:root {
  --bg-top: #ffffff;
  --bg: #f3f1ec;
  --surface: #fcfbf7;
  --ink: #0d1b2a;
  --muted: #495867;
  --accent: #1f5a83;
  --accent-2: #f26c4f;
  --border: rgba(15, 31, 49, 0.15);
  --grid-border: rgba(15, 31, 49, 0.08);
  --shadow: 0 18px 40px rgba(15, 31, 49, 0.12);
  --danger: #b42318;
  --head-bg: #e6dccf;
  --input-bg: #ffffff;
  --toast-bg: #13233f;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --transition: 0.15s ease;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top, var(--bg-top) 0%, var(--bg) 60%);
  color: var(--ink);
  font-family: "Manrope", system-ui, -apple-system, sans-serif;
}

h1,
h2,
h3 {
  margin: 0;
}

p {
  margin: 0;
}

.hidden {
  display: none !important;
}

.bg-orb {
  display: none;
}

.app-shell {
  width: min(1200px, 94vw);
  margin: 0 auto;
  padding: 32px 0 48px;
}

.card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.auth-card {
  width: min(460px, 100%);
  margin: 12vh auto 0;
  padding: 30px;
}

.auth-card h1 {
  font-family: "Fraunces", serif;
  font-size: clamp(1.6rem, 4vw, 2.2rem);
}

.auth-card p {
  color: var(--muted);
  margin-top: 8px;
}

#login-form {
  display: grid;
  gap: 14px;
  margin-top: 20px;
}

label {
  display: grid;
  gap: 7px;
  font-weight: 600;
  font-size: 0.92rem;
}

input,
textarea,
button {
  font: inherit;
}

input,
textarea,
select {
  font-size: 16px;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 11px 12px;
  transition: border-color var(--transition), box-shadow var(--transition);
  background: var(--input-bg);
  color: var(--ink);
}

input:focus-visible,
textarea:focus-visible,
button:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(31, 90, 131, 0.2);
}

.hint {
  margin-top: 14px;
  font-size: 0.83rem;
}

.topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 28px;
}

.topbar h2 {
  font-family: "Fraunces", serif;
  font-size: clamp(1.55rem, 3vw, 2.15rem);
}

#week-label {
  margin-top: 6px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.82rem;
}

.controls {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.controls .btn {
  border-color: rgba(15, 31, 49, 0.18);
  background: linear-gradient(180deg, #ffffff 0%, #f4f1ea 100%);
  color: #243647;
  box-shadow:
    0 6px 16px rgba(15, 31, 49, 0.16),
    inset 0 1px 0 rgba(255, 255, 255, 0.85);
}

.controls .btn:hover {
  box-shadow:
    0 10px 22px rgba(15, 31, 49, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.controls .btn:active {
  transform: translateY(0);
  box-shadow:
    0 4px 10px rgba(15, 31, 49, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.75);
}

.controls .btn-ghost {
  border-color: rgba(31, 90, 131, 0.26);
}

.btn {
  border: 1px solid var(--border);
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink);
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(15, 31, 49, 0.06);
  transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition);
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(15, 31, 49, 0.14);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: transparent;
}

.btn-ghost {
  background: transparent;
  color: var(--muted);
  border-color: transparent;
}

.btn-danger {
  background: #ffe5df;
  color: var(--danger);
  border-color: rgba(180, 35, 24, 0.2);
}

.calendar {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: var(--shadow);
  overflow: auto;
}

.calendar-grid {
  min-width: 900px;
  display: grid;
  grid-template-columns: repeat(5, minmax(150px, 1fr));
  border: 0.75px solid var(--grid-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--surface);
}

.cell {
  border-right: 0.75px solid var(--grid-border);
  border-bottom: 0.75px solid var(--grid-border);
  padding: 12px;
  min-height: 72px;
  background: var(--surface);
}

.head {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--head-bg);
  font-weight: 700;
  color: var(--muted);
}

.slot {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  gap: 8px;
  height: 96px;
  overflow: hidden;
  border-top: 0;
  border-left: 0;
  border-right: 0.75px solid var(--grid-border);
  border-bottom: 0.75px solid var(--grid-border);
  appearance: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}

.slot:hover {
  background: rgba(47, 93, 98, 0.08);
  transform: translateY(-1px);
}

.slot.filled {
  background: rgba(18, 122, 122, 0.22);
  box-shadow: inset 0 0 0 1px rgba(18, 122, 122, 0.22);
}

.slot.blocked {
  background: repeating-linear-gradient(
    -45deg,
    rgba(73, 88, 103, 0.08),
    rgba(73, 88, 103, 0.08) 8px,
    rgba(73, 88, 103, 0.04) 8px,
    rgba(73, 88, 103, 0.04) 16px
  );
  color: var(--muted);
  cursor: not-allowed;
}

.slot.blocked:hover {
  transform: none;
  background: repeating-linear-gradient(
    -45deg,
    rgba(73, 88, 103, 0.08),
    rgba(73, 88, 103, 0.08) 8px,
    rgba(73, 88, 103, 0.04) 8px,
    rgba(73, 88, 103, 0.04) 16px
  );
}

.slot .blocked-label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--muted);
}

.slot .title {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  font-weight: 700;
  font-size: 0.93rem;
  color: var(--ink);
  line-height: 1.3;
  text-align: left;
  max-height: calc(1.3em * 2);
  word-break: break-word;
}

.slot .meta {
  margin-top: 4px;
  font-size: 0.78rem;
  color: var(--muted);
}

.slot-time {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.72rem;
  color: var(--muted);
  font-weight: 700;
  line-height: 1;
}

.slot-time svg {
  width: 14px;
  height: 14px;
  stroke: rgba(15, 31, 49, 0.58);
  stroke-width: 1.8;
}

.slot .empty-icon {
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.slot .empty-icon svg {
  width: 24px;
  height: 24px;
  stroke: rgba(31, 90, 131, 0.55);
  stroke-width: 1.6;
}

.slot:hover .empty-icon svg {
  stroke: rgba(31, 90, 131, 0.82);
}

.modal {
  border: 0;
  padding: 0;
  border-radius: 20px;
  box-shadow: var(--shadow);
  width: min(560px, 95vw);
  opacity: 0;
  transform: translateY(8px) scale(0.985);
  transition: opacity 180ms ease, transform 220ms cubic-bezier(0.22, 1, 0.36, 1);
}

.modal[open] {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.modal::backdrop {
  background: rgba(30, 31, 36, 0);
  transition: background 180ms ease;
}

.modal[open]::backdrop {
  background: rgba(30, 31, 36, 0.4);
}

@starting-style {
  .modal[open] {
    opacity: 0;
    transform: translateY(8px) scale(0.985);
  }

  .modal[open]::backdrop {
    background: rgba(30, 31, 36, 0);
  }
}

.modal-card {
  width: min(520px, 100%);
  background: var(--surface);
  border-radius: 20px;
  padding: 20px;
  display: grid;
  gap: 12px;
}

.modal-card h3 {
  font-family: "Fraunces", serif;
  font-size: 1.3rem;
}

.slot-summary {
  margin: 0;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #f7f4ee;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 600;
}

.row.two-col {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, 1fr);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 4px;
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  background: var(--toast-bg);
  color: #fff;
  border-radius: 10px;
  padding: 12px 14px;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity var(--transition), transform var(--transition);
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .calendar-grid {
    grid-template-columns: repeat(5, minmax(150px, 1fr));
  }

  .cell {
    padding: 10px;
  }
}

@media (max-width: 760px) {
  .calendar {
    padding: 0;
    border-radius: 18px;
  }

  .calendar-grid {
    min-width: 910px;
  }

  .topbar {
    align-items: stretch;
  }

  .modal input,
  .modal textarea,
  #event-content {
    font-size: 16px !important;
  }
}

@media print {
  @page {
    size: A4 landscape;
    margin: 8mm;
  }

  body {
    background: #fff;
  }

  .app-shell {
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 0;
  }

  .topbar {
    margin-bottom: 8px;
  }

  .topbar h2 {
    font-size: 1.05rem;
  }

  #week-label {
    font-size: 0.72rem;
    margin-top: 2px;
  }

  .controls,
  #logout-btn,
  .toast,
  .bg-orb {
    display: none !important;
  }

  .calendar {
    box-shadow: none;
    padding: 0;
  }

  .calendar-grid {
    border-radius: 0;
    min-width: 0;
    width: 100%;
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .cell {
    min-height: 52px;
    padding: 6px 7px;
  }

  .slot-time {
    font-size: 0.66rem;
    gap: 3px;
  }

  .slot-time svg {
    width: 11px;
    height: 11px;
  }

  .slot .title {
    font-size: 0.76rem;
    line-height: 1.2;
  }
}