/* CSS Design System for MineZone Ideas Hub */
:root {
  --bg-app: #090d16;
  --bg-card: #131c2e;
  --bg-card-hover: #1b263f;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-focus: rgba(99, 102, 241, 0.4);
  
  --primary-color: #6366f1;
  --primary-hover: #4f46e5;
  --primary-light: #818cf8;
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --danger-color: #ef4444;
  --danger-hover: #dc2626;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  
  --transition-speed: 0.25s;
  --font-family: 'Inter', sans-serif;
  --font-display: 'Outfit', sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--bg-app);
  color: var(--text-primary);
  font-family: var(--font-family);
  min-height: 100vh;
  padding: 30px 20px;
  overflow-y: scroll;
}

.app-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 25px;
}

/* Header */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 20px;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 15px;
}

.logo-icon {
  font-size: 32px;
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.25);
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
}

.logo-area h1 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #ffffff 0%, #a5b4fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.subtitle {
  color: var(--text-secondary);
  font-size: 13px;
  margin-top: 2px;
}

.header-actions {
  display: flex;
  gap: 12px;
}

/* Buttons */
.btn {
  font-family: var(--font-family);
  font-weight: 600;
  font-size: 13px;
  padding: 10px 18px;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
}

.btn svg {
  width: 16px;
  height: 16px;
}

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

.btn-primary:hover {
  background-color: var(--primary-hover);
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.35);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: rgba(255, 255, 255, 0.05);
  border-color: var(--border-color);
  color: var(--text-secondary);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
}

.btn-icon-danger:hover {
  border-color: rgba(239, 68, 68, 0.4);
  color: var(--danger-color);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 11px;
  border-radius: 6px;
}

/* Category Tabs Scrollbar */
.category-tabs-container {
  overflow: hidden;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 5px;
}

.tabs-scroll {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 10px;
}

/* Custom Scrollbar for tabs scrollbar */
.tabs-scroll::-webkit-scrollbar {
  height: 5px;
}
.tabs-scroll::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 10px;
}

.tab-btn {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  padding: 12px 20px;
  border-radius: 10px;
  cursor: pointer;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all var(--transition-speed) ease;
}

.tab-btn:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.15);
}

.tab-btn.active {
  background: rgba(99, 102, 241, 0.12);
  border-color: var(--primary-color);
  color: var(--primary-light);
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.15);
}

.count-badge {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-secondary);
  padding: 2px 7px;
  font-size: 10px;
  font-weight: bold;
  border-radius: 6px;
  font-family: var(--font-family);
  transition: all var(--transition-speed) ease;
}

.tab-btn.active .count-badge {
  background: var(--primary-color);
  color: #ffffff;
}

/* Kanban Board Columns */
.board-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 15px;
  align-items: start;
}

@media (max-width: 968px) {
  .board-container {
    grid-template-columns: 1fr;
  }
}

.board-column {
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  display: flex;
  flex-direction: column;
  padding: 15px;
  min-height: 500px;
}

.column-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 15px;
}

.column-title-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
}

.column-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.indicator-ideas { background-color: var(--primary-light); }
.indicator-pending { background-color: var(--warning-color); }
.indicator-accepted { background-color: var(--success-color); }
.indicator-rejected { background-color: var(--danger-color); }

.column-header h3 {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.column-count {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: bold;
  padding: 2px 8px;
  border-radius: 10px;
}

.column-cards-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 400px;
}

/* Card Styling */
.idea-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: all var(--transition-speed) ease;
}

.idea-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.12);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.idea-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  cursor: pointer;
}

.idea-title {
  font-size: 13px;
  font-weight: 500;
  line-height: 1.4;
  color: var(--text-primary);
}

.collapse-indicator {
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: transform var(--transition-speed) ease;
}

.collapse-indicator.expanded {
  transform: rotate(180deg);
  color: var(--primary-light);
}

.idea-description {
  display: none;
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.04);
  padding: 12px;
  border-radius: 6px;
  word-wrap: break-word;
  white-space: pre-wrap;
}

.idea-description.show {
  display: block;
}

.idea-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 4px;
  padding-top: 10px;
  border-top: 1px dashed rgba(255, 255, 255, 0.05);
}

.move-buttons-group {
  display: flex;
  gap: 5px;
}

.btn-move {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  width: 24px;
  height: 24px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-speed) ease;
}

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

.btn-delete {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px;
  border-radius: 4px;
  transition: all var(--transition-speed) ease;
}

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

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(4, 6, 10, 0.8);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 1000;
  opacity: 0;
  transition: opacity var(--transition-speed) ease;
}

.modal-overlay.show {
  display: flex;
  opacity: 1;
}

.modal-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  width: 100%;
  max-width: 500px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  transform: scale(0.95);
  transition: transform var(--transition-speed) ease;
}

.modal-overlay.show .modal-card {
  transform: scale(1);
}

.modal-header {
  padding: 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
}

.modal-close {
  background: transparent;
  border: none;
  font-size: 24px;
  color: var(--text-secondary);
  cursor: pointer;
}

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

/* Form controls */
#idea-form {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-control {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: 13px;
  padding: 10px;
  outline: none;
  transition: all var(--transition-speed) ease;
}

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px var(--border-color-focus);
}

select.form-control {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2394a3b8'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m19.5 8.25-7.5 7.5-7.5-7.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 14px;
  padding-right: 30px;
}

textarea.form-control {
  resize: vertical;
}

.modal-footer {
  margin-top: 10px;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}