/* =============================================================
   FLOOD MONITORING SYSTEM — base.css
   Global tokens, typography, layout, sidebar, topbar, tables,
   buttons, badges, metrics cards, modals, and utilities.
   ============================================================= */

:root {
  /* Color palette */
  --clr-bg:            #0b0f1a;
  --clr-surface:       #111827;
  --clr-surface-2:     #1a2235;
  --clr-border:        #1e2d45;
  --clr-border-subtle: #162032;

  --clr-primary:       #38bdf8;
  --clr-primary-dim:   rgba(56, 189, 248, 0.12);
  --clr-accent:        #818cf8;
  --clr-accent-dim:    rgba(129, 140, 248, 0.12);

  --clr-normal:        #22c55e;
  --clr-normal-dim:    rgba(34, 197, 94, 0.14);
  --clr-warning:       #f59e0b;
  --clr-warning-dim:   rgba(245, 158, 11, 0.14);
  --clr-danger:        #ef4444;
  --clr-danger-dim:    rgba(239, 68, 68, 0.14);

  --clr-text:          #e2e8f0;
  --clr-text-muted:    #64748b;
  --clr-text-dim:      #94a3b8;

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

  /* Spacing & Radius */
  --sidebar-w:  260px;
  --gap:        16px;
  --gap-sm:     8px;
  --gap-xs:     4px;
  --radius:     12px;
  --radius-sm:  8px;
  --radius-xs:  6px;

  /* Transitions */
  --transition:      0.25s ease;
  --transition-fast: 0.12s ease;
}

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

html {
  font-size: 15px;
  scroll-behavior: smooth;
  height: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--clr-bg);
  color: var(--clr-text);
  min-height: 100vh;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }
a { color: inherit; text-decoration: none; }

/* Constrain all SVG icons globally so they never explode in size */
svg {
  flex-shrink: 0;
  vertical-align: middle;
}

.hidden { display: none !important; }
.mono   { font-family: var(--font-mono); }
.font-xs { font-size: 0.75rem; }
.font-semibold { font-weight: 600; }
.text-center { text-align: center; }

/* ----------------------------------------------------------------
   APP LAYOUT & SIDEBAR NAVIGATION
   ---------------------------------------------------------------- */
.app-layout {
  display: flex !important;
  flex-direction: row !important;
  min-height: 100vh;
  width: 100vw;
  max-width: 100%;
  background-color: var(--clr-bg);
  overflow-x: hidden;
  position: relative;
}

.sidebar {
  width: var(--sidebar-w);
  min-width: var(--sidebar-w);
  max-width: var(--sidebar-w);
  background: #0d1322;
  border-right: 1px solid var(--clr-border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  height: 100vh;
  z-index: 150;
  transition: transform var(--transition);
}

.sidebar-brand {
  padding: 18px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--clr-border-subtle);
}

.brand-logo .logo-svg {
  width: 36px;
  height: 36px;
  filter: drop-shadow(0 0 8px rgba(56, 189, 248, 0.4));
}

.brand-text h2 {
  font-size: 0.98rem;
  font-weight: 700;
  background: linear-gradient(90deg, var(--clr-primary), var(--clr-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}

.brand-text span {
  font-size: 0.68rem;
  color: var(--clr-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 12px 10px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.sidebar-nav::-webkit-scrollbar { width: 4px; }
.sidebar-nav::-webkit-scrollbar-track { background: transparent; }
.sidebar-nav::-webkit-scrollbar-thumb { background: var(--clr-border); border-radius: 4px; }

.nav-section-title {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--clr-text-muted);
  letter-spacing: 0.08em;
  padding: 12px 10px 4px 10px;
  text-transform: uppercase;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  color: var(--clr-text-dim);
  font-size: 0.85rem;
  font-weight: 500;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.nav-item svg {
  width: 18px;
  height: 18px;
  min-width: 18px;
  min-height: 18px;
  max-width: 18px;
  max-height: 18px;
  transition: transform var(--transition-fast);
}

.nav-item:hover {
  background: var(--clr-surface-2);
  color: var(--clr-text);
}

.nav-item.active {
  background: var(--clr-primary-dim);
  color: var(--clr-primary);
  font-weight: 600;
  box-shadow: inset 2px 0 0 var(--clr-primary);
}

.nav-item.active svg {
  color: var(--clr-primary);
}

.sidebar-footer {
  padding: 12px 14px;
  border-top: 1px solid var(--clr-border-subtle);
  background: var(--clr-surface);
  margin-top: auto;
  flex-shrink: 0;
}

.user-profile {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) 44px;
  align-items: center;
  gap: 10px;
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
  color: #0b0f1a;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.user-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  gap: 5px;
}

.sidebar-footer .user-role {
  align-self: flex-start;
  max-width: 100%;
  padding: 3px 7px;
  border-radius: 6px;
  font-size: 0.6rem;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.035em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.user-name {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--clr-text);
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.btn-logout {
  width: 44px;
  height: 44px;
  color: var(--clr-text-muted);
  padding: 6px;
  border-radius: var(--radius-xs);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

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

.btn-logout:hover {
  color: var(--clr-danger);
  background: var(--clr-danger-dim);
}

.btn-logout svg {
  width: 18px;
  height: 18px;
  min-width: 18px;
  min-height: 18px;
}

/* Sidebar login button */
.btn-sidebar-login {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 12px;
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  color: var(--clr-primary);
  font-size: 0.84rem;
  font-weight: 600;
  transition: all var(--transition-fast);
  text-decoration: none;
  width: 100%;
}

.btn-sidebar-login svg {
  width: 18px;
  height: 18px;
  min-width: 18px;
  min-height: 18px;
  max-width: 18px;
  max-height: 18px;
  flex-shrink: 0;
}

.btn-sidebar-login:hover {
  background: var(--clr-primary-dim);
  border-color: var(--clr-primary);
}

/* ----------------------------------------------------------------
   MAIN WRAPPER & TOPBAR
   ---------------------------------------------------------------- */
.main-wrapper {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  min-width: 0;
  width: calc(100% - var(--sidebar-w));
  min-height: 100vh;
  background-color: var(--clr-bg);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background: rgba(17, 24, 39, 0.95);
  border-bottom: 1px solid var(--clr-border);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.sidebar-toggle {
  display: none;
  color: var(--clr-text-muted);
  padding: 6px;
  border-radius: var(--radius-xs);
  cursor: pointer;
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
}

.sidebar-toggle svg {
  width: 20px;
  height: 20px;
  min-width: 20px;
  min-height: 20px;
}

.topbar-breadcrumbs .brand-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--clr-text);
  letter-spacing: 0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.header-clock {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--clr-primary);
  letter-spacing: 0.05em;
}

.header-date {
  font-size: 0.78rem;
  color: var(--clr-text-muted);
}

.connection-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--clr-text-dim);
  background: var(--clr-surface-2);
  padding: 4px 10px;
  border-radius: 20px;
  border: 1px solid var(--clr-border);
}

.connection-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--clr-text-muted);
  flex-shrink: 0;
}

.connection-dot.online  { background: var(--clr-normal); box-shadow: 0 0 6px var(--clr-normal); }
.connection-dot.offline { background: var(--clr-danger); box-shadow: 0 0 6px var(--clr-danger); }

.content-body {
  flex: 1;
  padding: 20px 24px;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.footer, .app-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background: var(--clr-surface);
  border-top: 1px solid var(--clr-border);
  font-size: 0.75rem;
  color: var(--clr-text-muted);
  letter-spacing: 0.02em;
  margin-top: auto;
}

/* ----------------------------------------------------------------
   PANELS & COMMON UTILITIES
   ---------------------------------------------------------------- */
.panel {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: var(--gap);
  display: flex;
  flex-direction: column;
  gap: var(--gap);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gap-sm);
  padding-bottom: var(--gap-sm);
  border-bottom: 1px solid var(--clr-border-subtle);
}

.panel-title-group {
  display: flex;
  align-items: center;
  gap: var(--gap-sm);
}

.panel-icon {
  width: 18px;
  height: 18px;
  min-width: 18px;
  min-height: 18px;
  color: var(--clr-primary);
}

.panel-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--clr-text);
  letter-spacing: 0.02em;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.page-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--clr-text);
}

.page-subtitle {
  font-size: 0.85rem;
  color: var(--clr-text-muted);
  margin-top: 2px;
}

.grid-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap);
}

.flex-column {
  display: flex;
  flex-direction: column;
}

/* ----------------------------------------------------------------
   METRICS CARDS
   ---------------------------------------------------------------- */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--gap);
}

.metric-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.metric-card:hover {
  transform: translateY(-2px);
  border-color: rgba(56, 189, 248, 0.4);
}

.metric-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.metric-icon svg {
  width: 24px;
  height: 24px;
  min-width: 24px;
  min-height: 24px;
}

.metric-info {
  display: flex;
  flex-direction: column;
}

.metric-label {
  font-size: 0.75rem;
  color: var(--clr-text-muted);
  font-weight: 500;
  text-transform: uppercase;
}

.metric-val {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--clr-text);
  line-height: 1.2;
}

.metric-sub {
  font-size: 0.72rem;
  color: var(--clr-text-dim);
  margin-top: 2px;
}

/* ----------------------------------------------------------------
   DATA TABLES
   ---------------------------------------------------------------- */
.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  text-align: left;
}

.data-table th {
  background: var(--clr-surface-2);
  color: var(--clr-text-dim);
  padding: 12px 14px;
  font-weight: 600;
  border-bottom: 1px solid var(--clr-border);
  white-space: nowrap;
}

.data-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--clr-border-subtle);
  color: var(--clr-text);
  vertical-align: middle;
}

.data-table tbody tr:hover {
  background: rgba(30, 45, 69, 0.35);
}

/* ----------------------------------------------------------------
   FORMS & INPUTS
   ---------------------------------------------------------------- */
.form-group {
  margin-bottom: 14px;
}

.form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--clr-text-dim);
}

.form-input {
  width: 100%;
  padding: 10px 14px;
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  color: var(--clr-text);
  font-family: inherit;
  font-size: 0.88rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px var(--clr-primary-dim);
}

.form-select { cursor: pointer; }

.filter-form {
  display: flex;
  align-items: flex-end;
  gap: 16px;
  flex-wrap: wrap;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 180px;
}

.filter-group label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--clr-text-muted);
  text-transform: uppercase;
}

.filter-actions {
  display: flex;
  gap: 8px;
}

/* ----------------------------------------------------------------
   BUTTONS
   ---------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
  color: #0b0f1a;
  box-shadow: 0 0 15px rgba(56, 189, 248, 0.3);
}

.btn-primary:hover {
  filter: brightness(1.1);
  box-shadow: 0 0 20px rgba(56, 189, 248, 0.5);
}

.btn-secondary {
  background: var(--clr-surface-2);
  color: var(--clr-text);
  border: 1px solid var(--clr-border);
}

.btn-secondary:hover { background: var(--clr-border); }

.btn-danger {
  background: var(--clr-danger);
  color: #fff;
  box-shadow: 0 0 15px rgba(239, 68, 68, 0.3);
}

.btn-danger:hover { filter: brightness(1.1); }

.btn-outline-danger {
  border: 1px solid var(--clr-danger);
  color: var(--clr-danger);
}

.btn-outline-danger:hover { background: var(--clr-danger-dim); }

.btn-outline-primary {
  border: 1px solid var(--clr-primary);
  color: var(--clr-primary);
}

.btn-outline-primary:hover { background: var(--clr-primary-dim); }
.btn-block { width: 100%; }
.btn-xs { padding: 4px 10px; font-size: 0.75rem; border-radius: 4px; }

/* ----------------------------------------------------------------
   BADGES
   ---------------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: var(--radius-xs);
  background: var(--clr-surface-2);
  color: var(--clr-text-dim);
  border: 1px solid var(--clr-border);
}

.badge-live      { background: rgba(239, 68, 68, 0.15); color: #f87171; border-color: rgba(239, 68, 68, 0.35); }
.badge-ok        { background: var(--clr-normal-dim); color: #86efac; border-color: rgba(34, 197, 94, 0.35); }
.badge-offline   { background: rgba(100, 116, 139, 0.15); color: var(--clr-text-muted); border-color: rgba(100, 116, 139, 0.3); }
.badge-normal    { background: var(--clr-normal-dim); color: #86efac; border-color: rgba(34, 197, 94, 0.4); }
.badge-warning   { background: var(--clr-warning-dim); color: #fcd34d; border-color: rgba(245, 158, 11, 0.4); }
.badge-danger    { background: var(--clr-danger-dim); color: #fca5a5; border-color: rgba(239, 68, 68, 0.4); }
.badge-primary   { background: var(--clr-primary-dim); color: var(--clr-primary); border-color: rgba(56, 189, 248, 0.3); }
.badge-secondary { background: var(--clr-surface-2); color: var(--clr-text-dim); border-color: var(--clr-border); }

.badge-role-user       { background: var(--clr-surface-2); color: var(--clr-text-dim); }
.badge-role-admin      { background: var(--clr-primary-dim); color: var(--clr-primary); font-weight: 600; }
.badge-role-superadmin { background: rgba(245, 158, 11, 0.18); color: var(--clr-warning); font-weight: 700; border: 1px solid rgba(245, 158, 11, 0.4); }

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}

.pulse-dot { animation: pulse-glow 1.5s infinite; }

@keyframes pulse-glow {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.4; transform: scale(0.85); }
}

/* ----------------------------------------------------------------
   FLASH MESSAGES & MODALS
   ---------------------------------------------------------------- */
.flash-container {
  padding: 16px 24px 0 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.flash-alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.88rem;
  animation: fade-in 0.3s ease;
}

.flash-success { background: var(--clr-normal-dim); color: #86efac; border: 1px solid var(--clr-normal); }
.flash-danger  { background: var(--clr-danger-dim); color: #fca5a5; border: 1px solid var(--clr-danger); }
.flash-warning { background: var(--clr-warning-dim); color: #fcd34d; border: 1px solid var(--clr-warning); }
.flash-info    { background: var(--clr-primary-dim); color: #7dd3fc; border: 1px solid var(--clr-primary); }

.flash-close {
  color: inherit;
  font-size: 1.2rem;
  cursor: pointer;
  opacity: 0.7;
}

.flash-close:hover { opacity: 1; }

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(11, 15, 26, 0.85);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 16px;
}

.modal-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  width: 100%;
  max-width: 480px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.6);
  animation: fade-in 0.3s ease;
}

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

.modal-title { font-size: 1.05rem; font-weight: 700; }
.modal-close { font-size: 1.3rem; color: var(--clr-text-muted); cursor: pointer; }

/* ----------------------------------------------------------------
   PAGINATION
   ---------------------------------------------------------------- */
.pagination-wrapper {
  padding: 16px;
  display: flex;
  justify-content: center;
  border-top: 1px solid var(--clr-border-subtle);
}

.pagination {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
}

.page-link {
  padding: 6px 14px;
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xs);
  color: var(--clr-primary);
  font-weight: 600;
  transition: all var(--transition-fast);
}

.page-link:hover { background: var(--clr-primary-dim); }
.page-info { color: var(--clr-text-muted); }

/* ----------------------------------------------------------------
   SCROLLBAR & UTILITY ANIMATIONS
   ---------------------------------------------------------------- */
::-webkit-scrollbar       { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--clr-surface); }
::-webkit-scrollbar-thumb { background: var(--clr-border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(56,189,248,0.3); }

@keyframes fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.panel { animation: fade-in 0.4s ease both; }

@media (max-width: 1100px) {
  .grid-2col { grid-template-columns: 1fr; }
}

@media (max-width: 960px) {
  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    transform: translateX(-100%);
    box-shadow: 10px 0 30px rgba(0,0,0,0.5);
  }
  .sidebar.open { transform: translateX(0); }
  .sidebar-toggle { display: inline-flex; }
  .main-wrapper {
    width: 100% !important;
  }
}

@media (max-width: 600px) {
  .topbar { padding: 10px 14px; }
  .topbar-breadcrumbs .brand-title { font-size: 0.85rem; }
  .content-body { padding: 14px 10px; }
  .metrics-grid { grid-template-columns: 1fr; }
}

/* Red "new weather updates" dot on the Weather Advisories menu item (2026-11-09) */
.nav-unseen-dot { width: 9px; height: 9px; margin-left: auto; border-radius: 50%; flex: 0 0 auto;
  background: var(--clr-danger); box-shadow: 0 0 0 3px var(--clr-danger-dim); }
.nav-unseen-dot[hidden] { display: none; }