:root {
  --bg: #09111f;
  --panel: rgba(13, 22, 37, 0.82);
  --panel-strong: #111c31;
  --line: rgba(148, 163, 184, 0.18);
  --line-strong: rgba(148, 163, 184, 0.28);
  --text: #e8eef9;
  --muted: #99a8c5;
  --muted-strong: #c6d0e6;
  --accent: #19c4a6;
  --accent-strong: #0f766e;
  --danger: #f87171;
  --warning: #fbbf24;
  --success: #34c759;
  --field-bg: rgba(12, 21, 38, 0.9);
  --soft-surface: rgba(148, 163, 184, 0.09);
  --placeholder: #7c8aa5;
  --focus-ring: rgba(25, 196, 166, 0.4);
  --badge-accent-bg: rgba(25, 196, 166, 0.12);
  --badge-accent-text: #c6fff7;
  --danger-soft-bg: rgba(248, 113, 113, 0.14);
  --danger-soft-text: #fecaca;
  --warning-soft-bg: rgba(251, 191, 36, 0.14);
  --warning-soft-text: #fde68a;
  --success-soft-bg: rgba(34, 197, 94, 0.14);
  --success-soft-text: #bbf7d0;
  --backdrop: rgba(3, 7, 18, 0.8);
  --shadow: 0 26px 50px rgba(0, 0, 0, 0.28);
  --body-gradient:
    radial-gradient(circle at 0% 0%, rgba(25, 196, 166, 0.12), transparent 24%),
    radial-gradient(circle at 100% 0%, rgba(251, 191, 36, 0.12), transparent 22%),
    linear-gradient(180deg, #07101c 0%, #0b1426 100%);
}

body[data-theme="light"] {
  --bg: #f6f8fc;
  --panel: rgba(255, 255, 255, 0.88);
  --panel-strong: #ffffff;
  --line: rgba(148, 163, 184, 0.28);
  --line-strong: rgba(100, 116, 139, 0.32);
  --text: #142033;
  --muted: #5f6f86;
  --muted-strong: #314056;
  --accent: #0f9f8c;
  --accent-strong: #0b7666;
  --danger: #dc6c6c;
  --warning: #d9a441;
  --success: #2f9e67;
  --field-bg: rgba(241, 245, 249, 0.96);
  --soft-surface: rgba(100, 116, 139, 0.08);
  --placeholder: #7a899d;
  --focus-ring: rgba(15, 159, 140, 0.28);
  --badge-accent-bg: rgba(15, 159, 140, 0.12);
  --badge-accent-text: #0b7666;
  --danger-soft-bg: rgba(220, 108, 108, 0.12);
  --danger-soft-text: #a14646;
  --warning-soft-bg: rgba(217, 164, 65, 0.14);
  --warning-soft-text: #8b6423;
  --success-soft-bg: rgba(47, 158, 103, 0.14);
  --success-soft-text: #226b47;
  --backdrop: rgba(59, 74, 95, 0.24);
  --shadow: 0 18px 38px rgba(15, 23, 42, 0.12);
  --body-gradient:
    radial-gradient(circle at 0% 0%, rgba(15, 159, 140, 0.12), transparent 26%),
    radial-gradient(circle at 100% 0%, rgba(217, 164, 65, 0.12), transparent 24%),
    linear-gradient(180deg, #f9fbff 0%, #edf2f8 100%);
}

body[data-theme="earth"] {
  --bg: #f4ecdf;
  --panel: rgba(255, 248, 239, 0.86);
  --panel-strong: #fff7ec;
  --line: rgba(161, 128, 102, 0.24);
  --line-strong: rgba(161, 128, 102, 0.34);
  --text: #4d3b30;
  --muted: #8e7566;
  --muted-strong: #6e5647;
  --accent: #c88764;
  --accent-strong: #a86545;
  --danger: #cb7a6c;
  --warning: #d5a35b;
  --success: #8fa96f;
  --field-bg: rgba(250, 242, 232, 0.96);
  --soft-surface: rgba(161, 128, 102, 0.08);
  --placeholder: #a08675;
  --focus-ring: rgba(200, 135, 100, 0.28);
  --badge-accent-bg: rgba(200, 135, 100, 0.13);
  --badge-accent-text: #91593d;
  --danger-soft-bg: rgba(203, 122, 108, 0.14);
  --danger-soft-text: #8a4d42;
  --warning-soft-bg: rgba(213, 163, 91, 0.16);
  --warning-soft-text: #8e6330;
  --success-soft-bg: rgba(143, 169, 111, 0.16);
  --success-soft-text: #5d7443;
  --backdrop: rgba(98, 74, 56, 0.24);
  --shadow: 0 20px 40px rgba(122, 92, 67, 0.15);
  --body-gradient:
    radial-gradient(circle at 0% 0%, rgba(200, 135, 100, 0.16), transparent 28%),
    radial-gradient(circle at 100% 0%, rgba(181, 143, 92, 0.16), transparent 24%),
    linear-gradient(180deg, #f8f1e7 0%, #f1e6d8 100%);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Outfit", sans-serif;
  background: var(--body-gradient);
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.hidden {
  display: none !important;
}

.page-shell {
  width: min(1500px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 40px;
}

.panel,
.hero-card,
.summary-card,
.column,
.task-form,
.task-dialog::backdrop {
  backdrop-filter: blur(16px);
}

.panel,
.hero-card,
.summary-card,
.column,
.task-form {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.hero-card,
.panel,
.summary-card,
.column,
.task-form {
  border-radius: 28px;
}

.eyebrow,
.summary-label,
.column-kicker,
dt {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.74rem;
  color: var(--muted);
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
}

.muted-text,
.hero-copy,
.column-description,
.inline-message,
.task-description,
.task-feedback-preview {
  color: var(--muted);
}

.login-layout {
  min-height: calc(100vh - 64px);
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 22px;
  align-items: center;
}

.hero-card {
  padding: 36px;
}

.hero-card h1 {
  margin: 10px 0 14px;
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: 0.95;
}

.hero-copy {
  max-width: 720px;
  line-height: 1.6;
}

.demo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-top: 28px;
}

.demo-card {
  padding: 16px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel-strong) 82%, transparent);
}

.demo-card strong,
.user-chip strong {
  display: block;
}

.login-form,
.topbar,
.toolbar,
.context-card,
.admin-panel,
.list-panel {
  padding: 22px;
}

.login-form {
  display: grid;
  gap: 18px;
}

label {
  display: grid;
  gap: 8px;
}

label span {
  color: var(--muted-strong);
  font-size: 0.95rem;
  font-weight: 600;
}

input,
textarea,
select {
  width: 100%;
  border-radius: 16px;
  border: 1px solid var(--line-strong);
  background: var(--field-bg);
  color: var(--text);
  padding: 13px 14px;
}

input::placeholder,
textarea::placeholder {
  color: var(--placeholder);
}

input:focus,
textarea:focus,
select:focus {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

select option {
  background: var(--panel-strong);
  color: var(--text);
}

.primary-button,
.ghost-button,
.icon-button {
  border: 0;
  border-radius: 16px;
  transition: transform 0.18s ease, opacity 0.18s ease, background-color 0.18s ease;
}

.primary-button:hover,
.ghost-button:hover,
.icon-button:hover {
  transform: translateY(-1px);
}

.primary-button {
  padding: 14px 18px;
  color: white;
  background: linear-gradient(135deg, var(--accent), #22c55e);
  box-shadow: 0 16px 30px rgba(25, 196, 166, 0.22);
}

.ghost-button,
.icon-button {
  padding: 12px 14px;
  color: var(--text);
  background: var(--soft-surface);
}

.danger-button {
  color: var(--danger-soft-text);
  background: var(--danger-soft-bg);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.topbar-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

.theme-switcher {
  display: grid;
  gap: 6px;
  min-width: 150px;
}

.theme-switcher span {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 600;
}

.theme-switcher select {
  padding: 10px 12px;
  border-radius: 14px;
  background: color-mix(in srgb, var(--panel-strong) 82%, transparent);
}

.user-chip {
  padding: 12px 14px;
  border-radius: 18px;
  background: color-mix(in srgb, var(--panel-strong) 82%, transparent);
  border: 1px solid var(--line);
  min-width: 190px;
}

.user-chip span {
  color: var(--muted);
  font-size: 0.9rem;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin: 22px 0;
}

.summary-card {
  padding: 20px;
}

.summary-card strong {
  display: block;
  margin-top: 10px;
  font-size: 2rem;
}

.toolbar,
.panel-header,
.task-topline,
.dialog-header,
.dialog-actions,
.task-actions,
.task-move {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.toolbar {
  margin-bottom: 18px;
}

.search-input {
  flex: 1;
}

.context-grid,
.records-grid {
  display: grid;
  gap: 16px;
}

.context-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 18px;
}

.teacher-grid {
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
  gap: 18px;
}

.admin-panel {
  align-self: start;
}

.stack-form {
  display: grid;
  gap: 10px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.stack-form:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.compact-form {
  padding-bottom: 0;
}

.records-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 18px;
}

.data-list {
  display: grid;
  gap: 10px;
}

.data-card {
  padding: 14px;
  border-radius: 18px;
  background: color-mix(in srgb, var(--panel-strong) 82%, transparent);
  border: 1px solid var(--line);
}

.data-card p {
  margin: 6px 0 0;
  color: var(--muted);
}

.data-card-actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.board {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
  align-items: start;
  overflow-x: auto;
  padding-bottom: 8px;
}

.column {
  min-height: 520px;
  padding: 18px;
  min-width: 0;
}

.column-count {
  min-width: 40px;
  height: 40px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--badge-accent-text);
  background: var(--badge-accent-bg);
  font-weight: 700;
}

.task-list {
  display: grid;
  gap: 12px;
  min-height: 220px;
}

.task-list.drag-over {
  outline: 2px dashed var(--accent);
  outline-offset: 6px;
  border-radius: 20px;
}

.empty-state {
  padding: 16px;
  text-align: center;
  border-radius: 18px;
  border: 1px dashed var(--line-strong);
  color: var(--muted);
}

.task-card {
  padding: 16px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--panel-strong) 94%, white 6%),
    color-mix(in srgb, var(--panel-strong) 98%, black 2%)
  );
  min-width: 0;
  overflow: hidden;
}

.task-card.dragging {
  opacity: 0.55;
}

.priority-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  min-height: 32px;
}

.priority-Alta {
  background: var(--danger-soft-bg);
  color: var(--danger-soft-text);
}

.priority-Media {
  background: var(--warning-soft-bg);
  color: var(--warning-soft-text);
}

.priority-Baixa {
  background: var(--success-soft-bg);
  color: var(--success-soft-text);
}

.task-title {
  margin: 14px 0 8px;
  font-size: 1.08rem;
  line-height: 1.3;
  overflow-wrap: anywhere;
}

.task-description,
.task-feedback-preview {
  margin: 0 0 12px;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.task-audit-preview {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.45;
}

.task-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0 0 12px;
}

.task-meta div {
  min-width: 0;
}

.task-meta dd {
  margin: 5px 0 0;
  overflow-wrap: anywhere;
}

.task-actions {
  display: grid;
  grid-template-columns: repeat(2, max-content);
  justify-content: end;
  align-content: start;
  gap: 8px;
}

.icon-button {
  min-width: 60px;
  min-height: 32px;
  padding: 7px 10px;
  font-size: 0.78rem;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.task-move select,
.task-actions,
.column-header > div {
  min-width: 0;
}

.column-header h3,
.column-description {
  overflow-wrap: anywhere;
}

.task-dialog {
  width: min(820px, calc(100% - 24px));
  border: 0;
  padding: 0;
  background: transparent;
}

.task-dialog::backdrop {
  background: var(--backdrop);
}

.task-form {
  padding: 24px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.feedback-thread {
  display: grid;
  gap: 10px;
  max-height: 320px;
  overflow: auto;
  margin-top: 16px;
}

.feedback-item {
  padding: 14px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel-strong) 90%, transparent);
}

.feedback-item strong {
  display: block;
}

.feedback-item p {
  margin: 8px 0 0;
  line-height: 1.5;
}

.feedback-meta {
  color: var(--muted);
  font-size: 0.88rem;
}

.error-text {
  color: var(--danger);
  min-height: 1.2rem;
}

@media (max-width: 1180px) {
  .teacher-grid,
  .login-layout,
  .records-grid,
  .context-grid,
  .summary-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .topbar,
  .toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .board {
    grid-template-columns: repeat(5, minmax(260px, 260px));
  }
}

@media (max-width: 760px) {
  .task-meta {
    grid-template-columns: 1fr;
  }

  .task-topline {
    align-items: flex-start;
  }

  .icon-button {
    min-width: 0;
  }

  .task-actions {
    grid-template-columns: 1fr;
  }
}