/* =========================================================
   Qpoint Agile Ticket Tracker - Modern Design System
   ========================================================= */

:root {
  --bg-app: #0f172a;
  --bg-surface: #1e293b;
  --bg-surface-elevated: #283548;
  --bg-surface-hover: #334155;
  --border-color: #334155;
  --border-focus: #6366f1;

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --primary-subtle: rgba(99, 102, 241, 0.15);

  --success: #10b981;
  --success-subtle: rgba(16, 185, 129, 0.15);
  --warning: #f59e0b;
  --warning-subtle: rgba(245, 158, 11, 0.15);
  --danger: #ef4444;
  --danger-subtle: rgba(239, 68, 68, 0.15);
  --info: #06b6d4;

  /* Agile Type Colors */
  --type-story: #10b981;    /* Green */
  --type-task: #38bdf8;     /* Sky Blue */
  --type-spike: #f59e0b;    /* Amber */
  --type-defect: #ef4444;   /* Red */
  --type-epic: #a855f7;     /* Purple */

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.25);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -4px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.5);

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-app);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* =========================================================
   Header & App Shell
   ========================================================= */

.app-header {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 40;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 20px;
}

.app-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 18px;
  color: var(--text-primary);
  text-decoration: none;
}

.brand-icon {
  background: linear-gradient(135deg, #6366f1, #a855f7);
  color: #fff;
  width: 32px;
  height: 32px;
  display: grid;
  place-content: center;
  border-radius: var(--radius-md);
  font-size: 16px;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.4);
}

.project-selector-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.project-select {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 6px 12px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  outline: none;
  transition: all 0.2s;
}

.project-select:hover, .project-select:focus {
  border-color: var(--primary);
}

.header-center {
  flex: 1;
  max-width: 420px;
}

.search-box {
  position: relative;
  width: 100%;
}

.search-input {
  width: 100%;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 7px 12px 7px 34px;
  border-radius: var(--radius-md);
  font-size: 13px;
  outline: none;
  transition: all 0.2s;
}

.search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--primary-subtle);
}

.search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 14px;
  pointer-events: none;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.db-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
  text-decoration: none;
  font-weight: 500;
  cursor: pointer;
}

.db-pill.error {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border-color: rgba(239, 68, 68, 0.3);
}

.db-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
}

.user-profile-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius-md);
  transition: background 0.2s;
}

.user-profile-badge:hover {
  background: var(--bg-surface-elevated);
}

.avatar-circle {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: grid;
  place-content: center;
  font-weight: 700;
  font-size: 13px;
  text-transform: uppercase;
}

/* =========================================================
   Navigation Tabs (Board, Backlog, Releases, Team)
   ========================================================= */

.nav-tabs-bar {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.tabs-list {
  display: flex;
  gap: 24px;
  list-style: none;
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 14px 2px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: color 0.2s;
}

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

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

.tab-btn.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 2px 2px 0 0;
}

.tab-count {
  background: var(--bg-surface-elevated);
  font-size: 11px;
  padding: 2px 6px;
  border-radius: var(--radius-full);
  color: var(--text-secondary);
}

.tabs-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* =========================================================
   Buttons & Controls
   ========================================================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s;
  text-decoration: none;
}

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

.btn-primary:hover {
  background: var(--primary-hover);
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
  background: var(--bg-surface-elevated);
  color: var(--text-primary);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  background: var(--bg-surface-hover);
}

.btn-danger {
  background: var(--danger-subtle);
  color: var(--danger);
  border-color: rgba(239, 68, 68, 0.3);
}

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

.btn-sm {
  padding: 4px 10px;
  font-size: 12px;
}

/* =========================================================
   Badges (Issue Types, Priority, Status)
   ========================================================= */

.type-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.type-badge.story {
  background: rgba(16, 185, 129, 0.15);
  color: var(--type-story);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.type-badge.task {
  background: rgba(56, 189, 248, 0.15);
  color: var(--type-task);
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.type-badge.spike {
  background: rgba(245, 158, 11, 0.15);
  color: var(--type-spike);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.type-badge.defect {
  background: rgba(239, 68, 68, 0.15);
  color: var(--type-defect);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.type-badge.epic {
  background: rgba(168, 85, 247, 0.15);
  color: var(--type-epic);
  border: 1px solid rgba(168, 85, 247, 0.3);
}

.priority-indicator {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 600;
  text-transform: capitalize;
}

.priority-urgent { color: #ef4444; }
.priority-high { color: #f97316; }
.priority-medium { color: #eab308; }
.priority-low { color: #3b82f6; }
.priority-lowest { color: #64748b; }

.status-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 600;
  background: var(--bg-surface-elevated);
  color: var(--text-secondary);
}

/* =========================================================
   App Content Views
   ========================================================= */

.app-main {
  flex: 1;
  padding: 24px 20px;
  overflow-x: auto;
  max-width: 1600px;
  width: 100%;
  margin: 0 auto;
}

.view-container {
  display: none;
}

.view-container.active {
  display: block;
}

/* =========================================================
   Modern Modal / Dialog Component (Native <dialog>)
   ========================================================= */

dialog.modal-dialog {
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  max-width: 680px;
  width: 90%;
  margin: auto;
  padding: 0;
  outline: none;
}

dialog.modal-dialog::backdrop {
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(4px);
}

dialog.modal-dialog-large {
  max-width: 920px;
}

.modal-header {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 18px;
  font-weight: 700;
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 20px;
  cursor: pointer;
  line-height: 1;
  border-radius: var(--radius-sm);
  padding: 4px;
}

.modal-close-btn:hover {
  color: var(--text-primary);
  background: var(--bg-surface-elevated);
}

.modal-body {
  padding: 24px;
  max-height: 75vh;
  overflow-y: auto;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  background: rgba(15, 23, 42, 0.3);
}

/* =========================================================
   Form Controls
   ========================================================= */

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 8px 12px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
}

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

textarea.form-control {
  min-height: 90px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

/* =========================================================
   OTP Code Input (6-digit boxes)
   ========================================================= */

.otp-container {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin: 24px 0;
}

.otp-box {
  width: 50px;
  height: 60px;
  background: var(--bg-surface-elevated);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 26px;
  font-weight: 800;
  text-align: center;
  font-family: var(--font-mono);
  outline: none;
  transition: all 0.2s;
}

.otp-box:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-subtle);
}

/* =========================================================
   Toast Notifications
   ========================================================= */

#toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 12px 18px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: slideIn 0.3s ease;
  min-width: 280px;
}

.toast.success { border-left: 4px solid var(--success); }
.toast.error { border-left: 4px solid var(--danger); }
.toast.info { border-left: 4px solid var(--info); }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Responsive */
@media (max-width: 768px) {
  .app-header { flex-wrap: wrap; }
  .header-center { order: 3; max-width: 100%; width: 100%; margin-top: 8px; }
  .tabs-list { overflow-x: auto; }
}