/**
 * Coinbase Design System for CRRU NOC Ticket Management System
 * Inspired by Coinbase Institutional Design Language
 * Reference: DESIGN.md
 */

:root {
  /* Brand Voltage */
  --cb-primary: #0052ff;
  --cb-primary-hover: #003ecc;
  --cb-primary-active: #002db3;
  --cb-primary-disabled: #a8b8cc;
  --cb-primary-light: #edf2fe;

  /* Neutrals & Surfaces */
  --cb-canvas: #ffffff;
  --cb-surface-soft: #f7f8fa;
  --cb-surface-card: #ffffff;
  --cb-surface-subtle: #f0f2f5;
  --cb-surface-dark: #0a0b0d;
  --cb-surface-dark-elevated: #16181c;

  /* Typography Colors */
  --cb-ink: #0a0b0d;
  --cb-body: #5b616e;
  --cb-body-strong: #0a0b0d;
  --cb-muted: #7c828a;
  --cb-hairline: #dee1e6;
  --cb-hairline-soft: #eef0f3;

  /* Semantic Statuses */
  --cb-status-new: #0052ff;
  --cb-status-solving: #f4b000;
  --cb-status-resolved: #05b169;
  --cb-status-urgent: #cf202f;

  /* Radii */
  --cb-radius-pill: 9999px;
  --cb-radius-2xl: 24px;
  --cb-radius-xl: 16px;
  --cb-radius-lg: 12px;
  --cb-radius-md: 8px;

  /* Typography Stacks */
  --cb-font-sans: 'Prompt', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --cb-font-mono: 'SF Mono', Monaco, Menlo, 'Consolas', monospace;

  /* Transitions */
  --cb-transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Resets & Typo */
body.coinbase-theme {
  font-family: var(--cb-font-sans);
  background-color: var(--cb-canvas);
  color: var(--cb-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
  color: var(--cb-ink);
  font-family: var(--cb-font-sans);
  font-weight: 600;
  letter-spacing: -0.015em;
}

.text-cb-ink { color: var(--cb-ink) !important; }
.text-cb-body { color: var(--cb-body) !important; }
.text-cb-muted { color: var(--cb-muted) !important; }
.text-cb-primary { color: var(--cb-primary) !important; }
.text-cb-success { color: var(--cb-status-resolved) !important; }
.text-cb-warning { color: var(--cb-status-solving) !important; }
.text-cb-danger { color: var(--cb-status-urgent) !important; }
.font-mono-cb { font-family: var(--cb-font-mono) !important; }

/* ─── Buttons ─────────────────────────────────────────────── */
.btn-cb {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--cb-font-sans);
  font-weight: 500;
  font-size: 14px;
  line-height: 1.25;
  padding: 10px 22px;
  border-radius: var(--cb-radius-pill);
  border: 1px solid transparent;
  text-decoration: none !important;
  cursor: pointer;
  transition: var(--cb-transition);
  white-space: nowrap;
}

.btn-cb:focus-visible {
  outline: 2px solid var(--cb-primary);
  outline-offset: 2px;
}

.btn-cb-lg {
  padding: 14px 28px;
  font-size: 16px;
  font-weight: 600;
}

.btn-cb-sm {
  padding: 6px 14px;
  font-size: 13px;
}

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

.btn-cb-primary:hover {
  background-color: var(--cb-primary-hover);
  border-color: var(--cb-primary-hover);
  color: #ffffff !important;
  transform: translateY(-1px);
}

.btn-cb-primary:active {
  background-color: var(--cb-primary-active);
  transform: translateY(0);
}

.btn-cb-secondary {
  background-color: var(--cb-surface-subtle);
  color: var(--cb-ink) !important;
  border-color: var(--cb-hairline-soft);
}

.btn-cb-secondary:hover {
  background-color: var(--cb-hairline);
  color: var(--cb-ink) !important;
}

.btn-cb-outline {
  background-color: transparent;
  color: var(--cb-ink) !important;
  border-color: var(--cb-hairline);
}

.btn-cb-outline:hover {
  background-color: var(--cb-surface-soft);
  border-color: var(--cb-ink);
  color: var(--cb-ink) !important;
}

.btn-cb-ghost {
  background-color: transparent;
  color: var(--cb-primary) !important;
  border-color: transparent;
}

.btn-cb-ghost:hover {
  background-color: var(--cb-primary-light);
  color: var(--cb-primary-hover) !important;
}

/* ─── Cards & Surfaces ────────────────────────────────────── */
.card-cb {
  background-color: var(--cb-surface-card);
  border: 1px solid var(--cb-hairline);
  border-radius: var(--cb-radius-xl);
  padding: 24px;
  transition: var(--cb-transition);
  position: relative;
}

.card-cb-elevated {
  box-shadow: 0 4px 16px rgba(10, 11, 13, 0.04);
}

.card-cb-hover:hover {
  border-color: var(--cb-primary);
  box-shadow: 0 8px 24px rgba(0, 82, 255, 0.08);
  transform: translateY(-2px);
}

.card-cb-soft {
  background-color: var(--cb-surface-soft);
  border: 1px solid var(--cb-hairline-soft);
  border-radius: var(--cb-radius-xl);
  padding: 24px;
}

/* ─── Top Navbar ─────────────────────────────────────────── */
.navbar-cb {
  height: 70px;
  background-color: var(--cb-canvas);
  border-bottom: 1px solid var(--cb-hairline);
  position: sticky;
  top: 0;
  z-index: 1020;
}

.navbar-cb-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none !important;
  color: var(--cb-ink) !important;
  font-weight: 600;
  font-size: 18px;
}

.navbar-cb-brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background-color: var(--cb-primary);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
}

.nav-link-cb {
  color: var(--cb-body);
  font-weight: 500;
  font-size: 15px;
  padding: 8px 16px;
  border-radius: var(--cb-radius-pill);
  text-decoration: none !important;
  transition: var(--cb-transition);
}

.nav-link-cb:hover {
  color: var(--cb-ink);
  background-color: var(--cb-surface-subtle);
}

.nav-link-cb.active {
  color: var(--cb-primary);
  background-color: var(--cb-primary-light);
  font-weight: 600;
}

/* ─── Badges & Tags ──────────────────────────────────────── */
.badge-cb {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  padding: 5px 12px;
  border-radius: var(--cb-radius-pill);
  line-height: 1.2;
}

.badge-cb-sm {
  font-size: 11px;
  padding: 3px 8px;
}

.badge-cb-new {
  background-color: var(--cb-primary-light);
  color: var(--cb-primary);
  border: 1px solid rgba(0, 82, 255, 0.2);
}

.badge-cb-solving {
  background-color: #fff9e6;
  color: #a06800;
  border: 1px solid #fde293;
}

.badge-cb-resolved {
  background-color: #e6f7ef;
  color: var(--cb-status-resolved);
  border: 1px solid #a8e5c4;
}

.badge-cb-urgent {
  background-color: #fde8ea;
  color: var(--cb-status-urgent);
  border: 1px solid #f8b4ba;
}

.badge-cb-secondary {
  background-color: var(--cb-surface-subtle);
  color: var(--cb-ink);
  border: 1px solid var(--cb-hairline);
}

.tag-cb-clickable {
  background-color: var(--cb-surface-soft);
  color: var(--cb-body);
  border: 1px solid var(--cb-hairline);
  border-radius: var(--cb-radius-pill);
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 500;
  text-decoration: none !important;
  cursor: pointer;
  transition: var(--cb-transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.tag-cb-clickable:hover {
  background-color: var(--cb-primary-light);
  border-color: var(--cb-primary);
  color: var(--cb-primary);
}

/* ─── Forms & Inputs ─────────────────────────────────────── */
.form-control-cb {
  display: block;
  width: 100%;
  padding: 12px 18px;
  font-size: 15px;
  font-family: var(--cb-font-sans);
  color: var(--cb-ink);
  background-color: #ffffff;
  border: 1px solid var(--cb-hairline);
  border-radius: var(--cb-radius-lg);
  transition: var(--cb-transition);
  line-height: 1.5;
}

.form-control-cb:focus {
  border-color: var(--cb-primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(0, 82, 255, 0.12);
}

.form-control-cb::placeholder {
  color: var(--cb-muted);
}

.input-pill-search {
  border-radius: var(--cb-radius-pill);
  padding-left: 24px;
  padding-right: 24px;
  font-size: 16px;
  height: 56px;
}

/* ─── Stepper (4-Stage Incident Lifecycle) ───────────────── */
.stepper-cb {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  margin: 32px 0;
  width: 100%;
}

.stepper-cb-line {
  position: absolute;
  top: 20px;
  left: 40px;
  right: 40px;
  height: 2px;
  background-color: var(--cb-hairline);
  z-index: 1;
}

.stepper-cb-step {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background-color: transparent;
  flex: 1;
}

.stepper-cb-circle {
  width: 42px;
  height: 42px;
  border-radius: var(--cb-radius-pill);
  background-color: #ffffff;
  border: 2px solid var(--cb-hairline);
  color: var(--cb-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 15px;
  transition: var(--cb-transition);
  margin-bottom: 8px;
}

.stepper-cb-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--cb-muted);
  transition: var(--cb-transition);
}

.stepper-cb-step.completed .stepper-cb-circle {
  background-color: var(--cb-status-resolved);
  border-color: var(--cb-status-resolved);
  color: #ffffff;
}

.stepper-cb-step.completed .stepper-cb-label {
  color: var(--cb-ink);
  font-weight: 600;
}

.stepper-cb-step.active .stepper-cb-circle {
  background-color: var(--cb-primary);
  border-color: var(--cb-primary);
  color: #ffffff;
  box-shadow: 0 0 0 4px rgba(0, 82, 255, 0.18);
}

.stepper-cb-step.active .stepper-cb-label {
  color: var(--cb-primary);
  font-weight: 600;
}

/* ─── Timeline / Audit History Stream ────────────────────── */
.timeline-cb {
  position: relative;
  padding-left: 28px;
}

.timeline-cb::before {
  content: '';
  position: absolute;
  top: 6px;
  bottom: 6px;
  left: 9px;
  width: 2px;
  background-color: var(--cb-hairline);
}

.timeline-cb-item {
  position: relative;
  margin-bottom: 24px;
}

.timeline-cb-item:last-child {
  margin-bottom: 0;
}

.timeline-cb-dot {
  position: absolute;
  left: -28px;
  top: 4px;
  width: 20px;
  height: 20px;
  border-radius: var(--cb-radius-pill);
  background-color: #ffffff;
  border: 3px solid var(--cb-primary);
}

.timeline-cb-dot.success {
  border-color: var(--cb-status-resolved);
}

.timeline-cb-card {
  background-color: var(--cb-surface-soft);
  border: 1px solid var(--cb-hairline-soft);
  border-radius: var(--cb-radius-lg);
  padding: 16px 20px;
}

/* ─── Footer ─────────────────────────────────────────────── */
.footer-cb {
  background-color: var(--cb-canvas);
  border-top: 1px solid var(--cb-hairline);
  padding: 40px 0 32px;
  color: var(--cb-muted);
  font-size: 14px;
}

/* ─── Responsive Adjustments ─────────────────────────────── */
@media (max-width: 768px) {
  .stepper-cb-label {
    font-size: 12px;
  }
  .stepper-cb-circle {
    width: 36px;
    height: 36px;
    font-size: 13px;
  }
  .stepper-cb-line {
    top: 18px;
    left: 24px;
    right: 24px;
  }
}

/* Vertical Stepper for Mobile (< 576px) */
@media (max-width: 575.98px) {
  .stepper-cb {
    flex-direction: column !important;
    align-items: flex-start !important;
    margin: 20px 0 !important;
    padding-left: 8px !important;
  }
  .stepper-cb-line {
    top: 20px !important;
    bottom: 20px !important;
    left: 26px !important;
    right: auto !important;
    width: 2px !important;
    height: auto !important;
  }
  .stepper-cb-step {
    flex-direction: row !important;
    align-items: center !important;
    text-align: left !important;
    margin-bottom: 20px !important;
    flex: unset !important;
    width: 100% !important;
  }
  .stepper-cb-step:last-child {
    margin-bottom: 0 !important;
  }
  .stepper-cb-circle {
    width: 36px !important;
    height: 36px !important;
    font-size: 13px !important;
    margin-bottom: 0 !important;
    margin-right: 14px !important;
    flex-shrink: 0 !important;
    background-color: #ffffff !important;
  }
  .stepper-cb-label {
    font-size: 13px !important;
    line-height: 1.35 !important;
  }
}

/* Mobile Touch & Form Polish */
@media (max-width: 768px) {
  .form-control-cb,
  .form-select-cb,
  .input-group-text {
    min-height: 44px !important;
    font-size: 14px !important;
  }
  .btn-cb {
    min-height: 40px !important;
  }
  .btn-cb-sm {
    min-height: 34px !important;
    padding: 6px 12px !important;
  }
  .card-cb {
    padding: 16px !important;
    border-radius: var(--cb-radius-lg) !important;
  }
  .card-cb-elevated.p-4,
  .card-cb-elevated.p-md-5 {
    padding: 18px !important;
  }
}

/* ─── Icon Bubble & Box Base Styles ──────────────────────── */
.icon-bubble,
.cb-icon-box {
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  border-radius: var(--cb-radius-lg);
  flex-shrink: 0;
  position: relative;
  line-height: 1;
}

/* ─── Admin Layout Harmonization ─────────────────────────── */
.navbar.default-layout {
  height: 70px !important;
  min-height: 70px !important;
  background: #ffffff !important;
  border-bottom: 1px solid var(--cb-hairline) !important;
  flex-wrap: nowrap !important;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03) !important;
  padding: 0 !important;
}

.page-body-wrapper {
  padding-top: 70px !important;
  min-height: calc(100vh - 70px) !important;
}

/* Desktop Layout (>= 992px) */
@media (min-width: 992px) {
  .navbar.default-layout .navbar-brand-wrapper {
    height: 70px !important;
    width: 240px !important;
    min-width: 240px !important;
    padding: 0 1.25rem !important;
    background: #ffffff !important;
    border-right: 1px solid var(--cb-hairline) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: flex-start !important;
  }

  .navbar.default-layout .navbar-brand-wrapper .brand-logo-mini {
    display: none !important;
  }

  .navbar.default-layout .navbar-menu-wrapper {
    height: 70px !important;
    width: calc(100% - 240px) !important;
    padding: 0 1.5rem !important;
    background: #ffffff !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    flex-grow: 1 !important;
  }

  .sidebar {
    width: 240px !important;
    min-width: 240px !important;
    background: #ffffff !important;
    border-right: 1px solid var(--cb-hairline) !important;
    min-height: calc(100vh - 70px) !important;
  }

  .main-panel {
    width: calc(100% - 240px) !important;
    min-height: calc(100vh - 70px) !important;
  }

  .content-wrapper {
    background-color: var(--cb-surface-soft) !important;
    padding: 1.75rem 2rem !important;
  }
}

/* Mobile & Tablet Layout (< 992px) */
@media (max-width: 991.98px) {
  .navbar.default-layout .navbar-brand-wrapper {
    height: 70px !important;
    width: auto !important;
    min-width: unset !important;
    padding: 0 0.875rem !important;
    background: #ffffff !important;
    border-right: none !important;
    display: flex !important;
    align-items: center !important;
    justify-content: flex-start !important;
  }

  .navbar.default-layout .navbar-brand-wrapper .brand-logo {
    display: none !important;
  }

  .navbar.default-layout .navbar-brand-wrapper .brand-logo-mini {
    display: flex !important;
  }

  .navbar.default-layout .navbar-brand-wrapper .navbar-toggler:not(.d-lg-none) {
    display: none !important;
  }

  .navbar.default-layout .navbar-menu-wrapper {
    height: 70px !important;
    width: auto !important;
    padding: 0 0.875rem !important;
    background: #ffffff !important;
    display: flex !important;
    align-items: center !important;
    justify-content: flex-end !important;
    flex-grow: 1 !important;
  }

  .main-panel {
    width: 100% !important;
    min-height: calc(100vh - 70px) !important;
  }

  .sidebar.sidebar-offcanvas {
    position: fixed !important;
    top: 70px !important;
    bottom: 0 !important;
    right: -280px !important;
    width: 280px !important;
    min-width: 280px !important;
    max-height: calc(100vh - 70px) !important;
    min-height: unset !important;
    z-index: 1030 !important;
    background: #ffffff !important;
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.12) !important;
    transition: right 0.25s cubic-bezier(0.4, 0, 0.2, 1) !important;
    overflow-y: auto !important;
    border-left: 1px solid var(--cb-hairline) !important;
    border-right: none !important;
  }

  .sidebar.sidebar-offcanvas.active {
    right: 0 !important;
  }

  .content-wrapper {
    background-color: var(--cb-surface-soft) !important;
    padding: 1.25rem 0.875rem !important;
  }
}

/* Sidebar Overrides */
.sidebar .nav .nav-item .nav-link {
  border-radius: var(--cb-radius-pill) !important;
  margin: 3px 12px !important;
  padding: 10px 16px !important;
  color: var(--cb-body) !important;
  font-weight: 500 !important;
  display: flex !important;
  align-items: center !important;
  font-family: var(--cb-font-sans) !important;
  font-size: 14px !important;
}

.sidebar .nav .nav-item .nav-link:hover {
  background-color: var(--cb-surface-subtle) !important;
  color: var(--cb-ink) !important;
}

.sidebar .nav .nav-item.active > .nav-link,
.sidebar .nav .nav-item .nav-link.active {
  background-color: var(--cb-primary-light) !important;
  color: var(--cb-primary) !important;
  font-weight: 600 !important;
}

.sidebar .nav .nav-item.nav-category {
  margin: 14px 16px 6px 16px !important;
  padding: 4px 0 !important;
  font-size: 11px !important;
  letter-spacing: 0.5px !important;
  text-transform: uppercase !important;
  color: var(--cb-muted) !important;
  font-weight: 700 !important;
  border-bottom: none !important;
}

.sidebar .nav.sub-menu {
  padding: 4px 0 6px 1.5rem !important;
}

.sidebar .nav.sub-menu .nav-item .nav-link {
  padding: 8px 14px !important;
  font-size: 13px !important;
  margin: 2px 8px !important;
}

/* Sidebar menu arrow chevron transition */
.sidebar .nav .nav-item .nav-link i.menu-arrow {
  margin-left: auto !important;
  font-size: 11px !important;
  transition: transform 0.2s ease !important;
}
.sidebar .nav .nav-item .nav-link[aria-expanded="true"] i.menu-arrow {
  transform: rotate(180deg) !important;
}

/* Active collapse parent header styling (cleaner hierarchy when submenu is open) */
.sidebar .nav > .nav-item.active > .nav-link[data-bs-toggle="collapse"]:not(.collapsed),
.sidebar .nav > .nav-item.active > .nav-link[data-bs-toggle="collapse"][aria-expanded="true"] {
  background-color: transparent !important;
  color: var(--cb-primary) !important;
}
.sidebar .nav > .nav-item.active > .nav-link[data-bs-toggle="collapse"]:hover {
  background-color: var(--cb-surface-subtle) !important;
}

/* ─── Dashboard Ultrawide & Component System ─────────────── */
.dashboard-container {
  max-width: 1560px;
  margin: 0 auto;
  width: 100%;
}

/* KPI Stat Cards */
.stat-card-cb {
  background: #ffffff;
  border: 1px solid var(--cb-hairline);
  border-radius: var(--cb-radius-xl);
  padding: 18px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-decoration: none !important;
  color: inherit !important;
  transition: var(--cb-transition);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
}

.stat-card-cb:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px -6px rgba(0, 0, 0, 0.06);
  border-color: var(--cb-primary);
}

.stat-card-cb .stat-value {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--cb-ink);
  letter-spacing: -0.02em;
}

.stat-card-cb .stat-label {
  font-size: 13px;
  color: var(--cb-muted);
  font-weight: 500;
  margin-bottom: 4px;
}

.stat-card-cb .stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--cb-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

/* Action Hub Card Polish */
.action-hub-card {
  transition: var(--cb-transition);
  border: 1px solid var(--cb-hairline);
}

.action-hub-card:hover {
  transform: translateY(-3px);
  border-color: #c0d1ff;
  box-shadow: 0 12px 28px -6px rgba(0, 82, 255, 0.08);
}