/* Daily Routines · Sentence Builder — Grammar green theme */

* { box-sizing: border-box; }

:root {
  --dr-green: #079d73;
  --dr-green-dark: #068a64;
  --dr-green-soft: #eaf8f4;
  --dr-green-border: #dcefe9;
  --dr-text: #202636;
  --dr-muted: #687184;
  --dr-card: #ffffff;
  --dr-bg: #f6fbf9;
  --dr-radius: 18px;
  --dr-shadow: 0 12px 32px rgba(7, 157, 115, 0.1);
}

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--dr-bg);
  color: var(--dr-text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

.hidden { display: none !important; }

/* Header */
.game-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 20px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--dr-green-border);
  position: sticky;
  top: 0;
  z-index: 40;
}

.back-button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid var(--dr-green-border);
  background: #fff;
  color: var(--dr-text);
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.back-button:hover {
  border-color: var(--dr-green);
  box-shadow: 0 6px 16px rgba(7, 157, 115, 0.12);
  transform: translateY(-1px);
}

.game-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.game-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--dr-green);
  color: #fff;
  font-size: 20px;
}

.game-title-text h1 {
  margin: 0;
  font-size: 16px;
  font-weight: 800;
}

.game-title-text p {
  margin: 2px 0 0;
  font-size: 11px;
  color: var(--dr-muted);
}

.header-right { width: 90px; }

/* Layout */
.game-container {
  width: min(720px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 48px;
}

.screen { animation: fadeIn 0.35s ease; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Home */
.home-card {
  background: var(--dr-card);
  border: 1px solid var(--dr-green-border);
  border-radius: 24px;
  box-shadow: var(--dr-shadow);
  padding: 40px 32px;
  text-align: center;
}

.home-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 12px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: var(--dr-green);
  color: #fff;
  font-size: 26px;
  box-shadow: 0 10px 22px rgba(7, 157, 115, 0.28);
}

.eyebrow {
  display: inline-block;
  color: var(--dr-green);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 1.4px;
}

.home-card h2 {
  margin: 10px 0 12px;
  font-size: clamp(28px, 5vw, 36px);
  letter-spacing: -0.8px;
}

.lead {
  margin: 0 auto 18px;
  max-width: 420px;
  color: var(--dr-muted);
  font-size: 15px;
  line-height: 1.65;
}

.lead strong { color: var(--dr-green); }

.adverb-chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-bottom: 26px;
}

.adverb-chips span {
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--dr-green-soft);
  color: var(--dr-green-dark);
  font-size: 13px;
  font-weight: 700;
}

/* Buttons */
.main-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 50px;
  padding: 0 28px;
  border: none;
  border-radius: 14px;
  background: linear-gradient(135deg, #0bb881, #079d73);
  color: #fff;
  font-size: 14px;
  font-weight: 850;
  cursor: pointer;
  box-shadow: 0 10px 24px rgba(7, 157, 115, 0.28);
  transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease;
}

.main-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(7, 157, 115, 0.34);
  filter: brightness(1.03);
}

.main-btn:active { transform: translateY(0); }

.ghost-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 12px;
  border: 1px solid var(--dr-green-border);
  background: #fff;
  color: var(--dr-muted);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}

.ghost-btn:hover {
  border-color: var(--dr-green);
  color: var(--dr-green-dark);
  background: var(--dr-green-soft);
}

.clear-btn { margin: 8px 0 18px; }

/* Play top */
.play-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.mode-label {
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 1.2px;
  color: var(--dr-green);
}

.score-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--dr-green-border);
  font-size: 14px;
  box-shadow: 0 4px 12px rgba(7, 157, 115, 0.08);
}

.progress-track {
  height: 8px;
  border-radius: 999px;
  background: #e5efe9;
  overflow: hidden;
  margin-bottom: 20px;
}

.progress-fill {
  height: 100%;
  width: 0%;
  border-radius: 999px;
  background: linear-gradient(90deg, #0bb881, #079d73);
  transition: width 0.4s ease;
}

/* Prompt */
.prompt-card {
  background: #fff;
  border: 1px solid var(--dr-green-border);
  border-radius: var(--dr-radius);
  padding: 20px 22px;
  margin-bottom: 20px;
  box-shadow: var(--dr-shadow);
}

.prompt-hint {
  margin: 0 0 6px;
  font-size: 12px;
  font-weight: 700;
  color: var(--dr-green);
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

.prompt-text {
  margin: 0;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.4px;
}

.build-label {
  font-size: 12px;
  font-weight: 800;
  color: var(--dr-muted);
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Answer + bank */
.answer-slots,
.word-bank {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  min-height: 56px;
  padding: 14px;
  border-radius: 16px;
  background: #fff;
  border: 2px dashed var(--dr-green-border);
  transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.answer-slots {
  margin-bottom: 4px;
  min-height: 72px;
  border-style: solid;
  box-shadow: 0 6px 18px rgba(7, 157, 115, 0.06);
}

.answer-slots.drag-over,
.word-bank.drag-over {
  border-color: var(--dr-green);
  background: var(--dr-green-soft);
}

.answer-slots.correct {
  border-color: var(--dr-green);
  background: #f0fdf7;
  animation: pulseOk 0.45s ease;
}

.answer-slots.wrong {
  border-color: #e11d48;
  background: #fff1f2;
  animation: shake 0.4s ease;
}

@keyframes pulseOk {
  0% { transform: scale(1); }
  50% { transform: scale(1.015); }
  100% { transform: scale(1); }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}

/* Word chips */
.word-chip {
  appearance: none;
  border: 1px solid var(--dr-green-border);
  background: #fff;
  color: var(--dr-text);
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 750;
  cursor: pointer;
  box-shadow: 0 3px 0 #d5e8df, 0 6px 14px rgba(7, 157, 115, 0.08);
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.15s ease, border-color 0.15s ease;
  opacity: 0;
  transform: translateY(8px) scale(0.96);
}

.word-chip.chip-in {
  opacity: 1;
  transform: translateY(0) scale(1);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.word-chip:hover {
  border-color: var(--dr-green);
  background: var(--dr-green-soft);
  transform: translateY(-2px);
}

.word-chip:active {
  transform: translateY(1px);
  box-shadow: 0 1px 0 #d5e8df;
}

.word-chip.in-answer {
  background: linear-gradient(180deg, #12c48f, #079d73);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 0 #057a58, 0 8px 16px rgba(7, 157, 115, 0.25);
}

.word-chip.in-answer:hover {
  filter: brightness(1.05);
  background: linear-gradient(180deg, #14d49a, #08ad7e);
}

.word-chip.chip-pop {
  animation: chipPop 0.22s ease;
}

@keyframes chipPop {
  0% { transform: scale(0.9); }
  60% { transform: scale(1.06); }
  100% { transform: scale(1); }
}

.word-chip.chip-correct {
  background: linear-gradient(180deg, #12c48f, #079d73) !important;
  color: #fff !important;
}

.word-chip.chip-wrong {
  background: #fff1f2 !important;
  border-color: #fb7185 !important;
  color: #be123c !important;
  box-shadow: none !important;
}

.word-chip.dragging {
  opacity: 0.55;
}

/* Feedback */
.feedback {
  min-height: 28px;
  margin-top: 14px;
  font-size: 15px;
  font-weight: 750;
  text-align: center;
}

.feedback.ok { color: var(--dr-green-dark); }
.feedback.bad { color: #e11d48; }

/* Result */
.result-card {
  background: #fff;
  border: 1px solid var(--dr-green-border);
  border-radius: 24px;
  box-shadow: var(--dr-shadow);
  padding: 36px 28px;
  text-align: center;
}

.result-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 10px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: var(--dr-green-soft);
  font-size: 28px;
}

.result-card h2 {
  margin: 8px 0 18px;
  font-size: 30px;
}

.final-score {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 28px;
  border-radius: 16px;
  background: var(--dr-green-soft);
  margin-bottom: 18px;
}

.final-score span {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--dr-green);
}

.final-score strong {
  font-size: 32px;
  color: var(--dr-green-dark);
}

.result-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 24px;
}

.result-stats div {
  padding: 12px 8px;
  border-radius: 12px;
  background: #f8faf9;
  border: 1px solid #e8eee9;
}

.result-stats span {
  display: block;
  font-size: 11px;
  color: var(--dr-muted);
  font-weight: 700;
  margin-bottom: 4px;
}

.result-stats strong { font-size: 18px; }

.result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.site-footer {
  text-align: center;
  padding: 20px;
  color: #8a938c;
  font-size: 12px;
  border-top: 1px solid var(--dr-green-border);
}

@media (max-width: 560px) {
  .game-container { width: min(100% - 20px, 720px); padding-top: 18px; }
  .home-card, .result-card { padding: 28px 18px; }
  .prompt-text { font-size: 18px; }
  .word-chip { padding: 11px 14px; font-size: 14px; }
  .header-right { display: none; }
}

/* =====================================================
   PHONE: fixed play screen + bigger word chips
===================================================== */
@media (max-width: 700px) {
  html, body {
    height: 100%;
    height: 100dvh;
  }

  body {
    display: flex;
    flex-direction: column;
    overflow: hidden;
  }

  .game-header {
    flex: 0 0 auto;
    padding: 10px 12px;
    padding-top: max(10px, env(safe-area-inset-top, 0px));
  }

  .game-icon {
    width: 36px;
    height: 36px;
    font-size: 17px;
    border-radius: 10px;
  }

  .game-title-text h1 { font-size: 14px; }
  .game-title-text p { font-size: 10px; }

  .back-button {
    padding: 8px 10px;
    font-size: 12px;
    border-radius: 10px;
  }

  .site-footer { display: none; }

  .game-container {
    flex: 1 1 auto;
    min-height: 0;
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 10px 12px 12px;
    padding-bottom: max(12px, env(safe-area-inset-bottom, 0px));
    display: flex;
    flex-direction: column;
    overflow: hidden;
  }

  /* Home / result can scroll if needed */
  #homeScreen,
  #resultScreen {
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .home-card,
  .result-card {
    padding: 24px 16px;
    border-radius: 20px;
  }

  /* Game screen: fixed viewport layout */
  #gameScreen.screen:not(.hidden) {
    flex: 1 1 auto;
    min-height: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: none;
  }

  .play-top {
    flex: 0 0 auto;
    margin-bottom: 8px;
  }

  .progress-track {
    flex: 0 0 auto;
    margin-bottom: 10px;
  }

  .prompt-card {
    flex: 0 0 auto;
    padding: 14px 14px;
    margin-bottom: 10px;
    border-radius: 14px;
  }

  .prompt-text {
    font-size: 17px;
  }

  .build-label {
    flex: 0 0 auto;
    margin-bottom: 6px;
    font-size: 11px;
  }

  .answer-slots {
    flex: 0 0 auto;
    min-height: 64px;
    max-height: 30vh;
    overflow-y: auto;
    padding: 12px;
    gap: 8px;
  }

  .clear-btn {
    flex: 0 0 auto;
    margin: 6px 0 8px;
    min-height: 40px;
    align-self: flex-start;
  }

  .word-bank {
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: 12px;
    gap: 10px;
    align-content: flex-start;
  }

  .feedback {
    flex: 0 0 auto;
    min-height: 24px;
    margin-top: 8px;
    font-size: 14px;
  }

  /* Bigger touch targets */
  .word-chip {
    min-height: 48px;
    padding: 14px 18px;
    font-size: 16px;
    border-radius: 14px;
  }

  .main-btn {
    min-height: 52px;
    width: 100%;
    max-width: 320px;
    font-size: 15px;
  }
}


/* ========== UNIFIED GRAMMAR BACK BUTTON ========== */
.back-button,
a.back-button,
button.back-button,
.arcade-back-btn.back-button,
.arcade-back-btn {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 6px !important;
  height: auto !important;
  min-height: 40px !important;
  padding: 10px 14px !important;
  border-radius: 12px !important;
  border: 1px solid #dcefe9 !important;
  background: #ffffff !important;
  color: #202636 !important;
  text-decoration: none !important;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif !important;
  font-size: 13px !important;
  font-weight: 700 !important;
  line-height: 1.2 !important;
  letter-spacing: 0 !important;
  white-space: nowrap !important;
  cursor: pointer !important;
  box-shadow: none !important;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease !important;
}

.back-button:hover,
a.back-button:hover,
button.back-button:hover,
.arcade-back-btn:hover {
  border-color: #079d73 !important;
  background: #ffffff !important;
  color: #202636 !important;
  box-shadow: 0 6px 16px rgba(7, 157, 115, 0.12) !important;
  transform: translateY(-1px) !important;
  filter: none !important;
}

.back-button:focus-visible,
.arcade-back-btn:focus-visible {
  outline: 3px solid rgba(7, 157, 115, 0.28) !important;
  outline-offset: 2px !important;
}

html[data-theme="dark"] .back-button,
html[data-theme="dark"] .arcade-back-btn,
body:not(.light-mode) .back-button,
body.dark-mode .back-button {
  background: #17201c !important;
  border-color: #24463b !important;
  color: #eef5f1 !important;
}

html[data-theme="dark"] .back-button:hover,
body:not(.light-mode) .back-button:hover,
body.dark-mode .back-button:hover {
  border-color: #079d73 !important;
  box-shadow: 0 6px 16px rgba(7, 157, 115, 0.2) !important;
}

@media (max-width: 700px) {
  .back-button,
  .arcade-back-btn {
    padding: 8px 12px !important;
    font-size: 12px !important;
    min-height: 36px !important;
    border-radius: 10px !important;
  }
}
/* ========== END UNIFIED BACK BUTTON ========== */