr));
    }

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

    .grade-guide-grid {
        grid-template-columns: 1fr;
    }

    .study-mode-rubric-grid {
        grid-template-columns: 1fr;
    }

    .settings-bar {
        grid-template-columns: 1fr;
    }

    .controls-grid {
        grid-template-columns: repeat(2, minmax(120px, 1fr));
    }

    .session-list {
        grid-template-columns: 1fr;
    }

    .overview-header-row,
    .topic-row {
        grid-template-columns: minmax(180px, 1.2fr) 56px 92px 80px 86px 72px;
        font-size: 0.78rem;
        padding: 9px 10px;
    }

    .tab-btn {
        min-width: 140px;
    }

    .calibration-item {
        grid-template-columns: 24px 1fr;
    }

    .calibration-item select {
        grid-column: 2 / -1;
    }
}

@media (max-width: 620px) {
    .metrics-summary {
        grid-template-columns: 1fr;
    }

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

    .tabs {
        flex-direction: column;
    }

    .tab-btn {
        width: 100%;
        min-width: 0;
    }

    .day-card {
        padding: 14px;
    }

    .day-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .srs-buttons-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .srs-buttons-grid .btn-facil {
        grid-column: 1 / -1;
    }

    .overview-header-row,
    .topic-row {
        grid-template-columns: 1.2fr 0.5fr 0.8fr;
        gap: 6px;
    }

    .overview-header-row span:nth-child(n+4),
    .topic-row > :nth-child(n+4) {
        display: none;
    }
}

@media print {
    body {
        background: #fff;
        color: #111;
        padding: 0;
    }

    .no-print,
    .tabs,
    #tab-overview {
        display: none !important;
    }

    .day-card,
    .session-item {
        box-shadow: none;
        border-color: #ddd;
        break-inside: avoid;
    }
}

@media (prefers-reduced-motion: reduce) {
    .srs-card {
        animation: none;
    }

    .srs-card,
    .srs-btn,
    .btn,
    .btn-small,
    .tab-btn,
    .cal-btn {
        transition: none !important;
    }
}

.syllabus-textarea {
    width: 100%;
    min-height: 320px;
    resize: vertical;
    padding: 12px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    font-family: "Consolas", "Monaco", monospace;
    font-size: 0.92rem;
    line-height: 1.45;
}

.title-input {
    width: 100%;
    padding: 12px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    font-family: "Manrope", "Segoe UI", sans-serif;
    font-size: 0.95rem;
    line-height: 1.4;
}

.support-footer {
    margin-top: 18px;
    margin-bottom: 4px;
}

.support-card {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: color-mix(in srgb, var(--surface) 90%, var(--primary-soft) 10%);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.support-card summary {
    list-style: none;
    cursor: pointer;
    padding: 10px 12px;
    font-size: 0.84rem;
    font-weight: 700;
    color: var(--text-soft);
}

.support-card summary::-webkit-details-marker {
    display: none;
}

.support-card summary::after {
    content: "+";
    float: right;
    font-weight: 700;
    color: var(--text-soft);
}

.support-card[open] summary::after {
    content: "−";
}

.support-card[open] summary {
    border-bottom: 1px solid var(--border);
}

.support-body {
    display: flex;
    gap: 14px;
    align-items: center;
    justify-content: space-between;
    padding: 12px;
}

.support-text {
    margin: 0;
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.45;
}

.support-qr-wrap {
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    min-width: 118px;
}

.support-qr {
    width: 112px;
    height: 112px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: #fff;
    object-fit: cover;
}

.support-qr-wrap figcaption {
    margin: 0;
    font-size: 0.7rem;
    color: var(--text-soft);
}

@media (max-width: 620px) {
    .support-body {
        flex-direction: column;
        align-items: flex-start;
    }

    .support-qr-wrap {
        align-self: center;
    }
}