/* ===== CSS Reset & Base ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-earth: #5C4033;
  --color-earth-light: #8B6914;
  --color-green: #4A7C59;
  --color-green-dark: #3A6349;
  --color-blue: #34A7C1;
  --color-blue-dark: #2A8A9F;
  --color-purple: #7B68AE;
  --color-purple-dark: #6454A0;
  --color-orange: #D4883A;
  --color-orange-dark: #B8732E;
  --color-red: #C0392B;
  --color-bg: #FAF8F5;
  --color-card: #FFFFFF;
  --color-text: #3B3B3B;
  --color-text-light: #6B6B6B;
  --color-border: #E0D8CF;
  --font-serif: 'Georgia', 'Bodoni MT', Didot, 'Hoefler Text', Garamond, serif;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
  --radius: 12px;
  --radius-sm: 8px;
}

body {
  font-family: var(--font-serif);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  font-size: 17px;
}

/* ===== Navigation ===== */
.nav {
  background-color: var(--color-earth);
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-md);
}

.nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  max-width: 900px;
  margin: 0 auto;
  padding: 0;
}

.nav li {
  margin: 0;
}

.nav a {
  text-decoration: none;
  color: rgba(255,255,255,0.85);
  display: block;
  padding: 14px 20px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.5px;
  transition: all 0.3s ease;
}

.nav a:hover {
  background-color: rgba(255,255,255,0.1);
  color: #fff;
}

/* ===== Header / Hero ===== */
.hero {
  text-align: center;
  padding: 40px 20px 30px;
  max-width: 700px;
  margin: 0 auto;
}

.hero img {
  max-width: 100%;
  width: 400px;
  height: auto;
  margin-bottom: 16px;
}

.hero .tagline {
  font-size: 19px;
  color: var(--color-text-light);
  font-style: italic;
  margin-bottom: 0;
}

/* ===== Main Content ===== */
.container {
  max-width: 700px;
  margin: 0 auto;
  padding: 0 20px 60px;
}

/* ===== Section Cards ===== */
.seed-section {
  background: var(--color-card);
  border-radius: var(--radius);
  padding: 32px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}

.seed-section h2 {
  font-family: var(--font-serif);
  font-size: 22px;
  margin-bottom: 8px;
  color: var(--color-text);
}

.seed-section .description {
  font-size: 15px;
  color: var(--color-text-light);
  margin-bottom: 20px;
  line-height: 1.5;
}

.seed-section .description a {
  color: var(--color-blue-dark);
  text-decoration: underline;
  text-decoration-style: dotted;
  text-underline-offset: 2px;
}

.seed-section .description a:hover {
  color: var(--color-blue);
}

/* ===== Buttons ===== */
.seed-btn {
  display: inline-block;
  padding: 14px 32px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  cursor: pointer;
  transition: all 0.2s ease;
  letter-spacing: 0.3px;
}

.seed-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.seed-btn--setting {
  background-color: var(--color-blue);
}
.seed-btn--setting:hover {
  background-color: var(--color-blue-dark);
}

.seed-btn--type {
  background-color: var(--color-purple);
}
.seed-btn--type:hover {
  background-color: var(--color-purple-dark);
}

.seed-btn--theme {
  background-color: var(--color-orange);
}
.seed-btn--theme:hover {
  background-color: var(--color-orange-dark);
}

.seed-btn--habit {
  background-color: var(--color-green);
}
.seed-btn--habit:hover {
  background-color: var(--color-green-dark);
}

.seed-btn--generate-all {
  background-color: var(--color-earth);
  padding: 16px 40px;
  font-size: 18px;
  width: 100%;
}
.seed-btn--generate-all:hover {
  background-color: var(--color-earth-light);
}

/* ===== Setting Options (City/State Toggle) ===== */
.setting-options {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  justify-content: center;
}

.setting-option {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--color-text-light);
}

.setting-option input[type="radio"] {
  accent-color: var(--color-blue);
  width: 18px;
  height: 18px;
  cursor: pointer;
}

/* ===== Seed Results ===== */
.seed-result {
  margin-top: 20px;
  padding: 20px 24px;
  background: linear-gradient(135deg, #f8f6f3 0%, #f0ede8 100%);
  border-radius: var(--radius-sm);
  border-left: 4px solid var(--color-earth);
  display: none;
  animation: fadeIn 0.4s ease;
}

.seed-result.visible {
  display: block;
}

.seed-result .result-text {
  font-size: 19px;
  font-style: italic;
  color: var(--color-text);
  line-height: 1.5;
  margin-bottom: 8px;
}

.seed-result .result-detail {
  font-size: 14px;
  color: var(--color-text-light);
  font-family: var(--font-sans);
  line-height: 1.5;
}

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

/* ===== Generate All Result ===== */
.combined-result {
  margin-top: 20px;
  padding: 24px;
  background: linear-gradient(135deg, var(--color-earth) 0%, #6B4E37 100%);
  border-radius: var(--radius-sm);
  color: #fff;
  display: none;
  animation: fadeIn 0.4s ease;
}

.combined-result.visible {
  display: block;
}

.combined-result .result-line {
  font-size: 18px;
  font-style: italic;
  margin-bottom: 8px;
  line-height: 1.5;
}

.combined-result .result-line:last-child {
  margin-bottom: 0;
}

.combined-result .result-detail {
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  font-family: var(--font-sans);
  margin-top: 4px;
  font-style: normal;
}

/* ===== Habit Section ===== */
.habit-controls {
  display: flex;
  align-items: center;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.mode-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--color-text-light);
}

.mode-toggle-switch {
  position: relative;
  width: 52px;
  height: 28px;
}

.mode-toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.mode-toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: #ccc;
  border-radius: 28px;
  transition: 0.3s;
}

.mode-toggle-slider:before {
  content: "";
  position: absolute;
  height: 22px;
  width: 22px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  border-radius: 50%;
  transition: 0.3s;
}

.mode-toggle-switch input:checked + .mode-toggle-slider {
  background-color: var(--color-green);
}

.mode-toggle-switch input:checked + .mode-toggle-slider:before {
  transform: translateX(24px);
}

.mode-label {
  font-weight: 600;
  min-width: 60px;
}

.mode-label--active {
  color: var(--color-green);
}

.reset-all-btn {
  padding: 10px 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-text-light);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.reset-all-btn:hover {
  background: #f5f0eb;
  border-color: var(--color-red);
  color: var(--color-red);
}

/* ===== Habit Cards ===== */
.habit-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 20px;
  display: none;
}

.habit-cards.visible {
  display: grid;
}

.habit-card {
  background: #f8f6f3;
  border-radius: var(--radius-sm);
  padding: 20px 16px;
  text-align: center;
  border: 2px solid transparent;
  transition: all 0.2s ease;
  cursor: pointer;
}

.habit-card:hover {
  border-color: var(--color-green);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.habit-card.active {
  border-color: var(--color-green);
  background: #eef7f0;
}

.habit-card.completed {
  border-color: #ccc;
  background: #f0f0f0;
  opacity: 0.7;
  cursor: pointer;
  transform: none;
}

.habit-card.completed:hover {
  border-color: var(--color-green);
  opacity: 1;
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.habit-card .habit-icon {
  font-size: 28px;
  margin-bottom: 6px;
}

.habit-card .habit-name {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
}

.habit-card .habit-status {
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--color-text-light);
  margin-top: 4px;
}

/* ===== Timer ===== */
.timer-area {
  margin-top: 20px;
  text-align: center;
  display: none;
}

.timer-area.visible {
  display: block;
}

.timer-display {
  font-family: var(--font-sans);
  font-size: 56px;
  font-weight: 700;
  color: var(--color-green);
  letter-spacing: 2px;
  margin: 16px 0;
}

.timer-label {
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 8px;
}

.timer-buttons {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-top: 16px;
}

.timer-btn {
  padding: 10px 24px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.timer-btn--start {
  background-color: var(--color-green);
  color: #fff;
}
.timer-btn--start:hover {
  background-color: var(--color-green-dark);
}

.timer-btn--skip {
  background-color: #e0d8cf;
  color: var(--color-text);
}
.timer-btn--skip:hover {
  background-color: #d0c8bf;
}

.timer-btn--done {
  background-color: var(--color-green);
  color: #fff;
}
.timer-btn--done:hover {
  background-color: var(--color-green-dark);
}

.timer-btn--another {
  background-color: var(--color-blue);
  color: #fff;
}
.timer-btn--another:hover {
  background-color: var(--color-blue-dark);
}

.timer-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ===== Score & Log ===== */
.score-section {
  background: var(--color-card);
  border-radius: var(--radius);
  padding: 24px 32px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  text-align: center;
}

.score-display {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.score-number {
  font-size: 48px;
  font-weight: 700;
  color: var(--color-green);
  font-family: var(--font-sans);
  line-height: 1;
}

.score-label {
  font-size: 14px;
  color: var(--color-text-light);
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.streak-info {
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--color-text-light);
  margin-top: 12px;
}

.log-section {
  background: var(--color-card);
  border-radius: var(--radius);
  padding: 24px 32px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}

.log-section h2 {
  font-size: 20px;
  margin-bottom: 16px;
}

.log-entries {
  list-style: none;
}

.log-entry {
  padding: 10px 0;
  border-bottom: 1px solid #f0ede8;
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--color-text-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.log-entry:last-child {
  border-bottom: none;
}

.log-entry .log-habit {
  font-weight: 600;
  color: var(--color-text);
}

.log-entry .log-time {
  font-size: 12px;
  color: #aaa;
}

.log-empty {
  font-family: var(--font-sans);
  font-size: 14px;
  color: #bbb;
  font-style: italic;
  padding: 12px 0;
}

.clear-log-btn {
  margin-top: 12px;
  padding: 6px 16px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: transparent;
  color: var(--color-text-light);
  font-family: var(--font-sans);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s;
}

.clear-log-btn:hover {
  background: #f5f0eb;
  border-color: #ccc;
}

/* ===== Process Section ===== */
.process-section {
  background: var(--color-card);
  border-radius: var(--radius);
  padding: 32px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  text-align: center;
}

.process-section h2 {
  font-size: 20px;
  margin-bottom: 16px;
}

.process-section img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
}

/* ===== Footer ===== */
.footer {
  text-align: center;
  padding: 30px 20px;
  color: var(--color-text-light);
  font-family: var(--font-sans);
  font-size: 13px;
  border-top: 1px solid var(--color-border);
  max-width: 700px;
  margin: 0 auto;
}

/* ===== Responsive ===== */
@media screen and (max-width: 600px) {
  .nav ul {
    flex-wrap: wrap;
    justify-content: center;
  }

  .nav a {
    padding: 10px 14px;
    font-size: 13px;
  }

  .hero {
    padding: 24px 16px 20px;
  }

  .hero img {
    width: 280px;
  }

  .hero .tagline {
    font-size: 16px;
  }

  .container {
    padding: 0 12px 40px;
  }

  .seed-section {
    padding: 24px 20px;
  }

  .seed-section h2 {
    font-size: 19px;
  }

  .seed-result .result-text {
    font-size: 17px;
  }

  .combined-result .result-line {
    font-size: 16px;
  }

  .habit-cards {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .timer-display {
    font-size: 44px;
  }

  .score-number {
    font-size: 40px;
  }

  .setting-options {
    flex-direction: column;
    align-items: center;
    gap: 8px;
  }
}

@media screen and (max-width: 380px) {
  .habit-cards {
    grid-template-columns: 1fr;
  }
}

/* ===== Utility ===== */
.text-center {
  text-align: center;
}

.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mb-16 { margin-bottom: 16px; }