:root {
  --bg: #f5efe4;
  --bg-strong: #eadcc6;
  --card: rgba(255, 251, 245, 0.88);
  --ink: #1e2430;
  --muted: #5f6470;
  --line: rgba(30, 36, 48, 0.12);
  --accent: #d95d39;
  --accent-deep: #a7381e;
  --accent-soft: #ffd7c7;
  --shadow: 0 18px 60px rgba(59, 41, 20, 0.14);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --font-display: "Avenir Next", "Trebuchet MS", "Segoe UI", sans-serif;
  --font-body: "Avenir Next", "Segoe UI", "Helvetica Neue", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(255, 214, 180, 0.9), transparent 30%),
    radial-gradient(circle at right 20%, rgba(217, 93, 57, 0.18), transparent 25%),
    linear-gradient(135deg, #f7f0e5 0%, #efe4d2 48%, #e9d9c8 100%);
}

.page-shell {
  width: min(1240px, calc(100% - 32px));
  margin: 32px auto;
  display: grid;
  gap: 24px;
}

.hidden {
  display: none !important;
}

.hero,
.card {
  background: var(--card);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.55);
  box-shadow: var(--shadow);
}

.hero {
  border-radius: var(--radius-xl);
  padding: 32px;
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 24px;
  align-items: stretch;
}

.eyebrow {
  margin: 0 0 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 12px;
  color: var(--accent-deep);
  font-weight: 700;
}

.hero h1,
.card-head h2 {
  font-family: var(--font-display);
  margin: 0;
}

.hero h1 {
  font-size: clamp(32px, 5vw, 58px);
  line-height: 0.97;
  max-width: 12ch;
}

.hero-text,
.card-head p,
.bot-command p,
.status-box {
  color: var(--muted);
  line-height: 1.5;
}

.hero-panel {
  display: grid;
  gap: 16px;
}

.panel-card {
  padding: 22px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  display: grid;
  gap: 8px;
}

.panel-card.accent {
  background: linear-gradient(160deg, #d95d39, #ee8d55);
  color: white;
}

.panel-card.accent .panel-label {
  color: rgba(255, 255, 255, 0.72);
}

.panel-label,
.label {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.content-grid {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 24px;
}

.admin-grid {
  grid-template-columns: 1fr;
  align-items: start;
}

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

.card {
  border-radius: var(--radius-xl);
  padding: 28px;
}

.card-head {
  margin-bottom: 20px;
}

.card-head p {
  margin: 8px 0 0;
}

.control-block {
  display: grid;
  gap: 10px;
  margin-bottom: 18px;
}

.row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.text-input,
.select-input,
#file-upload,
.ghost-button,
.primary-button {
  min-height: 48px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  font: inherit;
}

.text-input,
.select-input {
  flex: 1 1 240px;
  padding: 0 16px;
  background: rgba(255, 255, 255, 0.85);
}

#file-upload {
  width: 100%;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.85);
}

.ghost-button,
.primary-button {
  padding: 0 18px;
  cursor: pointer;
  transition: transform 140ms ease, box-shadow 140ms ease, background 140ms ease;
}

.ghost-button {
  background: white;
  color: var(--ink);
}

.primary-button {
  background: linear-gradient(135deg, var(--accent), #f08a4b);
  color: white;
  border: none;
  box-shadow: 0 16px 28px rgba(217, 93, 57, 0.25);
}

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

.divider {
  position: relative;
  margin: 6px 0 18px;
  text-align: center;
}

.divider::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
  background: var(--line);
}

.divider span {
  position: relative;
  padding: 0 12px;
  background: var(--card);
  color: var(--muted);
}

.status-box {
  border-radius: var(--radius-md);
  padding: 16px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px dashed rgba(30, 36, 48, 0.18);
}

.toolbar-card {
  margin-bottom: 24px;
}

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

.schedule-view {
  display: grid;
  gap: 18px;
}

.day-card {
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line);
  overflow: hidden;
}

.day-card header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  padding: 16px 18px;
  background: linear-gradient(135deg, rgba(217, 93, 57, 0.14), rgba(255, 215, 199, 0.36));
}

.day-card h3 {
  margin: 0;
  font-size: 18px;
}

.lessons {
  display: grid;
}

.lesson {
  padding: 16px 18px;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 92px 1fr 170px;
  gap: 14px;
  align-items: start;
}

.lesson-time {
  font-weight: 700;
}

.lesson-time small,
.lesson-room {
  display: block;
  margin-top: 4px;
  color: var(--muted);
}

.lesson-subject {
  font-weight: 700;
  margin-bottom: 6px;
}

.lesson-teacher,
.lesson-group {
  color: var(--muted);
}

.empty-state {
  padding: 48px 24px;
  text-align: center;
  color: var(--muted);
}

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

.admin-lists {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.admin-manual-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.admin-span-2 {
  grid-column: span 2;
}

.top-gap {
  margin-top: 18px;
}

.small-button {
  min-height: 38px;
  margin-top: 10px;
}

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

.simple-list-item,
.empty-list {
  border-radius: 16px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid var(--line);
}

.simple-list-item strong,
.simple-list-item span {
  display: block;
}

.simple-list-item span {
  margin-top: 6px;
  color: var(--muted);
}

.bot-command {
  border-radius: 18px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--line);
}

.bot-command span {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
}

.bot-command p {
  margin: 8px 0 0;
}

@media (max-width: 980px) {
  .hero,
  .content-grid,
  .auth-grid,
  .bot-grid,
  .admin-lists,
  .admin-manual-grid,
  .lesson {
    grid-template-columns: 1fr;
  }

  .page-shell {
    width: min(100% - 20px, 1240px);
    margin: 16px auto 28px;
  }

  .hero,
  .card {
    padding: 20px;
  }
}