@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg-primary: #0a0d14;
  --bg-secondary: #101522;
  --bg-tertiary: #171e31;
  --bg-card: rgba(23, 30, 49, 0.75);
  --bg-card-hover: rgba(30, 39, 64, 0.9);
  --border: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(99, 102, 241, 0.5);
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-subtle: #64748b;
  
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --primary-light: rgba(99, 102, 241, 0.15);
  
  --success: #10b981;
  --success-bg: rgba(16, 185, 129, 0.15);
  
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.15);
  
  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.15);
  
  --info: #0ea5e9;
  --info-bg: rgba(14, 165, 233, 0.15);

  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.5);
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-main);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Header & Navigation */
header.app-header {
  background: rgba(16, 21, 34, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0.85rem 1.75rem;
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.brand-logo {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 1.25rem;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

.brand-info h1 {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.brand-tag {
  font-size: 0.7rem;
  background: var(--primary-light);
  color: var(--primary);
  border: 1px solid rgba(99, 102, 241, 0.3);
  padding: 2px 7px;
  border-radius: 9999px;
  font-weight: 600;
  text-transform: uppercase;
}

.brand-info p {
  font-size: 0.78rem;
  color: var(--text-subtle);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  border: 1px solid transparent;
  outline: none;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
  color: white;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #4f46e5 0%, #4338ca 100%);
  transform: translateY(-1px);
}

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

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.15);
}

.btn-icon {
  padding: 0.55rem;
}

/* Stats Row */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  padding: 1.25rem 1.75rem 0.5rem;
}

.stat-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.9rem 1.15rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.stat-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.15);
}

.stat-label {
  font-size: 0.78rem;
  color: var(--text-subtle);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.stat-value {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-main);
  margin-top: 2px;
}

.stat-indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

/* Filter Controls Toolbar */
.toolbar {
  padding: 0.85rem 1.75rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.85rem;
}

.search-wrapper {
  position: relative;
  flex: 1;
  max-width: 360px;
}

.search-input {
  width: 100%;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  color: var(--text-main);
  padding: 0.55rem 0.85rem 0.55rem 2.2rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  transition: border-color 0.15s ease;
}

.search-input:focus {
  outline: none;
  border-color: var(--border-focus);
  background: var(--bg-tertiary);
}

.search-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-subtle);
  pointer-events: none;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.filter-select {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  color: var(--text-main);
  padding: 0.55rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  outline: none;
}

.filter-select:focus {
  border-color: var(--border-focus);
}

/* Kanban Board Container */
.board-container {
  padding: 0.75rem 1.75rem 2rem;
  overflow-x: auto;
}

.kanban-board {
  display: grid;
  grid-template-columns: repeat(4, minmax(310px, 1fr));
  gap: 1.25rem;
  align-items: flex-start;
}

.kanban-column {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  min-height: 520px;
  max-height: calc(100vh - 230px);
}

.column-header {
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.column-title-group {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.column-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
}

.column-title {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-main);
}

.column-count {
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--bg-tertiary);
  color: var(--text-muted);
  padding: 2px 8px;
  border-radius: 9999px;
}

.column-body {
  padding: 0.85rem;
  overflow-y: auto;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* Ticket Cards */
.ticket-card {
  background: var(--bg-card);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.9rem;
  cursor: pointer;
  transition: all 0.15s ease;
  position: relative;
}

.ticket-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(99, 102, 241, 0.4);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.issue-key {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-light);
  padding: 2px 6px;
  border-radius: 4px;
}

.badge {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.badge-p0 { background: var(--danger-bg); color: var(--danger); border: 1px solid rgba(239, 68, 68, 0.3); }
.badge-p1 { background: var(--warning-bg); color: var(--warning); border: 1px solid rgba(245, 158, 11, 0.3); }
.badge-p2 { background: var(--info-bg); color: var(--info); border: 1px solid rgba(14, 165, 233, 0.3); }
.badge-p3 { background: rgba(148, 163, 184, 0.15); color: var(--text-muted); border: 1px solid rgba(148, 163, 184, 0.2); }

.card-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.4rem;
  line-height: 1.35;
}

.card-shop {
  font-size: 0.78rem;
  color: var(--text-subtle);
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 0.6rem;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  padding-top: 0.5rem;
  font-size: 0.75rem;
  color: var(--text-subtle);
}

.app-pill {
  font-size: 0.7rem;
  font-weight: 500;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
}

/* Drawer / Modal for Ticket Detail */
.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  z-index: 100;
  display: none;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.drawer-backdrop.active {
  display: flex;
  opacity: 1;
}

.drawer-content {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  max-width: 680px;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border);
  z-index: 101;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: var(--shadow-lg);
}

.drawer-backdrop.active .drawer-content {
  transform: translateX(0);
}

.drawer-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.drawer-body {
  padding: 1.5rem;
  overflow-y: auto;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.drawer-section {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
}

.drawer-section-title {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-subtle);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Diagnostic Box */
.diagnostics-box {
  background: #06090e;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  color: #38bdf8;
  max-height: 200px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

/* Comments Feed */
.comments-feed {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.comment-bubble {
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.comment-bubble.dev {
  background: rgba(99, 102, 241, 0.08);
  border-color: rgba(99, 102, 241, 0.25);
}

.comment-bubble.internal {
  background: rgba(245, 158, 11, 0.08);
  border-color: rgba(245, 158, 11, 0.3);
}

.comment-bubble.merchant {
  background: var(--bg-card);
  border-color: var(--border);
}

.comment-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.4rem;
  font-size: 0.75rem;
}

.comment-author {
  font-weight: 600;
  color: var(--text-main);
}

.comment-text {
  font-size: 0.88rem;
  color: var(--text-main);
  line-height: 1.45;
  white-space: pre-line;
}

/* Modal for New Ticket */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(6px);
  z-index: 110;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.modal-backdrop.active {
  display: flex;
}

.modal-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 600px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

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

.form-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-main);
}

.form-input, .form-textarea, .form-select {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  padding: 0.65rem 0.85rem;
  font-size: 0.88rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.15s ease;
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--border-focus);
}

.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
}

/* Toast */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-main);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  animation: slideIn 0.2s ease;
}

.toast.success { border-color: var(--success); }
.toast.error { border-color: var(--danger); }

@keyframes slideIn {
  from { transform: translateY(10px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}