/* ═══════════════════════════════════════════════════════════════════════
   Base — Shared tokens, reset, topbar, buttons, modals, toast
   Loaded on every page via base.html
═══════════════════════════════════════════════════════════════════════ */

/* ─── United-Inspired Brand Tokens ───────────────────────────────────── */
:root {
  /* United core brand colors:
     United Blue (Pantone 286) and Rhapsody Blue (Pantone 289).
     Gold is slightly darkened for readable text on light surfaces. */
  --ak-blue:       #064596;
  --ak-sky:        #6583fd;
  --ak-gold-ink:   #c3a100;
  --ak-navy:       #001d5b;
  /* Supporting semantic colors */
  --ak-green:      #32CD32;
  --ak-red:        #b42318;
  --ak-purple:     #6600c3;
  --ak-dark-gray:  #526073;
  --ak-light-gray: #93a1b5;
  --ak-black:      #111827;

  /* RGB helpers for translucent treatments */
  --brand-blue-rgb:   0, 51, 160;
  --brand-gold-rgb:   198, 146, 20;
  --brand-navy-rgb:   0, 29, 91;
  --brand-purple-rgb: 79, 118, 199;
  --success-rgb:      6, 118, 71;
  --danger-rgb:       180, 35, 24;

  /* UI surfaces built from brand palette */
  --bg:          #f3f6fb;
  --surface:     #ffffff;
  --surface2:    #edf2f8;
  --surface3:    #e1e9f4;
  --border:      #cfdae8;
  --border2:     #b5c4d7;
  --text:        #001d5b;
  --text-body:   #25364f;
  --muted:       #526073;
  --muted2:      #7f8ea3;

  /* Typography */
  --mono:        'JetBrains Mono', 'Fira Code', monospace;
  --sans:        'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Radii */
  --radius-sm:   4px;
  --radius:      8px;
  --radius-md:   10px;
  --radius-lg:   14px;

  /* Layout */
  --sidebar-w:   264px;
  --topbar-h:    52px;
  --statusbar-h: 26px;

  /* Fluid spacing */
  --space-sm:    clamp(6px, 0.75vw, 10px);
  --space-md:    clamp(12px, 1.5vw, 18px);
  --space-lg:    clamp(18px, 2vw, 28px);
  --space-xl:    clamp(24px, 3vw, 40px);
  --space-2xl:   clamp(32px, 4vw, 56px);

  /* Fluid type */
  --text-xs:     clamp(10px, 0.7vw, 11px);
  --text-sm:     clamp(11px, 0.8vw, 12px);
  --text-base:   clamp(12px, 0.9vw, 13px);
  --text-md:     clamp(13px, 1vw, 14px);
  --text-lg:     clamp(16px, 1.2vw, 18px);
  --text-xl:     clamp(18px, 1.5vw, 22px);
  --text-2xl:    clamp(22px, 2vw, 28px);

  /* Shadows */
  --shadow-xs:   0 1px 2px rgba(var(--brand-navy-rgb), .05);
  --shadow-sm:   0 1px 4px rgba(var(--brand-navy-rgb), .07);
  --shadow-md:   0 4px 12px rgba(var(--brand-navy-rgb), .08);
  --shadow-lg:   0 8px 24px rgba(var(--brand-navy-rgb), .10);
  --shadow-xl:   0 16px 48px rgba(var(--brand-navy-rgb), .14);

  /* Transitions */
  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast:    120ms;
  --dur-normal:  200ms;
  --dur-slow:    350ms;

  /* Focus */
  --focus-ring:  0 0 0 2px var(--surface), 0 0 0 4px var(--ak-blue);
}

/* ─── Reset ──────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; overflow: hidden; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text-body);
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
button { cursor: pointer; font-family: inherit; }

::selection {
  background: rgba(var(--brand-blue-rgb), .18);
  color: var(--text);
}

*:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

/* Refined scrollbars */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(var(--brand-navy-rgb), .12);
  border-radius: 3px;
  transition: background var(--dur-normal);
}
::-webkit-scrollbar-thumb:hover { background: var(--ak-blue); }

/* ─── Keyframes ──────────────────────────────────────────────────────── */
@keyframes spin { to { transform: rotate(360deg); } }

@keyframes gentle-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.96); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes toastIn {
  from { opacity: 0; transform: translateY(10px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes cardIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── Empty / Loading ────────────────────────────────────────────────── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl) var(--space-lg);
  color: var(--muted2);
  gap: 10px;
  text-align: center;
}
.empty-state .icon { font-size: 40px; opacity: .2; }
.empty-state p { font-size: var(--text-md); color: var(--muted); }
.empty-state small { font-size: var(--text-xs); font-family: var(--mono); }
.spinner {
  width: 16px; height: 16px;
  border: 2px solid var(--border2);
  border-top-color: var(--ak-blue);
  border-radius: 50%;
  animation: spin .6s linear infinite;
  display: inline-block;
}

/* ─── Top Bar ────────────────────────────────────────────────────────── */
#topbar {
  height: var(--topbar-h);
  background: var(--ak-navy);
  box-shadow: inset 0 -2px 0 var(--ak-sky), 0 2px 12px rgba(var(--brand-navy-rgb), .3);
  display: flex;
  align-items: center;
  padding: 0 var(--space-md);
  gap: 0;
  flex-shrink: 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0;
  margin-right: 14px;
}
.logo-mark {
  display: flex;
  align-items: center;
  gap: 0;
  transition: opacity var(--dur-normal) var(--ease-out);
}
.logo-mark:hover { opacity: .85; }
.logo-land {
  font-size: 17px;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -.5px;
}
.logo-lord {
  font-size: 17px;
  font-weight: 300;
  color: rgba(255,255,255,.76);
  letter-spacing: -.3px;
  margin-left: 0px;
}
.logo-sep {
  width: 1px;
  height: 20px;
  background: rgba(255,255,255,.12);
  margin: 0 14px;
}

#topbar .spacer { flex: 1; }

/* Tool-level navigation (top bar) */
.tool-nav { display: flex; gap: 2px; margin: 0 12px; }
.tool-nav-link {
  color: rgba(255,255,255,.5);
  font-size: var(--text-base);
  font-weight: 500;
  padding: 6px 14px;
  border-radius: var(--radius) var(--radius) 0 0;
  text-decoration: none;
  transition: color var(--dur-normal) var(--ease-out), background var(--dur-normal) var(--ease-out);
  letter-spacing: .2px;
  position: relative;
}
.tool-nav-link:hover { color: #fff; background: rgba(255,255,255,.06); }
.tool-nav-link.active {
  color: #fff;
  background: linear-gradient(180deg, rgba(var(--brand-blue-rgb), .36), rgba(var(--brand-navy-rgb), .4));
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.12);
}
.tool-nav-link.active::after {
  content: '';
  position: absolute; bottom: 0; left: 20%; right: 20%;
  height: 3px;
  background: #ffffff;
  border-radius: 2px 2px 0 0;
}

.admin-section-nav {
  display: flex;
  gap: 8px;
  margin-bottom: var(--space-lg);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.admin-section-link {
  display: inline-flex;
  align-items: center;
  padding: 7px 12px;
  border-radius: var(--radius);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--muted);
  background: var(--surface2);
  transition: color var(--dur-normal) var(--ease-out), background var(--dur-normal) var(--ease-out);
}

.admin-section-link:hover {
  color: var(--text);
  background: var(--surface3);
}

.admin-section-link.active {
  color: var(--ak-blue);
  background: rgba(var(--brand-blue-rgb), .12);
}

/* ─── User Info (topbar) ─────────────────────────────────────────────── */
.user-info {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--text-sm);
  color: rgba(255,255,255,.7);
  position: relative;
}
/* Socket connection indicator */
.socket-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--ak-green);
  flex-shrink: 0;
  transition: background .3s;
  margin-left: 5px;
}
.socket-dot.disconnected { background: var(--ak-red); }

.user-name { font-weight: 500; color: #fff; }
.account-menu {
  position: relative;
}
.user-menu-trigger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: none;
  color: #fff;
  font-size: var(--text-sm);
  font-weight: 500;
  padding: 4px 6px;
  border-radius: var(--radius);
  transition: background var(--dur-fast) var(--ease-out);
}
.user-menu-trigger:hover {
  background: rgba(255,255,255,.08);
}
.user-menu-caret {
  font-size: 10px;
  color: rgba(255,255,255,.65);
}
.user-menu-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 180px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 6px;
  z-index: 100;
}
.user-menu-dropdown.open {
  display: block;
  animation: cardIn var(--dur-fast) var(--ease-out);
}
.user-menu-item {
  width: 100%;
  display: flex;
  align-items: center;
  background: transparent;
  border: none;
  color: var(--text-body);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: 9px 10px;
  border-radius: var(--radius-sm);
  transition: background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
  text-align: left;
}
.user-menu-item:hover {
  background: var(--surface2);
  color: var(--ak-blue);
}
.user-role-badge {
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .8px;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
}
.user-role-badge.role-editor   { background: rgba(var(--brand-blue-rgb), .18); color: var(--ak-blue); }
.user-role-badge.role-approver { background: rgba(var(--brand-gold-rgb), .18); color: var(--ak-gold-ink); }
.user-role-badge.role-admin    { background: rgba(var(--success-rgb), .18); color: var(--ak-green); }
/* ─── Buttons ────────────────────────────────────────────────────────── */
.icon-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--muted);
  width: 26px;
  height: 26px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  transition: all var(--dur-fast) var(--ease-out);
}
.icon-btn:hover { border-color: var(--ak-blue); color: var(--ak-blue); background: rgba(var(--brand-blue-rgb), .06); }
.icon-btn:focus-visible { box-shadow: var(--focus-ring); }

.btn-sm {
  width: 100%;
  background: var(--ak-navy);
  border: none;
  color: #fff;
  font-size: var(--text-sm);
  font-weight: 600;
  padding: 7px 14px;
  border-radius: var(--radius);
  transition: background var(--dur-normal) var(--ease-out), transform var(--dur-fast);
  font-family: var(--sans);
}
.btn-sm:hover { background: var(--ak-blue); }
.btn-sm:active { transform: scale(0.97); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text-body);
  font-family: var(--sans);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--radius);
  transition: all var(--dur-normal) var(--ease-out);
  white-space: nowrap;
  box-shadow: var(--shadow-xs);
}
.btn:hover { background: var(--surface3); border-color: var(--border2); box-shadow: var(--shadow-sm); }
.btn:active { transform: scale(0.97); box-shadow: none; }
.btn:disabled { opacity: .35; pointer-events: none; }
.btn:focus-visible { box-shadow: var(--focus-ring); }
.btn.primary  { background: var(--ak-blue); color: #fff; border-color: var(--ak-blue); }
.btn.primary:hover { background: #002b85; border-color: #002b85; box-shadow: 0 2px 8px rgba(var(--brand-blue-rgb), .25); }
.btn.success  { background: var(--ak-green); color: #fff; border-color: var(--ak-green); }
.btn.success:hover { opacity: .85; }
.btn.warn     { color: var(--ak-gold-ink); border-color: var(--ak-sky); }
.btn.warn:hover { background: var(--ak-sky); color: var(--ak-navy); }
.btn.danger   { color: var(--ak-red); border-color: var(--ak-red); }
.btn.danger:hover { background: var(--ak-red); color: #fff; }
.btn.info     { color: var(--ak-blue); border-color: var(--ak-blue); }
.btn.info:hover { background: var(--ak-blue); color: #fff; }

.btn-xs { font-size: var(--text-xs); padding: 3px 8px; }

/* ─── Shared Form Elements ───────────────────────────────────────────── */
.form-input {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text-body);
  padding: 10px 12px;
  border-radius: var(--radius);
  font-size: var(--text-base);
  font-family: var(--sans);
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
}
.form-input:focus { outline: none; border-color: var(--ak-blue); box-shadow: 0 0 0 3px rgba(var(--brand-blue-rgb), .1); }

/* ─── Page Title / Subtitle ──────────────────────────────────────────── */
.page-title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--ak-navy);
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.page-title::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 22px;
  background: linear-gradient(180deg, var(--ak-blue), var(--ak-sky));
  border-radius: 2px;
}
.page-subtitle { font-size: var(--text-base); color: var(--muted); margin-bottom: var(--space-lg); }

/* ─── Sub-navigation bar ─────────────────────────────────────────────── */
.sub-nav {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--ak-navy);
  border-bottom: 1px solid rgba(255,255,255,.06);
  padding: 0 24px;
  height: 38px;
}

/* Nav tabs (inside sub-nav) */
.sub-nav nav { display: flex; gap: 2px; margin: 0 12px; }
.tab-btn {
  background: none;
  border: none;
  color: rgba(255,255,255,.5);
  font-size: var(--text-base);
  font-weight: 500;
  font-family: inherit;
  padding: 6px 14px;
  border-radius: var(--radius) var(--radius) 0 0;
  transition: color var(--dur-normal) var(--ease-out), background var(--dur-normal) var(--ease-out);
  letter-spacing: .2px;
  position: relative;
  text-decoration: none;
  cursor: pointer;
}
.tab-btn::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--ak-blue);
  border-radius: 1px;
  transition: width var(--dur-normal) var(--ease-out), left var(--dur-normal) var(--ease-out);
}
.tab-btn:hover {
  background: rgba(255,255,255,.06);
  color: rgba(255,255,255,.85);
}
.tab-btn:hover::after { width: 60%; left: 20%; }
.tab-btn.active {
  background: linear-gradient(180deg, rgba(var(--brand-blue-rgb), .36), rgba(var(--brand-navy-rgb), .4));
  color: #ffffff;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.12);
}
.tab-btn.active::after {
  width: 100%;
  left: 0;
  height: 3px;
  background: #ffffff;
}
.tab-btn:focus-visible { box-shadow: var(--focus-ring); }
.tab-btn .badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--ak-sky);
  color: var(--ak-navy);
  font-size: 9px;
  font-weight: 700;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  margin-left: 5px;
  vertical-align: middle;
}

/* ─── Confirm Modal ──────────────────────────────────────────────────── */
.confirm-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(var(--brand-navy-rgb), .45);
  align-items: center;
  justify-content: center;
}
.confirm-overlay.open { display: flex; }
.confirm-box {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 24px 28px;
  max-width: 440px;
  width: 90%;
}
.confirm-msg {
  margin: 0 0 20px;
  white-space: pre-wrap;
  line-height: 1.55;
  color: var(--text-body);
}
.confirm-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.password-modal-box {
  max-width: 480px;
}
.password-modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}
.password-modal-title {
  font-size: var(--text-lg);
  color: var(--ak-navy);
  margin-bottom: 4px;
}
.password-modal-subtitle {
  font-size: var(--text-sm);
  color: var(--muted);
}
.password-modal-fields {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 20px;
}
.password-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.password-field label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-body);
}
.password-modal-error {
  min-height: 18px;
  color: var(--ak-red);
  font-size: var(--text-sm);
}

/* ─── Toast ──────────────────────────────────────────────────────────── */
#toast {
  position: fixed;
  bottom: 36px;
  right: 22px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}
.toast-item {
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  color: var(--text-body);
  font-size: var(--text-sm);
  padding: 10px 16px;
  border-radius: var(--radius-md);
  animation: toastIn var(--dur-normal) var(--ease-out);
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: 340px;
  pointer-events: auto;
  box-shadow: var(--shadow-lg);
}
.toast-item.success { border-left: 3px solid var(--ak-green); }
.toast-item.error   { border-left: 3px solid var(--ak-red);   }
.toast-item.info    { border-left: 3px solid var(--ak-blue);  }
.toast-item.warn    { border-left: 3px solid var(--ak-sky); }


/* ─── Shared Filters & Pagination ────────────────────────────────────
   Used by: tenants (approvals), audit log, cert dashboard             */

.approval-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-end;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-md);
  margin-bottom: var(--space-md);
  box-shadow: var(--shadow-xs);
}
.filter-group { display: flex; flex-direction: column; gap: 4px; }
.filter-group label {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .7px;
  color: var(--muted);
}
.filter-input {
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text-body);
  padding: 6px 10px;
  border-radius: var(--radius);
  font-size: var(--text-sm);
  font-family: var(--sans);
  min-width: 120px;
  transition: border-color var(--dur-fast);
}
.filter-input:focus { outline: none; border-color: var(--ak-blue); box-shadow: 0 0 0 3px rgba(var(--brand-blue-rgb), .1); }
select.filter-input { cursor: pointer; }
.filter-actions {
  display: flex;
  gap: 6px;
  align-items: flex-end;
  margin-left: auto;
}

.approval-pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0 4px;
  gap: 12px;
}
.page-info {
  font-size: var(--text-sm);
  color: var(--muted);
}
.page-btns {
  display: flex;
  gap: 4px;
}
.page-btn {
  width: auto;
  min-width: 30px;
  padding: 4px 8px;
  font-size: var(--text-sm);
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-body);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-out);
}
.page-btn:hover:not(:disabled) { border-color: var(--ak-blue); color: var(--ak-blue); }
.page-btn.active { background: var(--ak-blue); color: #fff; border-color: var(--ak-blue); }
.page-btn:disabled { opacity: .35; cursor: default; }