:root {
  --bg: #f2efe7;
  --bg-2: #e6ddcd;
  --surface: rgba(255, 250, 240, 0.84);
  --surface-strong: #fffaf2;
  --stroke: rgba(63, 51, 35, 0.12);
  --text: #30251a;
  --muted: #786754;
  --accent: #b24a2f;
  --accent-2: #dd8d4a;
  --success: #2d7a50;
  --danger: #8e2d2d;
  --shadow: 0 24px 60px rgba(73, 51, 26, 0.15);
  --radius: 24px;
  --radius-sm: 16px;
  --font-display: "Aptos Display", "Trebuchet MS", "Segoe UI", sans-serif;
  --font-body: "Aptos", "Gill Sans", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(221, 141, 74, 0.34), transparent 26%),
    radial-gradient(circle at bottom right, rgba(178, 74, 47, 0.18), transparent 30%),
    linear-gradient(135deg, var(--bg) 0%, var(--bg-2) 100%);
  font-family: var(--font-body);
  min-height: 100vh;
}

.backdrop {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.2) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.14) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(circle at center, black 45%, transparent 88%);
  pointer-events: none;
}

.layout,
.login-card {
  position: relative;
  z-index: 1;
}

.layout {
  max-width: 1400px;
  margin: 0 auto;
  padding: 32px 20px 48px;
  display: grid;
  gap: 20px;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.hero {
  display: grid;
  gap: 20px;
  grid-template-columns: 1.4fr 1fr;
  padding: 28px;
}

.hero h1,
.login-card h1,
.section-title h2 {
  margin: 0;
  font-family: var(--font-display);
  letter-spacing: -0.03em;
}

.hero h1,
.login-card h1 {
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 0.96;
}

.hero-copy,
.muted {
  color: var(--muted);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

.hero-actions,
.inline-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.hero-actions {
  justify-content: flex-end;
  align-content: flex-start;
}

.button {
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: transform 120ms ease, opacity 120ms ease, background 120ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff7f0;
}

.button-secondary {
  background: linear-gradient(135deg, #55342a, #8e4d32);
  color: #fff7f0;
}

.button-ghost {
  background: rgba(82, 62, 40, 0.08);
  color: var(--text);
}

.section-title {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: end;
  margin-bottom: 18px;
}

.status-grid,
.dashboard-grid {
  display: grid;
  gap: 20px;
}

.status-grid {
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
}

.status-card {
  padding: 18px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.56);
  border: 1px solid rgba(77, 61, 41, 0.08);
}

.status-card span {
  display: block;
  font-size: 0.84rem;
  color: var(--muted);
  margin-bottom: 6px;
}

.status-card strong {
  font-size: 1.1rem;
  line-height: 1.25;
}

.dashboard-grid {
  grid-template-columns: minmax(320px, 0.95fr) minmax(320px, 1.05fr);
}

.panel:not(.hero):not(.login-card) {
  padding: 24px;
}

.qr-panel {
  min-height: 100%;
}

.qr-wrapper {
  min-height: 340px;
  border-radius: var(--radius-sm);
  border: 1px dashed rgba(82, 62, 40, 0.18);
  background: rgba(255, 255, 255, 0.48);
  display: grid;
  place-items: center;
  padding: 20px;
}

.qr-wrapper img {
  max-width: 100%;
  width: min(320px, 100%);
  border-radius: 18px;
  background: #fff;
  padding: 16px;
}

.qr-placeholder {
  color: var(--muted);
  text-align: center;
  max-width: 24rem;
}

.toggle-row,
.field {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

.toggle-row {
  grid-template-columns: 1fr auto;
  align-items: center;
}

.field span,
.toggle-row span {
  font-weight: 700;
}

input,
textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid rgba(82, 62, 40, 0.16);
  background: rgba(255, 255, 255, 0.76);
  color: var(--text);
  font: inherit;
}

input:focus,
textarea:focus {
  outline: 2px solid rgba(178, 74, 47, 0.2);
  border-color: rgba(178, 74, 47, 0.32);
}

textarea {
  resize: vertical;
  min-height: 220px;
}

.schedule-grid {
  display: grid;
  gap: 10px;
}

.schedule-row {
  display: grid;
  gap: 12px;
  grid-template-columns: 90px 1fr 1fr 1fr;
  align-items: center;
  padding: 12px 14px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.54);
  border: 1px solid rgba(82, 62, 40, 0.08);
}

.schedule-day {
  font-weight: 700;
}

.schedule-row label {
  display: flex;
  gap: 8px;
  align-items: center;
  color: var(--muted);
}

.knowledge-grid {
  align-items: start;
}

.upload-box {
  display: grid;
  gap: 12px;
  margin-bottom: 18px;
}

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

.document-card {
  padding: 14px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.56);
  border: 1px solid rgba(82, 62, 40, 0.08);
  display: grid;
  gap: 10px;
}

.document-meta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.9rem;
}

.document-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.document-path {
  font-weight: 700;
  word-break: break-all;
}

.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 20;
  max-width: min(420px, calc(100vw - 40px));
  background: #2e241a;
  color: #fff8ef;
  padding: 14px 18px;
  border-radius: 18px;
  box-shadow: 0 20px 40px rgba(27, 17, 8, 0.28);
}

.hidden {
  display: none !important;
}

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
}

.login-card {
  width: min(540px, 100%);
  padding: 30px;
}

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

.login-button {
  width: 100%;
}

.error-text {
  min-height: 1.25rem;
  color: var(--danger);
}

@media (max-width: 980px) {
  .hero,
  .dashboard-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 720px) {
  .layout {
    padding: 18px 14px 30px;
  }

  .panel:not(.hero):not(.login-card),
  .hero,
  .login-card {
    padding: 18px;
  }

  .schedule-row {
    grid-template-columns: 1fr;
  }
}