/* ═══════════════════════════════════════════════════════════
   shared.css — design system for littlemaze, Letter³, Braid
   ═══════════════════════════════════════════════════════════ */

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
button, a { touch-action: manipulation; }

/* ── Light theme tokens ── */
:root {
  --bg: #ffffff;
  --surface: #ffffff;
  --surface2: #f2f1ef;
  --border: rgba(0,0,0,0.10);
  --border2: rgba(0, 0, 0, 0.5);
  --text: #161513;
  --text2: #2f2e2b;
  --text3: #8a8880;
  --green: #3B6D11;
  --green-light: #EAF3DE;
  --green-border: #97C459;
  --green-dark: #27500A;
  --radius: 10px;
  --radius-lg: 16px;
  /* Amber palette (dead-ends, warnings) */
  --amber-bg: #FAEEDA;
  --amber-border: #EF9F27;
  --amber-text: #633806;
  --amber-text2: #854F0B;
  --amber-stroke: #BA7517;
  --amber-word: #412402;
  /* Map / SVG palette (littlemaze journey map) */
  --map-bg: #FAF7F2;
  --map-ring: #E8E4DC;
  --map-sol-stroke: #639922;
  --map-explored-fill: #f5f3ef;
  --map-explored-stroke: #c8c5be;
  --map-explored-text: #7a786f;
  --map-de-fill: #f0ede6;
  --map-de-stroke: #B4B2A9;
  --map-de-text: #888780;
  --map-edge-neutral: #a09e98;
  --map-real-label: #854F0B;
  /* Overlay */
  --overlay-bg: rgba(0,0,0,0.35);
  --overlay-card-bg: var(--bg);
  /* Gray (tiles, nodes) */
  --gray-node: #F7F5F0;
  --gray-border: #B4B2A9;
}

/* ── Dark theme tokens ── */
[data-theme="dark"] {
  --bg: #1a1916;
  --surface: #242220;
  --surface2: #2e2c28;
  --border: rgba(255,255,255,0.08);
  --border2: rgba(255,255,255,0.2);
  --text: #e8e4dc;
  --text2: #c8c4bb;
  --text3: #7a776e;
  --green: #7CBF3A;
  --green-light: #2a3520;
  --green-border: #5A9A1E;
  --green-dark: #A8DE6A;
  --amber-bg: #3a2e1a;
  --amber-border: #A06510;
  --amber-text: #E0B870;
  --amber-text2: #D4A04A;
  --amber-stroke: #C08020;
  --amber-word: #E0B870;
  --map-bg: #22201c;
  --map-ring: #333028;
  --map-sol-stroke: #7CBF3A;
  --map-explored-fill: #2a2824;
  --map-explored-stroke: #504d44;
  --map-explored-text: #8a8780;
  --map-de-fill: #2e2a22;
  --map-de-stroke: #605c50;
  --map-de-text: #908a7a;
  --map-edge-neutral: #605c50;
  --map-real-label: #D4A04A;
  --overlay-bg: rgba(0,0,0,0.55);
  --overlay-card-bg: #242220;
  --gray-node: #2e2c28;
  --gray-border: #555249;
}


/* ══════════════════════════════════════════════════════════════
   BASE
   ══════════════════════════════════════════════════════════════ */

html, body { height: 100%; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 16px;
  transition: background 0.25s, color 0.25s;
}


/* ══════════════════════════════════════════════════════════════
   HEADER — logo, dropdown, header-right buttons
   ══════════════════════════════════════════════════════════════ */

.site-header {
  width: 100%; max-width: 480px;
  display: flex; align-items: center;
  justify-content: space-between;
  padding: 24px 0 18px;
  border-bottom: 0.5px solid var(--border2);
  margin-bottom: 28px; flex-shrink: 0;
}

.logo {
  font-family: 'DM Serif Display', serif;
  font-size: 24px; letter-spacing: -0.3px;
  color: var(--text); font-weight: 400;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  position: relative;
  user-select: none;
}
.logo:hover { color: var(--text2); }
.logo em { font-style: italic; color: var(--text2); }

.logo-chevron {
  font-size: 16px;
  color: var(--text3);
  transition: transform 0.2s;
}
.logo.open .logo-chevron {
  transform: rotate(180deg);
}

/* ── Game-switcher dropdown ── */
.puzzle-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: var(--bg);
  border: 0.5px solid var(--border2);
  border-radius: var(--radius);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  min-width: 180px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity 0.2s, transform 0.2s;
  z-index: 100;
}
.puzzle-dropdown.show {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}

.puzzle-option {
  padding: 12px 16px;
  cursor: pointer;
  transition: background 0.15s;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
  font-family: 'DM Sans', sans-serif;
  font-style: normal;
  color: var(--text2);
}
.puzzle-option:first-child {
  border-radius: var(--radius) var(--radius) 0 0;
}
.puzzle-option:last-child {
  border-radius: 0 0 var(--radius) var(--radius);
}
.puzzle-option:hover {
  background: var(--surface2);
}
.puzzle-option.current {
  color: var(--text);
  font-weight: 500;
}
.puzzle-option .checkmark {
  color: var(--green);
  font-size: 16px;
  opacity: 0;
}
.puzzle-option.current .checkmark {
  opacity: 1;
}

.header-right {
  display: flex; align-items: center; gap: 6px;
}


/* ── Header icon buttons ── */
.hdr-btn {
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 0.5px solid var(--border2);
  background: none;
  color: var(--text3);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.15s, color 0.15s;
  flex-shrink: 0;
  padding: 0;
  font-size: inherit;
}
.hdr-btn svg { width: 16px; height: 16px; }
@media (hover: hover) and (pointer: fine) {
  .hdr-btn:hover { background: var(--surface2); color: var(--text); }
}


/* ══════════════════════════════════════════════════════════════
   TILES — shared letter-tile styling
   ══════════════════════════════════════════════════════════════ */

.tile {
  border-radius: var(--radius);
  border: 0.5px solid var(--border2);
  background: var(--surface);
  display: flex; align-items: center; justify-content: center;
  font-family: 'DM Serif Display', serif;
  font-size: 24px; font-weight: 400;
  color: var(--text);
  transition: all 0.15s;
  user-select: none;
}
.tile.filled { background: var(--surface2); }
.tile.win {
  background: var(--green-light);
  border-color: var(--green-border);
  color: var(--green);
  animation: pop 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes pop {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.16); }
  100% { transform: scale(1); }
}


/* ══════════════════════════════════════════════════════════════
   BUTTONS — shared button base + green variant
   ══════════════════════════════════════════════════════════════ */

.btn {
  padding: 10px 20px;
  font-size: 14px;
  font-family: 'DM Sans', sans-serif;
  font-weight: 500;
  background: var(--surface);
  border: 0.5px solid var(--border2);
  border-radius: var(--radius);
  cursor: pointer;
  color: var(--text);
  transition: all 0.15s;
}
.btn:hover { background: var(--surface2); }
.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-green {
  background: var(--green-light);
  border-color: var(--green-border);
  color: var(--green);
}
.btn-green:hover { background: var(--green-light); opacity: 0.9; }

.btn-primary {
  font-family: 'DM Sans', sans-serif;
  font-size: 16px; font-weight: 500;
  background: var(--green); color: #fff;
  border: none; border-radius: var(--radius);
  padding: 15px 48px; cursor: pointer;
  letter-spacing: 0.1px; transition: opacity 0.15s;
}
.btn-primary:active { opacity: 0.85; }


/* ══════════════════════════════════════════════════════════════
   OVERLAYS & MODALS
   ══════════════════════════════════════════════════════════════ */

.overlay {
  position: fixed; inset: 0;
  background: var(--overlay-bg);
  z-index: 200;
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s;
}
.overlay.show { opacity: 1; pointer-events: all; }

.modal {
  background: var(--overlay-card-bg);
  border-radius: var(--radius-lg);
  border: 0.5px solid var(--border2);
  padding: 32px 28px 28px;
  max-width: 380px; width: 100%;
  max-height: 85vh; overflow-y: auto;
  position: relative;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.modal-title {
  font-family: 'DM Serif Display', serif;
  font-size: 22px; font-weight: 400;
  color: var(--text);
}

.modal-close {
  width: 30px; height: 30px;
  border-radius: 50%;
  border: 0.5px solid var(--border2);
  background: var(--surface);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; color: var(--text3);
  transition: background 0.15s;
  padding: 0;
}
.modal-close:hover { background: var(--surface2); color: var(--text); }

.modal-content {
  color: var(--text2);
  font-size: 14px;
  line-height: 1.65;
}
.modal-content p { margin-bottom: 10px; }
.modal-content strong { color: var(--text); font-weight: 500; }
.modal-content h3 {
  font-family: 'DM Sans', sans-serif;
  font-size: 14px; font-weight: 500;
  color: var(--text);
  margin: 16px 0 8px 0;
}
.modal-content h3:first-child { margin-top: 0; }
.modal-content ul { margin: 8px 0; padding-left: 20px; }
.modal-content li { margin: 4px 0; }

.modal-footer { margin-top: 22px; text-align: center; }


/* ══════════════════════════════════════════════════════════════
   WIN SCREEN — shared win-message pattern
   ══════════════════════════════════════════════════════════════ */

.win-message {
  background: var(--bg);
  padding: 40px;
  border-radius: var(--radius-lg);
  border: 0.5px solid var(--border2);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
  text-align: center;
  max-width: 340px;
  width: 90%;
}

.win-word {
  font-family: 'DM Serif Display', serif;
  font-size: 32px; color: var(--text); font-weight: 400;
  margin-bottom: 20px; letter-spacing: 0.5px;
}

.win-stats {
  display: flex; flex-direction: column; gap: 8px;
}

.win-sub {
  font-size: 15px; color: var(--text2);
}

.win-category {
  font-size: 18px; font-weight: 500;
  padding: 8px 16px; border-radius: var(--radius); margin-top: 4px;
}
.win-category.excellent {
  background: var(--green-light); color: var(--green);
}
.win-category.good {
  background: var(--surface2); color: var(--text);
}
.win-category.ok {
  background: var(--surface2); color: var(--text2);
}
.win-category.practice {
  background: var(--surface2); color: var(--text3);
}


/* ══════════════════════════════════════════════════════════════
   CONTROLS ROW
   ══════════════════════════════════════════════════════════════ */

.controls {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 20px;
}


/* ══════════════════════════════════════════════════════════════
   UTILITIES
   ══════════════════════════════════════════════════════════════ */

/* Divider */
.divider {
  border: none;
  border-top: 0.5px solid var(--border2);
  margin: 0 0 1rem;
  width: 100%;
}

/* Section label */
.section-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text3);
  margin-bottom: 8px;
}

/* Animations */
@keyframes rise {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes modalIn  { from { opacity: 0; } to { opacity: 1; } }
@keyframes modalOut { from { opacity: 1; } to { opacity: 0; } }
@keyframes modalSlide {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}