/* Styles for Custom Connections Game */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
  --font-display: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Colors - Sleek Dark Theme (Default) */
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --border-color: rgba(255, 255, 255, 0.08);
  --accent-color: #6366f1;
  --accent-hover: #4f46e5;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --glow-color: rgba(99, 102, 241, 0.4);

  /* Connections Category Colors */
  --color-yellow: #f9df6d;
  --color-yellow-text: #2a2505;
  --color-green: #a0c35a;
  --color-green-text: #1a2b05;
  --color-blue: #b0c4ef;
  --color-blue-text: #0d224d;
  --color-purple: #ba80c8;
  --color-purple-text: #310738;

  /* Draft Group Colors */
  --color-draft-1: rgba(249, 223, 109, 0.15);
  --color-draft-1-border: rgba(249, 223, 109, 0.4);
  --color-draft-2: rgba(160, 195, 90, 0.15);
  --color-draft-2-border: rgba(160, 195, 90, 0.4);
  --color-draft-3: rgba(176, 196, 239, 0.15);
  --color-draft-3-border: rgba(176, 196, 239, 0.4);
  --color-draft-4: rgba(186, 128, 200, 0.15);
  --color-draft-4-border: rgba(186, 128, 200, 0.4);
}

/* Light Theme Variables */
body.light-theme {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --text-primary: #0f172a;
  --text-secondary: #64748b;
  --border-color: rgba(15, 23, 42, 0.08);
  --accent-color: #4f46e5;
  --accent-hover: #4338ca;
  --glow-color: rgba(79, 70, 229, 0.2);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow-y: auto;
  padding-bottom: 2rem;
}

/* Header & Controls */
header {
  width: 100%;
  max-width: 600px;
  padding: 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  border-bottom: 1px solid var(--border-color);
}

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

h1 {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.05em;
  background: linear-gradient(135deg, #818cf8 0%, #c084fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

body.light-theme h1 {
  background: linear-gradient(135deg, #4f46e5 0%, #9333ea 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

.icon-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.5rem;
  border-radius: 0.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: var(--shadow-sm);
}

.icon-btn:hover {
  background: var(--bg-tertiary);
}

/* Date Selection and Mode Controls */
.controls-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.date-selector {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 0.3rem 0.6rem;
  border-radius: 2rem;
  box-shadow: var(--shadow-sm);
}

.date-nav-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 0.75rem;
  padding: 0.2rem 0.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s ease, transform 0.1s ease;
  user-select: none;
}

.date-nav-btn:hover:not(:disabled) {
  color: var(--text-primary);
  transform: scale(1.25);
}

.date-nav-btn:active:not(:disabled) {
  transform: scale(0.9);
}

.date-nav-btn:disabled {
  opacity: 0.2;
  cursor: not-allowed;
}

.date-selector input[type="date"] {
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 600;
  outline: none;
  text-align: center;
}

/* Toggle styles removed */

/* Main Container */
main {
  width: 100%;
  max-width: 600px;
  padding: 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Card Grid */
.grid-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
  width: 100%;
}

.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 0.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  text-align: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(0.7rem, 2vw, 0.95rem);
  letter-spacing: -0.01em;
  text-transform: uppercase;
  cursor: pointer;
  user-select: none;
  box-shadow: var(--shadow-sm);
  aspect-ratio: 2.5;
  transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275), 
              background-color 0.2s ease, 
              border-color 0.2s ease, 
              box-shadow 0.2s ease;
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-2px);
  background: var(--bg-tertiary);
  box-shadow: var(--shadow-md);
}

.card:active {
  transform: translateY(1px) scale(0.98);
}

.card.selected {
  background: var(--accent-color);
  border-color: var(--accent-color);
  color: #ffffff;
  box-shadow: 0 0 10px var(--glow-color);
}

.card.correct-yellow {
  background-color: var(--color-yellow) !important;
  color: var(--color-yellow-text) !important;
  border-color: var(--color-yellow) !important;
}

.card.correct-green {
  background-color: var(--color-green) !important;
  color: var(--color-green-text) !important;
  border-color: var(--color-green) !important;
}

.card.correct-blue {
  background-color: var(--color-blue) !important;
  color: var(--color-blue-text) !important;
  border-color: var(--color-blue) !important;
}

.card.correct-purple {
  background-color: var(--color-purple) !important;
  color: var(--color-purple-text) !important;
  border-color: var(--color-purple) !important;
}

/* Shake animation for errors */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-6px); }
  40%, 80% { transform: translateX(6px); }
}

.card.shake {
  animation: shake 0.4s ease-in-out;
}

/* Standard mode styles removed */

/* Buttons Area */
.actions-row {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  width: 100%;
}

.btn {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.75rem 1.5rem;
  border-radius: 2rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
}

.btn:hover {
  background: var(--bg-secondary);
  transform: translateY(-1px);
}

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

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

.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  box-shadow: 0 0 12px var(--glow-color);
}

.btn-primary:disabled {
  background: var(--bg-tertiary);
  border-color: var(--border-color);
  color: var(--text-secondary);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* DRAFT MODE STYLING */
.draft-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  width: 100%;
}

.draft-bin {
  background: var(--bg-secondary);
  border: 2px dashed var(--border-color);
  border-radius: 0.8rem;
  padding: 0.75rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  position: relative;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
}

.draft-bin:hover {
  border-color: var(--accent-color);
}

.draft-bin.active-bin {
  border-color: var(--accent-color);
  box-shadow: 0 0 10px var(--glow-color);
  background: rgba(99, 102, 241, 0.04);
}

/* Draft Bin Colors when Verified Correct */
.draft-bin.correct-yellow { background-color: rgba(249, 223, 109, 0.12); border-color: var(--color-yellow); border-style: solid; }
.draft-bin.correct-green { background-color: rgba(160, 195, 90, 0.12); border-color: var(--color-green); border-style: solid; }
.draft-bin.correct-blue { background-color: rgba(176, 196, 239, 0.12); border-color: var(--color-blue); border-style: solid; }
.draft-bin.correct-purple { background-color: rgba(186, 128, 200, 0.12); border-color: var(--color-purple); border-style: solid; }

.draft-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.draft-title-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
}

.draft-group-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
  background: var(--text-secondary);
  opacity: 0.6;
  transition: background-color 0.3s ease, opacity 0.3s ease;
}

.correct-yellow .draft-group-indicator { background: var(--color-yellow); opacity: 1; }
.correct-green .draft-group-indicator { background: var(--color-green); opacity: 1; }
.correct-blue .draft-group-indicator { background: var(--color-blue); opacity: 1; }
.correct-purple .draft-group-indicator { background: var(--color-purple); opacity: 1; }

.draft-label-input {
  background: transparent;
  border: none;
  border-bottom: 1px solid transparent;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.15rem 0.25rem;
  outline: none;
  width: 100%;
  transition: border-color 0.2s ease;
}

.draft-label-input:focus {
  border-color: var(--text-secondary);
}

.draft-label-input::placeholder {
  color: var(--text-secondary);
  font-weight: 400;
  opacity: 0.6;
}

.draft-cards-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
  min-height: 48px;
}

.draft-card-slot {
  border: 1px dashed rgba(255, 255, 255, 0.15);
  border-radius: 0.4rem;
  background: rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(0.65rem, 1.8vw, 0.85rem);
  font-family: var(--font-display);
  font-weight: 600;
  text-transform: uppercase;
  text-align: center;
  padding: 0.35rem;
  min-height: 40px;
  word-break: break-word;
  transition: all 0.2s ease;
}

body.light-theme .draft-card-slot {
  border-color: rgba(15, 23, 42, 0.1);
  background: rgba(0, 0, 0, 0.03);
}

.draft-card-slot.filled {
  border: 1px solid var(--border-color);
  background: var(--bg-tertiary);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}

.draft-card-slot.filled:hover {
  cursor: pointer;
}

.draft-card-slot.filled:not(.locked):hover {
  background: #ef4444;
  border-color: #ef4444;
  color: #ffffff;
  transform: translateY(-1px);
}

.draft-card-slot.filled:not(.locked):hover::after {
  content: ' ✕';
  font-size: 0.65rem;
  font-weight: 800;
}

/* Verification Banner */
.verification-banner {
  padding: 1rem;
  border-radius: 0.8rem;
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  text-align: center;
  animation: fadeInDown 0.4s ease;
}

.verification-banner h2 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.verification-banner p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* MODAL OVERLAY (Stats & Error Messages) */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-container {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  width: 100%;
  max-width: 460px;
  padding: 1.5rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  transform: translateY(20px);
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.modal-overlay.active .modal-container {
  transform: translateY(0);
}

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

.modal-header h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
}

.close-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
}

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

/* Stats Styles */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  text-align: center;
}

.stat-item {
  background: var(--bg-tertiary);
  padding: 0.75rem;
  border-radius: 0.5rem;
  border: 1px solid var(--border-color);
}

.stat-val {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--accent-color);
}

.stat-label {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

.history-section {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-height: 200px;
  overflow-y: auto;
  padding-right: 0.25rem;
}

.history-section-title {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.25rem;
}

.history-item {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  padding: 0.4rem 0.5rem;
  border-radius: 0.25rem;
  background: rgba(255, 255, 255, 0.02);
}

body.light-theme .history-item {
  background: rgba(0, 0, 0, 0.02);
}

.history-status.win {
  color: var(--color-green);
  font-weight: 700;
}

.history-status.loss {
  color: #ef4444;
  font-weight: 700;
}

/* Custom Scrollbar for Modal and Lists */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

/* Responsive Scaling */
@media (max-width: 480px) {
  h1 {
    font-size: 1.8rem;
  }
  .controls-row {
    flex-direction: column;
    align-items: stretch;
  }
  .date-selector {
    justify-content: center;
  }
  .grid-container {
    gap: 0.35rem;
  }
  .card {
    border-radius: 0.4rem;
  }
}