/* --- Design System & CSS Variables --- */
:root {
  --bg-color: #faf7f2;          /* Warm soft cream/paper background */
  --card-bg: #ffffff;           /* Pure white card face */
  --text-primary: #2d2926;      /* Deep soft charcoal for poem text & headings */
  --text-secondary: #736d66;    /* Muted warm gray-brown for metadata */
  --text-tertiary: #a69f96;     /* Light warm gray for placeholders, dates */
  --accent-gold: #b29367;       /* Muted poetry gold for highlights */
  --accent-gold-light: #f5f0e6; /* Soft warm gold tint */
  --border-color: #e6dfd5;      /* Subtle border color */
  --danger-color: #c95d5d;      /* Muted rose/red for deletes */
  --danger-bg: #fdf2f2;
  
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  --shadow-sm: 0 2px 8px rgba(45, 41, 38, 0.03);
  --shadow-md: 0 8px 24px rgba(45, 41, 38, 0.05);
  --shadow-lg: 0 16px 40px rgba(45, 41, 38, 0.08);
  
  --transition-smooth: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
  --transition-fast: all 0.2s ease;
}

/* --- Reset & Global Base --- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  position: relative;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Background decorative radial glow */
.background-glow {
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 100vw;
  height: 80vh;
  background: radial-gradient(circle, rgba(245, 240, 230, 0.6) 0%, rgba(250, 247, 242, 0) 70%);
  z-index: -1;
  pointer-events: none;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--text-primary);
}

/* --- Header Section --- */
.site-header {
  border-bottom: 1px solid var(--border-color);
  padding: 2rem 1.5rem;
  background-color: rgba(250, 247, 242, 0.8);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-container {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-title {
  font-size: 2.1rem;
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.site-subtitle {
  font-size: 0.85rem;
  font-family: var(--font-sans);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-top: 0.4rem;
  font-weight: 300;
}

/* --- Layout --- */
.main-content {
  flex: 1;
  max-width: 800px;
  width: 100%;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 450;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.65rem 1.25rem;
  border-radius: 4px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition-fast);
  background: none;
}

.btn-primary {
  background-color: var(--text-primary);
  color: var(--bg-color);
}

.btn-primary:hover {
  background-color: var(--accent-gold);
  transform: translateY(-1px);
}

.btn-secondary {
  border-color: var(--border-color);
  color: var(--text-secondary);
}

.btn-secondary:hover {
  border-color: var(--text-primary);
  color: var(--text-primary);
  background-color: rgba(0, 0, 0, 0.02);
}

.btn-danger {
  border-color: var(--danger-color);
  color: var(--danger-color);
}

.btn-danger:hover {
  background-color: var(--danger-bg);
}

.btn-block {
  width: 100%;
  padding: 0.8rem;
}

/* --- Admin Panel --- */
.admin-panel {
  margin-bottom: 3.5rem;
  animation: fadeInDown 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.panel-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
}

.panel-card:hover {
  box-shadow: var(--shadow-md);
}

.panel-header {
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
}

.panel-title {
  font-size: 1.6rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
}

.panel-subtitle {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* --- Form Fields --- */
.form-group-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

@media (max-width: 600px) {
  .form-group-row {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
}

.form-group {
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
}

.form-group label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  padding: 0.8rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background-color: #fafbfc;
  color: var(--text-primary);
  transition: var(--transition-fast);
}

.form-group textarea {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  line-height: 1.6;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-gold);
  background-color: #ffffff;
  box-shadow: 0 0 0 3px rgba(178, 147, 103, 0.12);
}

.form-actions {
  display: flex;
  justify-content: flex-end;
}

/* --- Poems Feed --- */
.poems-feed {
  display: flex;
  flex-direction: column;
  gap: 4rem;
}

/* Poem card entry */
.poem-card {
  position: relative;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 3.5rem 3.5rem 3rem 3.5rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
  animation: fadeInUp 0.6s cubic-bezier(0.25, 0.8, 0.25, 1) both;
  overflow: hidden;
}

.poem-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background-color: transparent;
  transition: var(--transition-smooth);
}

.poem-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.poem-card:hover::before {
  background-color: var(--accent-gold);
}

.poem-card-header {
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  text-align: center;
}

.poem-card-title {
  font-size: 1.9rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.poem-card-author {
  font-size: 0.95rem;
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--text-secondary);
}

.poem-card-date {
  font-size: 0.75rem;
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  margin-top: 0.2rem;
}

.poem-card-body {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  line-height: 1.8;
  white-space: pre-wrap;
  color: var(--text-primary);
  margin: 2.5rem 0;
  text-align: center;
  letter-spacing: 0.01em;
  /* Centering verses beautifully */
  display: inline-block;
  width: 100%;
  max-width: 100%;
}

.poem-card-footer {
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.reactions-wrapper {
  display: flex;
  gap: 0.75rem;
}

.reaction-btn {
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 0.4rem 0.9rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--text-secondary);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: var(--transition-fast);
  user-select: none;
}

.reaction-btn:hover {
  border-color: var(--accent-gold);
  background-color: var(--accent-gold-light);
  transform: scale(1.05);
}

.reaction-btn:active {
  transform: scale(0.95);
}

.reaction-btn.reacted {
  background-color: var(--accent-gold-light);
  border-color: var(--accent-gold);
  color: var(--text-primary);
  font-weight: 500;
}

.reaction-emoji {
  font-size: 1rem;
  display: inline-block;
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.reaction-btn:hover .reaction-emoji {
  transform: scale(1.25) rotate(-5deg);
}

.reaction-count {
  font-variant-numeric: tabular-nums;
}

/* Actions container on the right side of the footer */
.poem-card-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Share button on poem card */
.share-btn {
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 0.4rem 0.9rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--text-secondary);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: var(--transition-fast);
  user-select: none;
}

.share-btn:hover {
  border-color: var(--accent-gold);
  background-color: var(--accent-gold-light);
  color: var(--text-primary);
  transform: scale(1.05);
}

.share-btn:active {
  transform: scale(0.95);
}

.share-btn.copied {
  background-color: #f2faf6;
  border-color: #8ccba4;
  color: #388e3c;
  font-weight: 550;
}

/* Delete button on poem card */
.poem-delete-btn {
  background: none;
  border: none;
  color: var(--text-tertiary);
  cursor: pointer;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: var(--transition-fast);
  padding: 0.4rem;
}

.poem-delete-btn:hover {
  color: var(--danger-color);
}

/* Highlighted state when poem is directly linked */
.poem-card.highlighted {
  border-color: var(--accent-gold);
  box-shadow: 0 0 0 2px rgba(178, 147, 103, 0.15), var(--shadow-sm);
  animation: pulseGold 1.5s ease-in-out infinite alternate;
}

@keyframes pulseGold {
  from {
    border-color: var(--accent-gold);
    box-shadow: 0 0 0 2px rgba(178, 147, 103, 0.15), var(--shadow-sm);
  }
  to {
    border-color: #d1b48c;
    box-shadow: 0 0 0 5px rgba(178, 147, 103, 0.35), var(--shadow-md);
  }
}

/* Loading & No poems styling */
.poems-loading {
  text-align: center;
  padding: 4rem 0;
  color: var(--text-secondary);
}

.spinner {
  width: 24px;
  height: 24px;
  border: 2px solid var(--border-color);
  border-top-color: var(--accent-gold);
  border-radius: 50%;
  margin: 0 auto 1rem auto;
  animation: spin 0.8s linear infinite;
}

.no-poems-msg {
  text-align: center;
  padding: 5rem 0;
  color: var(--text-secondary);
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.2rem;
}

/* --- Footer Section --- */
.site-footer {
  border-top: 1px solid var(--border-color);
  padding: 3rem 1.5rem;
  background-color: rgba(250, 247, 242, 0.5);
  margin-top: 5rem;
}

.footer-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-tertiary);
  letter-spacing: 0.05em;
}

/* --- Login Modal --- */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: center;
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(45, 41, 38, 0.4);
  backdrop-filter: blur(4px);
  animation: fadeIn 0.3s ease;
}

.modal-content {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  width: 90%;
  max-width: 400px;
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
  z-index: 1010;
  position: relative;
  animation: modalZoom 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-tertiary);
  cursor: pointer;
  line-height: 1;
  transition: var(--transition-fast);
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal-title {
  font-size: 1.4rem;
  margin-bottom: 0.25rem;
  font-weight: 500;
}

.modal-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 1.75rem;
}

.login-error {
  color: var(--danger-color);
  font-size: 0.8rem;
  margin-top: -0.75rem;
  margin-bottom: 1.25rem;
}

/* --- Utilities --- */
.hidden {
  display: none !important;
}

/* --- Animations --- */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes modalZoom {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Mobile responsive padding adjustments */
@media (max-width: 600px) {
  .site-header {
    padding: 1.5rem 1rem;
  }
  
  .site-title {
    font-size: 1.7rem;
  }
  
  .main-content {
    padding: 2rem 1rem;
  }
  
  .poem-card {
    padding: 2rem 1.5rem 2rem 1.5rem;
  }
  
  .poem-card-title {
    font-size: 1.5rem;
  }
  
  .poem-card-body {
    font-size: 1.1rem;
    margin: 1.5rem 0;
  }
  
  .panel-card {
    padding: 1.5rem;
  }
}