/* ============================================================
   Reset AI — Global Theme
   Inter font · dark teal + lime-green accent · warm cream bg
   Modern glassmorphism · smooth micro-interactions
   ============================================================ */

/* ---------- Design tokens ---------- */
:root {
  --bg: #f6f4f1;
  --bg-subtle: #efecea;
  --surface: #FFFFFF;
  --surface-alt: #f8f7f5;
  --surface-raised: #FFFFFF;
  --ink: #0a2e23;
  --ink-secondary: #3d5a4e;
  --ink-muted: #7a8f84;
  --accent: #c8eb2d;
  --accent-dark: #a8c820;
  --accent-glow: rgba(200, 235, 45, 0.35);
  --accent-text: #0a2e23;
  --accent-light: rgba(200, 235, 45, 0.15);
  --accent-surface: rgba(200, 235, 45, 0.08);
  --border: rgba(10, 46, 35, 0.08);
  --border-strong: rgba(10, 46, 35, 0.15);
  --border-focus: #0a2e23;
  --glass: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.3);
  --shadow-xs: 0 1px 2px rgba(10, 46, 35, 0.04);
  --shadow-sm: 0 2px 8px rgba(10, 46, 35, 0.06);
  --shadow-md: 0 8px 24px rgba(10, 46, 35, 0.08);
  --shadow-lg: 0 16px 48px rgba(10, 46, 35, 0.1), 0 4px 12px rgba(10, 46, 35, 0.04);
  --shadow-xl: 0 24px 64px rgba(10, 46, 35, 0.14), 0 8px 16px rgba(10, 46, 35, 0.06);
  --shadow-glow: 0 0 20px rgba(200, 235, 45, 0.2);
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-2xl: 36px;
  --high: #dc2626;
  --high-bg: rgba(220, 38, 38, 0.08);
  --high-border: rgba(220, 38, 38, 0.2);
  --medium: #d97706;
  --medium-bg: rgba(217, 119, 6, 0.08);
  --medium-border: rgba(217, 119, 6, 0.2);
  --low: #059669;
  --low-bg: rgba(5, 150, 105, 0.08);
  --low-border: rgba(5, 150, 105, 0.2);
  --info: #2563EB;
  --info-bg: rgba(37, 99, 235, 0.08);
  --info-border: rgba(37, 99, 235, 0.2);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition: 0.2s var(--ease-out);
  --transition-slow: 0.4s var(--ease-out);
  --nav-height: 56px;
  --nav-shell-height: 72px;
  --sidebar-width: 250px;
}

/* ---------- Base reset ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "cv02", "cv03", "cv04", "cv11";
}

body.app-shell {
  height: 100vh;
  overflow: hidden;
}

::selection {
  background: var(--accent);
  color: var(--ink);
}

/* ---------- Navbar ---------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 300;
  padding: 0.5rem 0.5rem 0;
  background: linear-gradient(180deg, rgba(10, 46, 35, 0.98) 0%, rgba(10, 46, 35, 0.94) 100%);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
  padding: 0 1.25rem;
  background: linear-gradient(135deg, #0a2e23 0%, #0d3b2c 50%, #0a2e23 100%);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(255, 255, 255, 0.05) inset;
  color: #fff;
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.sidebar-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  color: #fff;
  cursor: pointer;
  transition: all var(--transition);
}

.sidebar-toggle:hover {
  background: rgba(255,255,255,0.15);
  transform: scale(1.05);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: #fff;
}

.nav-logo {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  filter: drop-shadow(0 0 8px rgba(200, 235, 45, 0.3));
}

.nav-brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.nav-company {
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.nav-tagline {
  font-size: 0.6rem;
  opacity: 0.45;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav-separator {
  width: 1px;
  height: 24px;
  background: rgba(255,255,255,0.12);
  margin: 0 0.15rem;
}

.nav-app-name {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: -0.01em;
  text-shadow: 0 0 12px rgba(200, 235, 45, 0.3);
}

.nav-user {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.user-groups {
  display: flex;
  gap: 0.35rem;
}

.group-badge {
  padding: 0.18rem 0.55rem;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 999px;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: rgba(255,255,255,0.65);
}

.user-badge {
  padding: 0.22rem 0.65rem;
  background: rgba(200, 235, 45, 0.12);
  border: 1px solid rgba(200, 235, 45, 0.15);
  color: var(--accent);
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
}

.logout-form { margin: 0; }

.nav-link {
  font: inherit;
  font-size: 0.75rem;
  font-weight: 500;
  color: rgba(255,255,255,0.55);
  background: none;
  border: 1px solid rgba(255,255,255,0.12);
  padding: 0.28rem 0.7rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.nav-link:hover {
  color: #fff;
  border-color: rgba(255,255,255,0.3);
  background: rgba(255,255,255,0.08);
}

/* ---------- App layout ---------- */
.app-layout {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  height: calc(100vh - var(--nav-shell-height));
  min-height: 0;
  overflow: hidden;
  transition: grid-template-columns 0.3s var(--ease-out);
}

body.sidebar-collapsed .app-layout {
  grid-template-columns: 0px 1fr;
}

body.sidebar-collapsed .sidebar {
  transform: translateX(-100%);
  opacity: 0;
  pointer-events: none;
}

/* ---------- Sidebar ---------- */
.sidebar {
  position: sticky;
  top: 0;
  align-self: start;
  height: 100%;
  background: var(--surface);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: 1.25rem 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  transition: transform 0.3s var(--ease-out), opacity 0.25s ease;
  z-index: 20;
}

.sidebar-section {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.sidebar-label {
  display: block;
  font-size: 0.62rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-muted);
  padding: 0 0.75rem;
  margin-bottom: 0.45rem;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--ink-secondary);
  font-size: 0.84rem;
  font-weight: 500;
  transition: all var(--transition);
  position: relative;
}

.sidebar-link:hover {
  background: var(--surface-alt);
  color: var(--ink);
  transform: translateX(2px);
}

.sidebar-link.active {
  background: var(--accent-light);
  color: var(--ink);
  font-weight: 600;
}

.sidebar-link.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 60%;
  background: var(--accent);
  border-radius: 0 2px 2px 0;
}

/* ---------- Content area ---------- */
.content-area {
  overflow-y: auto;
  height: 100%;
  min-height: 0;
  min-width: 0;
  background: var(--bg);
}

.main-content {
  padding: 1.75rem 2rem;
  max-width: 1440px;
}

/* ---------- Messages / Alerts ---------- */
.messages-container {
  padding: 1rem 2rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.alert {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.7rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.84rem;
  font-weight: 500;
  transition: opacity 0.3s, transform 0.3s;
  border: 1px solid transparent;
  backdrop-filter: blur(8px);
}

.alert-success { background: var(--low-bg); color: var(--low); border-color: var(--low-border); }
.alert-error { background: var(--high-bg); color: var(--high); border-color: var(--high-border); }
.alert-warning { background: var(--medium-bg); color: var(--medium); border-color: var(--medium-border); }
.alert-info { background: var(--info-bg); color: var(--info); border-color: var(--info-border); }

.alert-close {
  background: none;
  border: none;
  font-size: 1.1rem;
  cursor: pointer;
  color: inherit;
  opacity: 0.5;
  padding: 0;
  line-height: 1;
  transition: opacity var(--transition), transform var(--transition);
}

.alert-close:hover { opacity: 1; transform: scale(1.15); }

/* ---------- Login page ---------- */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  padding: 2rem;
  position: relative;
  overflow: hidden;
}

.login-page::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -20%;
  width: 60%;
  height: 80%;
  background: radial-gradient(circle, rgba(200, 235, 45, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.login-page::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 50%;
  height: 60%;
  background: radial-gradient(circle, rgba(10, 46, 35, 0.06) 0%, transparent 60%);
  pointer-events: none;
}

.login-card {
  width: 100%;
  max-width: 420px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  position: relative;
  z-index: 1;
}

.login-header {
  padding: 2.25rem 2.25rem 1.75rem;
  text-align: center;
  background: linear-gradient(135deg, #0a2e23 0%, #0d3b2c 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.login-header::after {
  content: '';
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  background: radial-gradient(circle at top right, rgba(200, 235, 45, 0.1), transparent 50%);
  pointer-events: none;
}

.login-logo {
  width: 52px;
  height: 52px;
  margin: 0 auto 1rem;
  filter: drop-shadow(0 0 16px rgba(200, 235, 45, 0.3));
  position: relative;
  z-index: 1;
}

.login-brand {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.15rem;
  position: relative;
  z-index: 1;
}

.login-brand span {
  color: var(--accent);
}

.login-tagline {
  font-size: 0.7rem;
  opacity: 0.45;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  position: relative;
  z-index: 1;
}

.login-app-name {
  display: inline-block;
  margin-top: 0.85rem;
  padding: 0.22rem 0.8rem;
  background: rgba(200, 235, 45, 0.1);
  border: 1px solid rgba(200, 235, 45, 0.15);
  color: var(--accent);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  position: relative;
  z-index: 1;
}

.login-body {
  padding: 2.25rem;
}

.login-body h2 {
  margin: 0 0 0.3rem;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--ink);
}

.login-body .login-subtitle {
  margin: 0 0 1.75rem;
  font-size: 0.82rem;
  color: var(--ink-muted);
}

.login-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 1.15rem;
}

.login-field label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--ink-secondary);
}

.login-field input {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--bg);
  font: inherit;
  font-size: 0.9rem;
  color: var(--ink);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.login-field input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
  background: var(--surface);
}

.login-submit {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 0.75rem 1rem;
  margin-top: 0.5rem;
  background: var(--accent);
  color: var(--ink);
  border: none;
  border-radius: var(--radius-sm);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: 0 2px 8px rgba(200, 235, 45, 0.25);
}

.login-submit:hover {
  background: var(--accent-dark);
  box-shadow: 0 4px 16px rgba(200, 235, 45, 0.35);
  transform: translateY(-1px);
}

.login-submit:active { transform: translateY(0) scale(0.99); }

.login-error {
  padding: 0.6rem 0.85rem;
  margin-bottom: 1rem;
  background: var(--high-bg);
  color: var(--high);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  border: 1px solid var(--high-border);
}

.login-footer {
  padding: 1rem 2.25rem 1.5rem;
  text-align: center;
  font-size: 0.68rem;
  color: var(--ink-muted);
  border-top: 1px solid var(--border);
  letter-spacing: 0.02em;
}

/* ---------- Live notification center ---------- */
.live-notification-center {
  position: fixed;
  bottom: 1rem;
  right: 1rem;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* ---------- Scrollbar ---------- */
.sidebar::-webkit-scrollbar,
.content-area::-webkit-scrollbar {
  width: 5px;
}

.sidebar::-webkit-scrollbar-thumb,
.content-area::-webkit-scrollbar-thumb {
  background: rgba(10, 46, 35, 0.1);
  border-radius: 3px;
}

.sidebar::-webkit-scrollbar-thumb:hover,
.content-area::-webkit-scrollbar-thumb:hover {
  background: rgba(10, 46, 35, 0.2);
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .app-layout { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .nav-tagline, .nav-separator, .nav-app-name { display: none; }
  .main-content { padding: 1.25rem; }
}

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

@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 0 var(--accent-glow); }
  50% { box-shadow: 0 0 0 6px transparent; }
}