/* ==========================================================================
   청소년부 성경 읽기 (Youth Bible Reading) - Design System & Stylesheet
   ========================================================================== */

/* 1. Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;500;600;700&family=Noto+Serif+KR:wght@400;600;700&display=swap');

/* 2. Theme CSS Variables */
:root {
  /* Light Theme (Default) */
  --bg-primary: #f8fafc;
  --bg-card: #ffffff;
  --bg-subtle: #f1f5f9;
  --border-color: #e2e8f0;

  --text-main: #1e293b;
  --text-muted: #64748b;
  --text-subtle: #94a3b8;

  --accent-primary: #3b82f6;
  --accent-hover: #2563eb;
  --accent-light: #eff6ff;
  --accent-border: #bfdbfe;

  --verse-num-color: #3b82f6;
  --verse-highlight-bg: #fef9c3;
  --verse-hover-bg: #f8fafc;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.03);

  --font-ui: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-reading: 'Noto Serif KR', Georgia, serif;

  --bible-font-size: 1.125rem;
  /* 18px */
  --bible-line-height: 1.85;
}

/* Dark Theme */
[data-theme="dark"] {
  --bg-primary: #0f172a;
  --bg-card: #1e293b;
  --bg-subtle: #334155;
  --border-color: #334155;

  --text-main: #f8fafc;
  --text-muted: #cbd5e1;
  --text-subtle: #64748b;

  --accent-primary: #60a5fa;
  --accent-hover: #93c5fd;
  --accent-light: #1e3a8a;
  --accent-border: #1d4ed8;

  --verse-num-color: #60a5fa;
  --verse-highlight-bg: #713f12;
  --verse-hover-bg: #334155;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
}

/* Paper / Warm Sepia Theme */
[data-theme="paper"] {
  --bg-primary: #fbf7ee;
  --bg-card: #f4efe0;
  --bg-subtle: #e9e2cf;
  --border-color: #e0d7c3;

  --text-main: #2c2520;
  --text-muted: #6b5e52;
  --text-subtle: #9c8e7e;

  --accent-primary: #b45309;
  --accent-hover: #92400e;
  --accent-light: #fef3c7;
  --accent-border: #fde68a;

  --verse-num-color: #b45309;
  --verse-highlight-bg: #fde68a;
  --verse-hover-bg: #ede6d4;

  --shadow-sm: 0 1px 2px 0 rgba(70, 50, 20, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(70, 50, 20, 0.08);
  --shadow-lg: 0 10px 15px -3px rgba(70, 50, 20, 0.1);
}

/* 3. Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-ui);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.5;
  transition: background-color 0.3s ease, color 0.3s ease;
  min-height: 100vh;
}

.app-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 1.5rem 1rem 4rem 1rem;
}

/* 4. Header Section */
.app-header {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.header-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--accent-primary), #6366f1);
  color: #ffffff;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 700;
  box-shadow: 0 4px 10px rgba(59, 130, 246, 0.25);
}

.brand-title h1 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.brand-title p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.user-auth-area {
  display: flex;
  align-items: center;
}

/* Tier 2: Action Toolbar */
.header-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 0.5rem 0.75rem;
  box-shadow: var(--shadow-sm);
}

.toolbar-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-toolbar-nav {
  background-color: var(--bg-subtle);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  padding: 0.45rem 0.85rem;
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-toolbar-nav:hover {
  background-color: var(--accent-light);
  border-color: var(--accent-border);
  color: var(--accent-primary);
  transform: translateY(-1px);
}

.btn-toolbar-nav.btn-my-prayers {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(5, 150, 105, 0.15));
  border-color: rgba(16, 185, 129, 0.3);
  color: #059669;
}

[data-theme="dark"] .btn-toolbar-nav.btn-my-prayers {
  color: #34d399;
}

.btn-toolbar-nav.btn-my-prayers:hover {
  background: linear-gradient(135deg, #10b981, #059669);
  color: #ffffff;
  border-color: #059669;
}

.toolbar-utils {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.control-group {
  display: flex;
  align-items: center;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 2px;
}

.btn-icon {
  background: transparent;
  border: none;
  color: var(--text-main);
  padding: 0.35rem 0.65rem;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-icon:hover {
  background-color: var(--bg-card);
  color: var(--accent-primary);
}

.theme-select {
  background: var(--bg-subtle);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  padding: 0.4rem 0.65rem;
  border-radius: 8px;
  font-size: 0.82rem;
  font-family: var(--font-ui);
  cursor: pointer;
  outline: none;
  transition: border-color 0.2s ease;
}

.theme-select:focus {
  border-color: var(--accent-primary);
}

/* 5. Date Navigation Bar */
.date-nav-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1.25rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.date-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.btn-nav {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
  background-color: var(--bg-subtle);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  padding: 0.5rem 0.85rem;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-nav:hover {
  background-color: var(--accent-light);
  border-color: var(--accent-border);
  color: var(--accent-primary);
}

.btn-nav.today-btn {
  font-weight: 600;
  background-color: var(--accent-primary);
  color: #ffffff;
  border-color: var(--accent-primary);
}

.btn-nav.today-btn:hover {
  background-color: var(--accent-hover);
  color: #ffffff;
}

.date-picker-wrapper {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--bg-primary);
  padding: 0.4rem 0.75rem;
  border-radius: 10px;
  border: 1px solid var(--border-color);
}

.date-picker-wrapper input[type="date"] {
  background: transparent;
  border: none;
  color: var(--text-main);
  font-family: var(--font-ui);
  font-size: 1rem;
  font-weight: 600;
  outline: none;
  cursor: pointer;
}

.date-display-text {
  margin-top: 0.8rem;
  text-align: center;
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* 6. Plan Info Card */
.plan-summary-card {
  background: linear-gradient(135deg, var(--accent-light), var(--bg-card));
  border: 1px solid var(--accent-border);
  border-radius: 16px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.plan-summary-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.plan-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background-color: var(--accent-primary);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.plan-date-tag {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

.plan-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.01em;
  margin-top: 0.2rem;
}

.plan-range-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.4rem;
}

.range-chip {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 0.3rem 0.75rem;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-primary);
  box-shadow: var(--shadow-sm);
}

/* 7. Scripture Reading Area */
.reading-container {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem 1.75rem;
  box-shadow: var(--shadow-md);
  min-height: 350px;
}

.chapter-section {
  margin-bottom: 2.5rem;
}

.chapter-section:last-child {
  margin-bottom: 0;
}

.chapter-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-main);
  padding-bottom: 0.6rem;
  margin-bottom: 1.25rem;
  border-bottom: 2px solid var(--accent-primary);
}

.verses-list {
  font-family: var(--font-reading);
  font-size: var(--bible-font-size);
  line-height: var(--bible-line-height);
  color: var(--text-main);
}

.verse-item {
  position: relative;
  padding: 0.35rem 0.5rem;
  border-radius: 6px;
  transition: background-color 0.15s ease;
  cursor: pointer;
  margin-bottom: 0.25rem;
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
}

.verse-item:hover {
  background-color: var(--verse-hover-bg);
}

.verse-item.highlighted {
  background-color: var(--verse-highlight-bg);
}

.verse-num {
  font-family: var(--font-ui);
  font-size: 0.82em;
  font-weight: 700;
  color: var(--verse-num-color);
  user-select: none;
  min-width: 1.6em;
  text-align: right;
}

.verse-text {
  flex: 1;
  word-break: keep-all;
}

/* Copy Toast Notification */
.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background-color: #1e293b;
  color: #ffffff;
  padding: 0.75rem 1.25rem;
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.68, -0.55, 0.27, 1.55);
  z-index: 1000;
  pointer-events: none;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* 8. Loading & Empty States */
.loading-skeleton {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.skeleton-line {
  height: 20px;
  background: linear-gradient(90deg, var(--bg-subtle) 25%, var(--border-color) 50%, var(--bg-subtle) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: 6px;
}

@keyframes skeleton-loading {
  0% {
    background-position: 200% 0;
  }

  100% {
    background-position: -200% 0;
  }
}

.empty-state,
.error-state {
  text-align: center;
  padding: 3rem 1.5rem;
}

.state-icon {
  font-size: 2.8rem;
  margin-bottom: 0.75rem;
  display: block;
}

.state-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

.state-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  max-width: 400px;
  margin: 0 auto 1.25rem auto;
  word-break: keep-all;
}

.btn-retry {
  background-color: var(--accent-primary);
  color: #ffffff;
  border: none;
  padding: 0.6rem 1.25rem;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.btn-retry:hover {
  background-color: var(--accent-hover);
}

/* 9. Footer */
.app-footer {
  margin-top: 3rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-subtle);
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
}

/* Responsive Tweaks */
@media (max-width: 600px) {
  .app-container {
    padding: 1rem 0.75rem 3rem 0.75rem;
  }

  .app-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .header-controls {
    width: 100%;
    justify-content: space-between;
  }

  .date-controls {
    flex-wrap: wrap;
  }

  .date-picker-wrapper {
    width: 100%;
    justify-content: center;
    order: -1;
  }

  .btn-nav {
    flex: 1;
  }

  .reading-container {
    padding: 1.5rem 1rem;
  }
}

/* ==========================================================================
   User Auth & Modal Styles
   ========================================================================== */
.user-auth-control {
  display: flex;
  align-items: center;
}

.btn-auth {
  padding: 0.4rem 0.85rem;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
}

.btn-login {
  background-color: var(--accent-primary);
  color: #ffffff;
}

.btn-login:hover {
  background-color: var(--accent-hover);
  box-shadow: 0 2px 6px rgba(59, 130, 246, 0.3);
}

.user-profile-area {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background-color: var(--bg-subtle);
  padding: 0.3rem 0.6rem 0.3rem 0.8rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.user-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-main);
}

.btn-logout {
  background-color: transparent;
  color: var(--text-muted);
  padding: 0.2rem 0.5rem;
  font-size: 0.8rem;
}

.btn-logout:hover {
  color: #ef4444;
  background-color: rgba(239, 68, 68, 0.1);
}

/* Modal Overlay */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  animation: fadeIn 0.2s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

.modal-card {
  position: relative;
  background-color: var(--bg-card);
  width: 100%;
  max-width: 400px;
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.2), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  border: 1px solid var(--border-color);
  animation: slideUp 0.25s ease-out;
}

@keyframes slideUp {
  from {
    transform: translateY(15px);
    opacity: 0;
  }

  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.modal-close-btn {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  font-size: 1.25rem;
  color: var(--text-subtle);
  cursor: pointer;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.modal-close-btn:hover {
  background-color: var(--bg-subtle);
  color: var(--text-main);
}

/* Modal Tabs */
.modal-tabs {
  display: flex;
  border-bottom: 2px solid var(--border-color);
  margin-bottom: 1.5rem;
}

.tab-btn {
  flex: 1;
  padding: 0.75rem 0;
  background: none;
  border: none;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: all 0.2s ease;
}

.tab-btn.active {
  color: var(--accent-primary);
  border-bottom-color: var(--accent-primary);
}

/* Auth Form */
.auth-form {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
}

.form-group input {
  padding: 0.7rem 0.9rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-subtle);
  color: var(--text-main);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.error-msg {
  color: #ef4444;
  background-color: rgba(239, 68, 68, 0.1);
  padding: 0.6rem 0.8rem;
  border-radius: 8px;
  font-size: 0.85rem;
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.btn-submit {
  width: 100%;
  padding: 0.8rem;
  margin-top: 0.5rem;
  border-radius: 8px;
  background-color: var(--accent-primary);
  color: #ffffff;
  border: none;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-submit:hover {
  background-color: var(--accent-hover);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

/* Verse Item Selected State */
.verse-item.selected {
  background-color: var(--verse-highlight-bg, #fef9c3) !important;
  border-left: 4px solid var(--accent-primary) !important;
  font-weight: 500;
}

/* Floating Action Bar for Selected Verses */
.selected-verses-bar {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  width: 90%;
  max-width: 600px;
  background-color: var(--bg-card);
  border: 1px solid var(--accent-border, #bfdbfe);
  border-radius: 16px;
  padding: 0.85rem 1.25rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(59, 130, 246, 0.2);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  z-index: 900;
  backdrop-filter: blur(8px);
  animation: slideUpBar 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideUpBar {
  from {
    transform: translate(-50%, 100%);
    opacity: 0;
  }

  to {
    transform: translate(-50%, 0);
    opacity: 1;
  }
}

.selected-bar-info {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
}

.selected-icon {
  font-size: 1.1rem;
}

.selected-bar-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-primary-sm {
  background-color: var(--accent-primary);
  color: #ffffff;
  border: none;
  padding: 0.55rem 1rem;
  border-radius: 10px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-primary-sm:hover {
  background-color: var(--accent-hover);
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

.btn-secondary-sm {
  background-color: var(--bg-subtle);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  padding: 0.55rem 0.85rem;
  border-radius: 10px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-secondary-sm:hover {
  background-color: var(--border-color);
  color: var(--text-main);
}

/* Completion Modal Specifics */
.modal-card-large {
  max-width: 520px;
  padding: 2.25rem 2rem;
}

.modal-header-title {
  margin-bottom: 1.5rem;
}

.modal-header-title h2 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.3rem;
}

.modal-header-title p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.form-textarea {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-subtle);
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.9rem;
  line-height: 1.5;
  resize: vertical;
  outline: none;
  transition: border-color 0.2s ease;
}

.form-textarea:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.form-textarea[readonly] {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: 'Noto Serif KR', serif;
}

.modal-action-buttons {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.btn-cancel {
  flex: 1;
  padding: 0.8rem;
  border-radius: 8px;
  background-color: var(--bg-subtle);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-cancel:hover {
  background-color: var(--border-color);
  color: var(--text-main);
}

/* ==========================================================================
   Completion Banner & Prayer History Modal Styles
   ========================================================================== */

/* My Prayers Button in Header */
.btn-my-prayers {
  background: linear-gradient(135deg, #10b981, #059669);
  color: #ffffff;
  border: none;
  padding: 0.35rem 0.75rem;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: all 0.2s ease;
  box-shadow: 0 2px 4px rgba(16, 185, 129, 0.2);
}

.btn-my-prayers:hover {
  background: linear-gradient(135deg, #059669, #047857);
  box-shadow: 0 4px 8px rgba(16, 185, 129, 0.3);
  transform: translateY(-1px);
}

/* Completion Status Banner */
.completion-banner {
  background: linear-gradient(135deg, #ecfdf5, #d1fae5);
  border: 1px solid #6ee7b7;
  border-radius: 14px;
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  box-shadow: var(--shadow-sm);
  animation: fadeIn 0.3s ease-out;
}

[data-theme="dark"] .completion-banner {
  background: linear-gradient(135deg, #064e3b, #022c22);
  border-color: #059669;
}

[data-theme="paper"] .completion-banner {
  background: linear-gradient(135deg, #f0fdf4, #dcfce7);
  border-color: #86efac;
}

.completion-banner-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.banner-icon {
  font-size: 1.5rem;
}

.completion-banner-info strong {
  font-size: 0.95rem;
  color: var(--text-main);
  display: block;
}

.banner-sub {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.btn-banner-action {
  background-color: #059669;
  color: #ffffff;
  border: none;
  padding: 0.45rem 0.9rem;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
}

.btn-banner-action:hover {
  background-color: #047857;
  box-shadow: 0 2px 6px rgba(5, 150, 105, 0.3);
}

/* Prayer History Modal */
.modal-card-history {
  max-width: 640px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  padding: 2rem;
}

.prayer-history-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  overflow-y: auto;
  padding-right: 0.25rem;
  margin-top: 0.5rem;
  max-height: calc(85vh - 120px);
}

.prayer-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  transition: all 0.2s ease;
}

.prayer-card:hover {
  border-color: var(--accent-border);
  box-shadow: var(--shadow-sm);
}

.prayer-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 0.6rem;
  border-bottom: 1px dashed var(--border-color);
}

.prayer-card-date {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.prayer-card-actions {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.btn-prayer-jump {
  background-color: var(--accent-light);
  color: var(--accent-primary);
  border: 1px solid var(--accent-border);
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-prayer-jump:hover {
  background-color: var(--accent-primary);
  color: #ffffff;
}

.btn-prayer-delete {
  background-color: transparent;
  color: var(--text-subtle);
  border: none;
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
  font-size: 0.78rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-prayer-delete:hover {
  color: #ef4444;
  background-color: rgba(239, 68, 68, 0.1);
}

.prayer-section {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.prayer-section-label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.prayer-section-content {
  font-size: 0.9rem;
  color: var(--text-main);
  line-height: 1.6;
  white-space: pre-wrap;
  background-color: var(--bg-card);
  padding: 0.6rem 0.8rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.prayer-section-content.scripture-box {
  font-family: var(--font-reading);
  border-left: 3px solid var(--accent-primary);
  color: var(--text-main);
}

.empty-history {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Community Dashboard & Popular Verses Styles
   ========================================================================== */

.btn-community-stats {
  background: linear-gradient(135deg, #6366f1, #4f46e5);
  color: #ffffff;
  border: none;
  padding: 0.4rem 0.8rem;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: all 0.2s ease;
  box-shadow: 0 2px 4px rgba(99, 102, 241, 0.25);
  margin-right: 0.4rem;
}

.btn-community-stats:hover {
  background: linear-gradient(135deg, #4f46e5, #4338ca);
  box-shadow: 0 4px 8px rgba(99, 102, 241, 0.35);
  transform: translateY(-1px);
}

.modal-card-dashboard {
  max-width: 680px;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  padding: 2rem;
}

.dashboard-tab-content {
  overflow-y: auto;
  padding-right: 0.25rem;
  margin-top: 0.5rem;
  max-height: calc(88vh - 150px);
}

/* Summary Grid Cards */
.stats-summary-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: linear-gradient(135deg, var(--bg-card), var(--bg-subtle));
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  box-shadow: var(--shadow-sm);
}

.stat-icon {
  font-size: 1.8rem;
}

.stat-info {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--accent-primary);
  line-height: 1.2;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

.section-subtitle {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* Member Rankings List */
.rankings-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.ranking-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 0.6rem 0.9rem;
  transition: all 0.2s ease;
}

.ranking-item:hover {
  border-color: var(--accent-border);
}

.ranking-user {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--text-main);
}

.rank-badge {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: var(--bg-subtle);
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.rank-badge.top-1 {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #ffffff;
}

.rank-badge.top-2 {
  background: linear-gradient(135deg, #94a3b8, #64748b);
  color: #ffffff;
}

.rank-badge.top-3 {
  background: linear-gradient(135deg, #b45309, #78350f);
  color: #ffffff;
}

.ranking-count {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--accent-primary);
  background-color: var(--accent-light);
  padding: 0.2rem 0.6rem;
  border-radius: 12px;
}

/* Community Feed */
.community-feed-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.feed-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.feed-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.feed-author {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.feed-time {
  font-size: 0.78rem;
  color: var(--text-subtle);
}

/* Popular Verses TOP 10 */
.popular-verses-intro {
  background-color: var(--accent-light);
  border: 1px solid var(--accent-border);
  padding: 0.75rem 1rem;
  border-radius: 10px;
  font-size: 0.85rem;
  color: var(--accent-primary);
  font-weight: 600;
  margin-bottom: 1rem;
}

.popular-verses-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.popular-verse-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  position: relative;
  transition: all 0.2s ease;
}

.popular-verse-card:hover {
  border-color: var(--accent-border);
  box-shadow: var(--shadow-sm);
}

.popular-verse-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.popular-verse-ref {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.popular-rank-tag {
  background-color: var(--accent-primary);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: 12px;
}

.popular-count-tag {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-muted);
  background-color: var(--bg-subtle);
  padding: 0.2rem 0.6rem;
  border-radius: 12px;
}

.popular-verse-text {
  font-family: var(--font-reading);
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-main);
}

.popular-bar-wrapper {
  height: 4px;
  background-color: var(--bg-subtle);
  border-radius: 2px;
  overflow: hidden;
  margin-top: 0.2rem;
}

.popular-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-primary), #6366f1);
  border-radius: 2px;
  transition: width 0.4s ease-out;
}

/* ==========================================================================
   Comprehensive Mobile Optimization & UI Refinements (모바일 UX/UI 최적화)
   ========================================================================== */

@media (max-width: 640px) {
  .app-container {
    padding: 0.85rem 0.65rem 4rem 0.65rem;
  }

  .app-header {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
    padding-bottom: 0.75rem;
    margin-bottom: 1rem;
  }

  .header-topbar {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .brand-title h1 {
    font-size: 1.15rem;
  }

  .brand-title p {
    font-size: 0.75rem;
  }

  .header-toolbar {
    width: 100%;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.5rem;
    padding: 0.5rem;
  }

  .toolbar-nav {
    flex: 1;
    display: flex;
    gap: 0.4rem;
  }

  .btn-toolbar-nav {
    flex: 1;
    justify-content: center;
    padding: 0.5rem 0.6rem;
    font-size: 0.82rem;
    min-height: 38px;
  }

  .toolbar-utils {
    display: flex;
    align-items: center;
    gap: 0.4rem;
  }

  /* Date Controls on Mobile */
  .date-nav-card {
    padding: 0.9rem 0.75rem;
    border-radius: 14px;
    margin-bottom: 1rem;
  }

  .date-controls {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 0.5rem;
    align-items: center;
  }

  .date-picker-wrapper {
    grid-column: span 3;
    order: -1;
    justify-content: center;
    padding: 0.5rem;
  }

  .date-picker-wrapper input[type="date"] {
    font-size: 1.05rem;
    width: 100%;
    text-align: center;
  }

  .btn-nav {
    padding: 0.55rem 0.4rem;
    font-size: 0.85rem;
    min-height: 42px;
  }

  /* Reading Container Mobile Touch */
  .reading-container {
    padding: 1.25rem 0.85rem;
    border-radius: 14px;
  }

  .verse-item {
    padding: 0.6rem 0.5rem;
    margin-bottom: 0.35rem;
    border-radius: 8px;
    -webkit-tap-highlight-color: transparent;
  }

  .verse-item:active {
    background-color: var(--verse-hover-bg);
    transform: scale(0.99);
  }

  .verse-num {
    font-size: 0.85em;
    min-width: 1.7em;
  }

  .verse-text {
    font-size: 1.05rem;
    line-height: 1.8;
  }

  /* Mobile Sheet Modal Styles */
  .modal-overlay {
    align-items: flex-end;
    padding: 0;
  }

  .modal-card,
  .modal-card-large,
  .modal-card-history,
  .modal-card-dashboard {
    width: 100%;
    max-width: 100%;
    max-height: 92vh;
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    border-top-left-radius: 20px;
    border-top-right-radius: 20px;
    padding: 1.5rem 1.1rem 2rem 1.1rem;
    animation: slideUpSheet 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .modal-card::before {
    content: '';
    display: block;
    width: 36px;
    height: 4px;
    background-color: var(--border-color);
    border-radius: 2px;
    margin: -0.5rem auto 1rem auto;
  }

  @keyframes slideUpSheet {
    from {
      transform: translateY(100%);
    }

    to {
      transform: translateY(0);
    }
  }

  .modal-header-title h2 {
    font-size: 1.2rem;
  }

  .modal-tabs {
    gap: 0.25rem;
  }

  .tab-btn {
    font-size: 0.85rem;
    padding: 0.65rem 0.2rem;
  }

  /* Selected Verses Floating Bar Mobile */
  .selected-verses-bar {
    width: 94%;
    bottom: 1rem;
    padding: 0.75rem 0.9rem;
    flex-direction: row;
    justify-content: space-between;
    gap: 0.5rem;
  }

  .selected-bar-info {
    font-size: 0.85rem;
  }

  .btn-primary-sm,
  .btn-secondary-sm {
    padding: 0.5rem 0.75rem;
    font-size: 0.82rem;
    border-radius: 8px;
  }

  /* Stats Grid & Cards Mobile */
  .stats-summary-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
  }

  .stat-card {
    padding: 0.75rem 0.85rem;
    gap: 0.6rem;
  }

  .stat-icon {
    font-size: 1.5rem;
  }

  .stat-value {
    font-size: 1.15rem;
  }

  .stat-label {
    font-size: 0.75rem;
  }

  .popular-verse-card {
    padding: 0.85rem;
  }

  .popular-verse-ref {
    font-size: 0.88rem;
  }

  .popular-verse-text {
    font-size: 0.9rem;
  }
}