/* ============================================================
   Bildfilter Stempel-Wanderung - styles
   Aesthetic: Japanese paper (washi) + cinnabar ink + MNG blue
   ============================================================ */

:root {
  --mng-blue:        #0076BD;
  --mng-blue-dark:   #003C64;
  --mng-blue-light:  #99C8E5;
  --paper:           #FAF6EE;
  --paper-dark:      #EFE9DC;
  --ink:             #2A2118;
  --ink-soft:        #6B5F4F;
  --cinnabar:        #B1382E;
  --cinnabar-soft:   rgba(177, 56, 46, 0.08);
  --success:         #2E7D4F;
  --info:            #4A6FA5;
  --error:           #B1382E;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================================ Header */
.site-header {
  background: linear-gradient(90deg, var(--mng-blue-dark), var(--mng-blue));
  color: white;
  padding: 14px 0;
  border-bottom: 3px solid var(--cinnabar);
}
.site-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.site-header h1 {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.5px;
}
.site-header h1 a { color: white; text-decoration: none; }
.site-header nav { display: flex; align-items: center; gap: 16px; }
.site-header nav a {
  color: white;
  text-decoration: none;
  font-size: 14px;
  padding: 4px 10px;
  border: 1px solid rgba(255,255,255,0.4);
  border-radius: 3px;
  transition: background 200ms;
}
.site-header nav a:hover { background: rgba(255,255,255,0.15); }
.site-header .username {
  font-weight: 600;
  font-size: 14px;
}

main.container { padding-top: 28px; padding-bottom: 60px; }

/* ============================================================ Flash messages */
.flash {
  padding: 12px 16px;
  border-radius: 4px;
  margin-bottom: 16px;
  border-left: 4px solid;
  font-size: 14px;
}
.flash.success { background: rgba(46, 125, 79, 0.08); border-color: var(--success); }
.flash.info    { background: rgba(74, 111, 165, 0.08); border-color: var(--info); }
.flash.error   { background: var(--cinnabar-soft); border-color: var(--error); color: var(--cinnabar); }

/* ============================================================ Cards */
.card {
  background: white;
  border: 1px solid var(--paper-dark);
  border-radius: 6px;
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.04);
}
.card h2 {
  margin: 0 0 12px 0;
  color: var(--mng-blue-dark);
  font-size: 20px;
}
.card .hint {
  color: var(--ink-soft);
  font-size: 14px;
  margin: 0 0 16px 0;
}

/* ============================================================ Login */
.login-wrapper {
  max-width: 440px;
  margin: 60px auto;
}
.login-wrapper p { color: var(--ink-soft); }
.login-form { display: grid; gap: 14px; }
.login-form label {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.login-form input {
  width: 100%;
  padding: 12px 14px;
  font-size: 16px;
  border: 1px solid var(--paper-dark);
  border-radius: 4px;
  background: var(--paper);
  font-family: inherit;
}
.login-form input:focus {
  outline: none;
  border-color: var(--mng-blue);
  background: white;
}
.login-form button, .btn-primary {
  background: var(--mng-blue);
  color: white;
  padding: 12px 18px;
  font-size: 15px;
  font-weight: 600;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background 150ms;
  font-family: inherit;
}
.login-form button:hover, .btn-primary:hover { background: var(--mng-blue-dark); }

/* ============================================================ Dashboard layout */
.dashboard {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 24px;
}
@media (max-width: 900px) {
  .dashboard { grid-template-columns: 1fr; }
}
.dashboard .full-width { grid-column: 1 / -1; }

/* ============================================================ Fuji SVG */
.fuji-frame {
  background: var(--paper);
  padding: 12px;
  border-radius: 4px;
  border: 1px solid var(--paper-dark);
}
.fuji-svg {
  width: 100%;
  height: auto;
  display: block;
  background: white;
}
.fuji-svg .zone-badge { pointer-events: none; }
.progress-text {
  text-align: center;
  font-size: 14px;
  color: var(--ink-soft);
  margin: 12px 0 0;
}
.progress-text strong { color: var(--cinnabar); font-size: 16px; }

/* ============================================================ Claim form */
.claim-form {
  display: flex;
  gap: 10px;
}
.claim-form input {
  flex: 1;
  padding: 10px 12px;
  font-size: 15px;
  border: 1px solid var(--paper-dark);
  border-radius: 4px;
  background: var(--paper);
  font-family: inherit;
  letter-spacing: 1px;
}
.claim-form input:focus { outline: none; border-color: var(--cinnabar); }
.claim-form button {
  background: var(--cinnabar);
  color: white;
  padding: 10px 18px;
  font-weight: 600;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-family: inherit;
}
.claim-form button:hover { background: #8E2C25; }

/* ============================================================ Stamp grid */
.stamp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}
.stamp {
  border: 1.5px dashed #BBB1A0;
  border-radius: 4px;
  padding: 14px;
  background: var(--paper);
  position: relative;
  min-height: 130px;
  transition: all 250ms;
}
.stamp.claimed {
  border: 2px solid var(--cinnabar);
  background: var(--cinnabar-soft);
  box-shadow: 2px 2px 0 rgba(177, 56, 46, 0.15);
}
.stamp.claimed::after {
  /* Faux hanko (Japanese seal) badge in the corner */
  content: "✓";
  position: absolute;
  top: 8px;
  right: 8px;
  width: 28px;
  height: 28px;
  background: var(--cinnabar);
  color: white;
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  transform: rotate(8deg);
  box-shadow: 1px 1px 0 rgba(0,0,0,0.1);
}
.stamp .station-num {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--ink-soft);
  background: var(--paper-dark);
  padding: 2px 6px;
  border-radius: 2px;
  margin-bottom: 6px;
}
.stamp.claimed .station-num {
  background: var(--cinnabar);
  color: white;
}
.stamp .stamp-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 2px 0;
}
.stamp .stamp-subtitle {
  font-size: 13px;
  font-style: italic;
  color: var(--ink-soft);
  margin: 0 0 8px 0;
}
.stamp .stamp-req {
  font-size: 13px;
  color: var(--ink);
  line-height: 1.45;
}
.stamp .stamp-chapter {
  font-size: 11px;
  color: var(--ink-soft);
  margin-top: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ============================================================ Teacher view */
.grid-scroll { overflow-x: auto; }
table.award-grid {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
table.award-grid th, table.award-grid td {
  padding: 4px 6px;
  text-align: center;
  border-bottom: 1px solid var(--paper-dark);
}
table.award-grid th {
  background: var(--paper-dark);
  font-weight: 700;
  color: var(--ink);
  vertical-align: bottom;
}
table.award-grid th.stamp-col {
  min-width: 60px;
  padding: 6px 4px 8px;
}
.stamp-th-num {
  display: inline-block;
  background: var(--cinnabar);
  color: white;
  font-weight: 700;
  width: 22px;
  height: 22px;
  line-height: 22px;
  border-radius: 50%;
  margin-bottom: 4px;
}
.stamp-th-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--ink-soft);
  line-height: 1.2;
}
table.award-grid th.student-col,
table.award-grid td.student-col {
  text-align: left;
  font-weight: 600;
  white-space: nowrap;
  padding-left: 8px;
  padding-right: 12px;
}
table.award-grid td.total-col {
  font-weight: 700;
  color: var(--cinnabar);
  padding-left: 12px;
}
table.award-grid tbody tr:hover {
  background: rgba(177, 56, 46, 0.04);
}
table.award-grid td.cell { padding: 2px; }
table.award-grid td.cell form { margin: 0; display: block; }
button.toggle {
  width: 34px;
  height: 34px;
  border-radius: 4px;
  border: 1.5px dashed #BBB1A0;
  background: var(--paper);
  color: #9CA3AF;
  font-size: 18px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 100ms, box-shadow 150ms, background 150ms;
  font-family: inherit;
  display: block;
  margin: 0 auto;
}
button.toggle:hover {
  border-color: var(--cinnabar);
  color: var(--cinnabar);
  background: rgba(177, 56, 46, 0.06);
}
button.toggle.on {
  border: 2px solid var(--cinnabar);
  border-style: solid;
  background: var(--cinnabar);
  color: white;
  box-shadow: 1px 1px 0 rgba(177, 56, 46, 0.2);
}
button.toggle.on:hover {
  background: #8E2C25;
  border-color: #8E2C25;
}
button.toggle:active { transform: translateY(1px); }
table.codes-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
table.codes-table th, table.codes-table td {
  padding: 8px 12px;
  text-align: left;
  border-bottom: 1px solid var(--paper-dark);
}
table.codes-table th { background: var(--paper-dark); }
table.codes-table code {
  background: var(--ink);
  color: var(--paper);
  padding: 3px 8px;
  border-radius: 3px;
  font-family: "Courier New", monospace;
  font-size: 13px;
}