/* Global Aikido Dojo theme */
:root {
    --dojo-red: #b32121;
    --dojo-ink: #0d1b2a;
    --dojo-cream: #f7f4ef;
    --dojo-stone: #e5e1db;
    --dojo-accent: #7c0a02;
    /* Propagate Bootstrap dropdown link colors to match nav links globally */
    --bs-dropdown-link-color: var(--bs-nav-link-color);
    --bs-dropdown-link-hover-color: var(--bs-nav-link-hover-color);
}

html, body {
    font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
    color: var(--dojo-ink);
    background-image: linear-gradient(180deg, rgba(0,0,0,0.45), rgba(0,0,0,0.55)), url('/img/dojo.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-repeat: no-repeat;
}

h1, h2, h3, .brand-serif {
    font-family: 'Noto Serif JP', Georgia, 'Times New Roman', serif;
    letter-spacing: 0.2px;
}

a, .btn-link {
    color: var(--dojo-red);
}

.btn-primary {
    color: #fff;
    background: linear-gradient(180deg, var(--dojo-red), var(--dojo-accent));
    border-color: var(--dojo-accent);
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem var(--dojo-red);
}

.content {
    padding-top: 1.1rem;
}

/* Elevate reading surface on dark background */
main > .content {
    background: rgba(255,255,255,0.94);
    border-radius: 16px;
    box-shadow: 0 12px 50px rgba(0,0,0,0.28);
    margin: 1rem;
}

/* Improve legibility on hero over dark background */
.hero-content h1, .hero-content p {
    text-shadow: 0 2px 16px rgba(0,0,0,0.6);
}

/* Cards pop a bit more */
.card { background-color: #ffffff; border: 1px solid rgba(0,0,0,0.06); }
.card .card-body { color: #272727; }

h1:focus { outline: none; }

.valid.modified:not([type=checkbox]) { outline: 1px solid #26b050; }
.invalid { outline: 1px solid #e50000; }
.validation-message { color: #e50000; }

/* Error UI theming */
.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iNTYiIGhlaWdodD0iNDkiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgeG1sbnM6eGxpbms9Imh0dHA6Ly93d3cudzMub3JnLzE5OTkveGxpbmsiIG92ZXJmbG93PSJoaWRkZW4iPjxkZWZzPjxjbGlwUGF0aCBpZD0iY2xpcDAiPjxyZWN0IHg9IjIzNSIgeT0iNTEiIHdpZHRoPSI1NiIgaGVpZ2h0PSI0OSIvPjwvY2xpcFBhdGg+PC9kZWZzPjxnIGNsaXAtcGF0aD0idXJsKCNjbGlwMCkiIHRyYW5zZm9ybT0idHJhbnNsYXRlKC0yMzUgLTUxKSI+PHBhdGggZD0iTTI2My41MDYgNTFDMjY0LjcxNyA1MSAyNjUuODEzIDUxLjQ4MzcgMjY2LjYwNiA1Mi4yNjU4TDI2Ny4wNTIgNTIuNzk4NyAyNjcuNTM5IDUzLjYyODMgMjkwLjE4NSA5Mi4xODMxIDI5MC41NDUgOTIuNzk1IDI5MC42NTYgOTIuOTk2QzI5MC44NzcgOTMuNTEzIDI5MSA5NC4wODE1IDI5MSA5NC42NzgyIDI5MSA5Ny4wNjUxIDI4OS4wMzggOTkgMjg2LjYxNyA5OUwyNDAuMzgzIDk5QzIzNy45NjMgOTkgMjM2IDk3LjA2NTEgMjM2IDk0LjY3ODIgMjM2IDk0LjM3OTkgMjM2LjAzMSA5NC4wODg2IDIzNi4wODkgOTMuODA3MkwyMzYuMzM4IDkzLjAxNjIgMjM2Ljg1OCA5Mi4xMzE0IDI1OS40NzMgNTMuNjI5NCAyNTkuOTYxIDUyLjc5ODUgMjYwLjQwNyA1Mi4yNjU4QzI2MS4yIDUxLjQ4MzcgMjYyLjI5NiA1MSAyNjMuNTA2IDUxWk0yNjMuNTg2IDY2LjAxODNDMjYwLjczNyA2Ni4wMTgzIDI1OS4zMTMgNjcuMTI0NSAyNTkuMzEzIDY5LjMzNyAyNTkuMzEzIDY5LjYxMDIgMjU5LjMzMiA2OS44NjA4IDI1OS4zNzEgNzAuMDg4N0wyNjEuNzk1IDg0LjAxNjEgMjY1LjM4IDg0LjAxNjEgMjY3LjgyMSA2OS43NDc1QzI2Ny44NiA2OS43MzA5IDI2Ny44NzkgNjkuNTg3NyAyNjcuODc5IDY5LjMxNzkgMjY3Ljg3OSA2Ny4xMTgyIDI2Ni40NDggNjYuMDE4MyAyNjMuNTg2IDY2LjAxODNaTTI2My41NzYgODYuMDU0N0MyNjEuMDQ5IDg2LjA1NDcgMjU5Ljc4NiA4Ny4zMDA1IDI1OS43ODYgODkuNzkyMSAyNTkuNzg2IDkyLjI4MzcgMjYxLjA0OSA5My41Mjk1IDI2My41NzYgOTMuNTI5NSAyNjYuMTE2IDkzLjUyOTUgMjY3LjM4NyA5Mi4yODM3IDI2Ny4zODcgODkuNzkyMSAyNjcuMzg3IDg3LjMwMDUgMjY2LjExNiA4Ni4wNTQ3IDI2My41NzYgODYuMDU0N1oiIGZpbGw9IiNiMzIxMjEiIGZpbGwtcnVsZT0iZXZlbm9kZCIvPjwvZz48L3N2Zz4=) no-repeat 1rem/1.8rem, var(--dojo-red);
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}
.blazor-error-boundary::after { content: "An error has occurred." }

.darker-border-checkbox.form-check-input { border-color: #929292; }

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}
.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder { text-align: start; }

/* Utility */
.section { padding: 4rem 0; }
.hero { position: relative; min-height: 60vh; display: grid; place-items: center; }
.hero-overlay { position:absolute; inset:0; background: radial-gradient(80% 60% at 50% 40%, rgba(0,0,0,0.3), rgba(0,0,0,0.55)); }
.hero-content { position: relative; z-index: 1; color: white; text-align: center; }
.hero-content {
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 16px;
    padding: 2rem 1.5rem;
    backdrop-filter: blur(4px);
}
.hero { background-image: url('/img/2015-09-29_11-05-09.png'); background-size: cover; background-position: center; }
.divider { height: 2px; width: 80px; background: var(--dojo-red); margin: 1rem auto 0; }

/* Nafudakake Board Styles */
.nafudakake-board {
  padding: 20px;
  background: linear-gradient(135deg, #8B4513, #A0522D);
  border-radius: 8px;
  border: 3px solid #654321;
  box-shadow: inset 0 0 20px rgba(0,0,0,0.3), 0 4px 8px rgba(0,0,0,0.4);
  position: relative;
}

.nafudakake-board::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image:
    repeating-linear-gradient(90deg, transparent, transparent 2px, rgba(139, 69, 19, 0.1) 2px, rgba(139, 69, 19, 0.1) 4px),
    repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(139, 69, 19, 0.1) 2px, rgba(139, 69, 19, 0.1) 4px);
  border-radius: 5px;
  pointer-events: none;
}

.all-slats-container {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-start;
  align-items: flex-start;
  position: relative;
  z-index: 1;
}

.nafudakake-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  width: 100%;
  flex-basis: 100%;
}

.rank-divider-slat {
  padding: 15px 20px;
  text-align: center;
  font-weight: bold;
  font-size: 1.1rem;
  letter-spacing: 1px;
  border-radius: 8px;
  text-transform: uppercase;
  box-shadow: 0 3px 6px rgba(0,0,0,0.3);
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.rank-name-vertical {
  line-height: 1.3;
  font-weight: bold;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.student-slat {
  background:
    repeating-linear-gradient(
      90deg,
      transparent 0px,
      transparent 1px,
      rgba(139, 90, 43, 0.08) 1px,
      rgba(139, 90, 43, 0.08) 2px
    ),
    linear-gradient(180deg, #E8D4B8 0%, #D4B896 25%, #C4A574 50%, #B8956A 75%, #A67C52 100%);
  color: #5C4033;
  padding: 8px 10px;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
  border: 1px solid #8B6914;
  box-shadow: 0 2px 4px rgba(0,0,0,0.25), inset 0 1px 0 rgba(255,255,255,0.15), inset -1px -1px 0 rgba(0,0,0,0.08);
  text-align: center;
  min-width: 55px;
  transition: all 0.3s ease;
  position: relative;
}

.student-slat::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(105deg, transparent 40%, rgba(255,255,255,0.06) 50%, transparent 60%);
  border-radius: 3px;
  pointer-events: none;
}

.student-slat:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0,0,0,0.3), inset 0 1px 0 rgba(255,255,255,0.2);
  filter: brightness(1.05);
}

.student-slat.vertical {
  min-height: 110px;
  min-width: 32px;
  padding: 10px 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.student-name-vertical {
  line-height: 1.4;
  font-weight: 600;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.student-name-downwards {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  white-space: nowrap;
  font-weight: 600;
  color: #2c3e50;
}

.student-slat.downwards {
  min-height: 50px;
  min-width: 55px;
  padding: 6px 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.founder-slat {
  background:
    repeating-linear-gradient(90deg, transparent 0px, transparent 1px, rgba(139, 90, 43, 0.12) 1px, rgba(139, 90, 43, 0.12) 2px),
    linear-gradient(180deg, #F5E6C8 0%, #E8D4A8 25%, #D4B896 50%, #C4A574 75%, #B8956A 100%) !important;
  border: 1px solid #B8860B !important;
  box-shadow: 0 2px 4px rgba(0,0,0,0.25), inset 0 1px 0 rgba(255,255,255,0.2), 0 0 8px rgba(218,165,32,0.3) !important;
}

.lineage-slat {
  background:
    repeating-linear-gradient(90deg, transparent 0px, transparent 1px, rgba(80, 70, 60, 0.1) 1px, rgba(80, 70, 60, 0.1) 2px),
    linear-gradient(180deg, #B8A898 0%, #A89888 25%, #988878 50%, #887868 75%, #786858 100%) !important;
  border: 1px solid #6B5B4B !important;
  box-shadow: 0 2px 4px rgba(0,0,0,0.25), inset 0 1px 0 rgba(255,255,255,0.1) !important;
}

.founder-slat .student-name-vertical,
.founder-slat .student-name-downwards {
  color: #8B4513 !important;
  font-weight: 700 !important;
}

.lineage-slat .student-name-vertical,
.lineage-slat .student-name-downwards {
  color: #2F4F4F !important;
  font-weight: 600 !important;
}

@media (max-width: 768px) {
  .nafudakake-board { padding: 15px; }
  .student-slat.vertical { min-height: 100px; min-width: 28px; padding: 8px 5px; font-size: 0.75rem; }
  .student-slat.downwards { min-height: 44px; min-width: 48px; }
  .rank-divider-slat { padding: 12px 15px; font-size: 1rem; }
}