/* Cal colors: Blue #003262, Gold #FDB515 */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --cal-blue: #003262;
  --cal-gold: #FDB515;
  --cal-blue-light: #3B7EA1;
  --gray-dark: #3a3a3a;
  --gray-mid: #787c7e;
  --gray-light: #d3d6da;
  --tile-size: clamp(44px, 11vw, 62px);
  --key-height: clamp(48px, 12vw, 58px);
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

html, body {
  height: 100%;
  background: #f5f5f5;
  font-family: var(--font);
  color: var(--gray-dark);
}

/* Header */
header {
  background: var(--cal-blue);
  color: white;
  padding: 0 16px;
  height: 52px;
  display: flex;
  align-items: center;
  box-shadow: 0 2px 4px rgba(0,0,0,0.3);
}
.header-inner {
  width: 100%;
  max-width: 500px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
header h1 {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--cal-gold);
  text-transform: uppercase;
}
.header-right {
  display: flex;
  align-items: center;
  gap: 10px;
}
.username {
  font-size: 0.85rem;
  opacity: 0.85;
}
.btn-about {
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  font-size: 0.8rem;
  padding: 3px 8px;
}
.btn-about:hover { color: var(--cal-gold); }
.btn-logout {
  color: var(--cal-gold);
  text-decoration: none;
  font-size: 0.8rem;
  border: 1px solid var(--cal-gold);
  padding: 3px 8px;
  border-radius: 4px;
  background: transparent;
  cursor: pointer;
  font-family: var(--font);
}

main {
  max-width: 500px;
  margin: 0 auto;
  padding: 16px;
}

/* Messages */
.messages { margin-bottom: 12px; }
.message {
  padding: 10px 14px;
  border-radius: 6px;
  margin-bottom: 8px;
  font-size: 0.9rem;
}
.message-error { background: #fde8e8; color: #c00; border: 1px solid #f9b0b0; }

/* Login */
.login-wrap {
  max-width: 340px;
  margin: 40px auto 0;
  background: white;
  padding: 32px 28px;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.1);
}
.login-wrap h2 {
  text-align: center;
  color: var(--cal-blue);
  margin-bottom: 24px;
  font-size: 1.4rem;
}
.login-form label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-mid);
  margin-bottom: 4px;
  margin-top: 14px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.login-form input[type=text],
.login-form input[type=password] {
  width: 100%;
  padding: 10px 12px;
  border: 2px solid var(--gray-light);
  border-radius: 6px;
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s;
}
.login-form input:focus { border-color: var(--cal-blue); }
.login-form input[type=text],
.login-form input[type=password],
.login-form input[type=email] { display: block; width: 100%; }
.login-form ul { list-style: none; padding: 0; }
.field-error { color: #c00; font-size: 0.82rem; margin-top: 3px; }
.auth-switch { text-align: center; margin-top: 16px; font-size: 0.88rem; color: var(--gray-mid); }
.auth-switch a { color: var(--cal-blue); font-weight: 600; text-decoration: none; }
.auth-switch a:hover { text-decoration: underline; }
.error-msg {
  background: #fde8e8;
  color: #c00;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 0.9rem;
  margin-bottom: 10px;
}
.error-msg.hidden { display: none; }

/* Buttons */
.btn-primary {
  display: block;
  width: 100%;
  margin-top: 22px;
  padding: 12px;
  background: var(--cal-blue);
  color: white;
  font-size: 1rem;
  font-weight: 700;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: background 0.15s;
}
.btn-primary:hover { background: var(--cal-blue-light); }

/* Option select */
.select-wrap h2 {
  text-align: center;
  color: var(--cal-blue);
  margin-bottom: 16px;
  font-size: 1.3rem;
}
.direction-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}
.tab-btn {
  flex: 1;
  padding: 10px;
  background: white;
  border: 2px solid var(--gray-light);
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  color: var(--gray-dark);
}
.tab-btn.active {
  background: var(--cal-blue);
  color: white;
  border-color: var(--cal-blue);
}
.options-panel h3 {
  font-size: 0.9rem;
  color: var(--gray-mid);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.hidden { display: none !important; }

.options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 8px;
  max-height: 55vh;
  overflow-y: auto;
  padding-bottom: 4px;
}
.option-card {
  background: white;
  border: 2px solid var(--gray-light);
  border-radius: 8px;
  padding: 10px 8px;
  cursor: pointer;
  text-align: center;
  transition: all 0.15s;
}
.option-card:hover {
  border-color: var(--cal-blue-light);
  background: #f0f4ff;
}
.option-card.selected {
  border-color: var(--cal-blue);
  background: var(--cal-blue);
  color: white;
}
.option-card.selected .opt-count { color: var(--cal-gold); }
.opt-letters {
  font-weight: 800;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  word-break: break-all;
  margin-bottom: 4px;
  color: var(--cal-blue);
}
.option-card.selected .opt-letters { color: var(--cal-gold); }
.opt-detail { font-size: 0.75rem; margin-bottom: 2px; }
.opt-count { font-size: 0.7rem; color: var(--gray-mid); }

.selection-preview {
  margin-top: 16px;
  background: #eef2ff;
  border: 2px solid var(--cal-blue);
  border-radius: 8px;
  padding: 12px 16px;
  text-align: center;
}
.selection-preview p {
  font-weight: 600;
  color: var(--cal-blue);
  margin-bottom: 0;
}
.selection-preview .btn-primary {
  margin-top: 12px;
}

/* Play screen */
.play-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.game-info {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.game-badge {
  font-size: 0.75rem;
  background: var(--cal-blue);
  color: var(--cal-gold);
  padding: 4px 10px;
  border-radius: 20px;
  font-weight: 600;
  letter-spacing: 0.03em;
}
.btn-new {
  font-size: 0.8rem;
  color: var(--cal-blue);
  text-decoration: none;
  border: 1.5px solid var(--cal-blue);
  padding: 4px 10px;
  border-radius: 6px;
  font-weight: 600;
}

/* Guess grid */
.grid {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 100%;
  max-width: min(360px, 95vw);
}
.guess-row {
  display: flex;
  gap: 5px;
  justify-content: center;
}
.tile {
  width: var(--tile-size);
  height: var(--tile-size);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(1rem, 4vw, 1.5rem);
  font-weight: 800;
  border-radius: 4px;
  text-transform: uppercase;
  user-select: none;
  flex-shrink: 0;
}
.tile-empty {
  border: 2px solid var(--gray-light);
  background: white;
}
.tile-input {
  border: 2px solid var(--gray-mid);
  background: white;
  transition: border-color 0.1s;
}
.tile-correct {
  background: var(--cal-blue);
  color: white;
  border: 2px solid var(--cal-blue);
}
.tile-present {
  background: var(--cal-gold);
  color: var(--gray-dark);
  border: 2px solid var(--cal-gold);
}
.tile-absent {
  background: var(--gray-mid);
  color: white;
  border: 2px solid var(--gray-mid);
}

/* Status messages */
.status-msg {
  font-size: 1rem;
  font-weight: 700;
  padding: 10px 16px;
  border-radius: 8px;
  text-align: center;
  min-height: 0;
}
.status-won {
  background: var(--cal-blue);
  color: var(--cal-gold);
}
.status-lost {
  background: var(--gray-dark);
  color: white;
}

/* Keyboard */
.keyboard {
  width: 100%;
  max-width: 480px;
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  justify-content: center;
  padding: 4px 0;
}
.key {
  height: var(--key-height);
  min-width: clamp(28px, 7vw, 42px);
  padding: 0 4px;
  border: none;
  border-radius: 6px;
  font-size: clamp(0.75rem, 2.5vw, 1rem);
  font-weight: 700;
  cursor: pointer;
  text-transform: uppercase;
  flex-shrink: 0;
  transition: background 0.15s, transform 0.05s;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}
.key:active { transform: scale(0.93); }

.key-unused   { background: var(--gray-light); color: var(--gray-dark); }
.key-absent   { background: var(--gray-mid);   color: white; }
.key-present  { background: var(--cal-gold);   color: var(--gray-dark); }
.key-correct  { background: var(--cal-blue);   color: white; }
.key-action   { background: var(--gray-light); color: var(--gray-dark); min-width: clamp(40px, 9vw, 54px); font-size: 1.1rem; }
.key-enter    { background: var(--cal-blue);   color: var(--cal-gold);  min-width: clamp(50px, 11vw, 68px); font-size: 0.75rem; letter-spacing: 0.05em; }

/* About page */
.about-wrap { max-width: 560px; margin: 0 auto; }
.about-wrap h2 { color: var(--cal-blue); margin-bottom: 16px; font-size: 1.4rem; }
.about-wrap h3 { color: var(--cal-blue); margin: 24px 0 8px; font-size: 1rem; text-transform: uppercase; letter-spacing: 0.05em; }
.about-wrap p, .about-wrap li { font-size: 0.95rem; line-height: 1.6; color: var(--gray-dark); }
.about-wrap ul { padding-left: 20px; margin-bottom: 8px; }
.about-wrap a { color: var(--cal-blue); }
.tile-legend { display: flex; flex-direction: column; gap: 10px; margin: 12px 0; }
.legend-row { display: flex; align-items: center; gap: 12px; }
.legend-row .tile { width: 40px; height: 40px; font-size: 1rem; flex-shrink: 0; }
.legend-row span { font-size: 0.9rem; }
.credit-block { background: #f5f7ff; border-left: 3px solid var(--cal-blue); padding: 12px 16px; border-radius: 0 6px 6px 0; margin: 10px 0; }
.credit-block p { margin: 0; font-size: 0.88rem; line-height: 1.7; }
.btn-back { display: inline-block; margin-top: 24px; color: var(--cal-blue); text-decoration: none; font-weight: 600; font-size: 0.9rem; }
.btn-back:hover { text-decoration: underline; }