/* ============================================
   Flair Path — Design System (main.css)
   Premium pharmaceutical consultancy theme
   ============================================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

/* ---- CSS Custom Properties ---- */
:root {
  /* Primary palette */
  --clr-primary: #0f2a4a;
  --clr-primary-light: #1a3d6b;
  --clr-primary-dark: #091c33;
  --clr-accent: #d4a843;
  --clr-accent-light: #e8c56e;
  --clr-accent-dark: #b8912e;

  /* Surface & backgrounds */
  --clr-bg-dark: #0b1929;
  --clr-bg-card: rgba(15, 42, 74, 0.6);
  --clr-bg-glass: rgba(255, 255, 255, 0.06);
  --clr-bg-glass-hover: rgba(255, 255, 255, 0.1);
  --clr-surface: #122240;
  --clr-surface-light: #1a3058;

  /* Text */
  --clr-text: #e8edf4;
  --clr-text-muted: #8fa3bf;
  --clr-text-heading: #ffffff;
  --clr-text-accent: #d4a843;

  /* Semantic */
  --clr-success: #34d399;
  --clr-warning: #fbbf24;
  --clr-error: #f87171;
  --clr-info: #60a5fa;

  /* Gradients */
  --grad-hero: linear-gradient(135deg, #0b1929 0%, #1a3d6b 50%, #0f2a4a 100%);
  --grad-accent: linear-gradient(135deg, #d4a843 0%, #e8c56e 100%);
  --grad-card: linear-gradient(145deg, rgba(15, 42, 74, 0.8), rgba(26, 61, 107, 0.4));
  --grad-glass: linear-gradient(135deg, rgba(255,255,255,0.1), rgba(255,255,255,0.02));

  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --sp-xs: 0.25rem;
  --sp-sm: 0.5rem;
  --sp-md: 1rem;
  --sp-lg: 1.5rem;
  --sp-xl: 2rem;
  --sp-2xl: 3rem;
  --sp-3xl: 4rem;
  --sp-4xl: 6rem;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 50%;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 30px rgba(212, 168, 67, 0.15);
  --shadow-accent: 0 4px 20px rgba(212, 168, 67, 0.3);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;

  /* Layout */
  --max-width: 1280px;
  --nav-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--clr-text);
  background: var(--clr-bg-dark);
  min-height: 100vh;
  overflow-x: hidden;
}

a {
  color: var(--clr-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--clr-accent-light);
}

img { max-width: 100%; display: block; }

ul, ol { list-style: none; }

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  border: none;
  outline: none;
  background: none;
}

/* ---- Typography ---- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--clr-text-heading);
  line-height: 1.2;
  font-weight: 700;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.25rem; }

p { margin-bottom: var(--sp-md); }

.text-accent { color: var(--clr-text-accent); }
.text-muted { color: var(--clr-text-muted); }
.text-center { text-align: center; }
.text-gradient {
  background: var(--grad-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---- Layout ---- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--sp-xl);
}

.section {
  padding: var(--sp-4xl) 0;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-xl);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-xl);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-xl);
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ---- Glassmorphism Card ---- */
.glass-card {
  background: var(--grad-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: var(--sp-xl);
  transition: all var(--transition-base);
}

.glass-card:hover {
  background: var(--clr-bg-glass-hover);
  border-color: rgba(212, 168, 67, 0.2);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-sm);
  padding: 0.75rem 1.75rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  letter-spacing: 0.02em;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover::before { opacity: 1; }

.btn-primary {
  background: var(--grad-accent);
  color: var(--clr-primary-dark);
  box-shadow: var(--shadow-accent);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(212, 168, 67, 0.45);
}

.btn-secondary {
  background: transparent;
  color: var(--clr-accent);
  border: 2px solid var(--clr-accent);
}

.btn-secondary:hover {
  background: rgba(212, 168, 67, 0.1);
  transform: translateY(-2px);
}

.btn-ghost {
  background: var(--clr-bg-glass);
  color: var(--clr-text);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-ghost:hover {
  background: var(--clr-bg-glass-hover);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-sm {
  padding: 0.5rem 1.2rem;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
}

.btn-icon {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: var(--radius-full);
}

/* ---- Navbar ---- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
}

.navbar.scrolled {
  background: rgba(11, 25, 41, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.85rem;
  font-weight: 800;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: var(--sp-md);
  letter-spacing: -0.02em;
  height: 100%;
}

.nav-logo .logo-image {
  height: 52px;
  width: 52px;
  object-fit: cover;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  transition: transform var(--transition-base);
}

.nav-logo:hover .logo-image {
  transform: scale(1.05);
}

.nav-logo .logo-accent {
  background: var(--grad-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 900;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--sp-lg);
}

.nav-links a {
  color: var(--clr-text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--clr-accent);
  transition: width var(--transition-base);
}

.nav-links a:hover {
  color: var(--clr-text-heading);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
}

/* Mobile menu toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--sp-sm);
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--clr-text);
  transition: all var(--transition-fast);
  border-radius: 2px;
}

/* ---- Modal ---- */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: var(--sp-xl);
  animation: fadeIn 0.3s ease;
}

.modal-overlay.active {
  display: flex;
}

.modal {
  background: var(--clr-surface);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  padding: var(--sp-2xl);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  animation: slideUp 0.4s ease;
  box-shadow: var(--shadow-lg);
}

.modal-close {
  position: absolute;
  top: var(--sp-lg);
  right: var(--sp-lg);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.05);
  color: var(--clr-text-muted);
  cursor: pointer;
  font-size: 1.2rem;
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--clr-text);
}

.modal h2 {
  margin-bottom: var(--sp-lg);
}

/* ---- Forms ---- */
.form-group {
  margin-bottom: var(--sp-lg);
}

.form-group label {
  display: block;
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--clr-text-muted);
  margin-bottom: var(--sp-xs);
  letter-spacing: 0.02em;
}

.form-group label .required {
  color: var(--clr-error);
}

.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  color: var(--clr-text);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.form-input:focus {
  border-color: var(--clr-accent);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 3px rgba(212, 168, 67, 0.1);
}

.form-input::placeholder {
  color: rgba(143, 163, 191, 0.5);
}

select.form-input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238fa3bf' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-input[type="file"] {
  padding: 0.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-md);
}

.form-error {
  font-size: 0.8rem;
  color: var(--clr-error);
  margin-top: var(--sp-xs);
}

/* Role tabs in signup */
.role-tabs {
  display: flex;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  padding: 4px;
  margin-bottom: var(--sp-xl);
}

.role-tab {
  flex: 1;
  padding: 0.7rem;
  text-align: center;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--clr-text-muted);
}

.role-tab.active {
  background: var(--grad-accent);
  color: var(--clr-primary-dark);
  box-shadow: var(--shadow-sm);
}

/* ---- Footer ---- */
.footer {
  background: var(--clr-primary-dark);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: var(--sp-3xl) 0 var(--sp-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--sp-2xl);
  margin-bottom: var(--sp-2xl);
}

.footer-brand p {
  color: var(--clr-text-muted);
  font-size: 0.9rem;
  margin-top: var(--sp-md);
  max-width: 300px;
}

.footer-heading {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  color: var(--clr-text-heading);
  margin-bottom: var(--sp-lg);
}

.footer-links li {
  margin-bottom: var(--sp-sm);
}

.footer-links a {
  color: var(--clr-text-muted);
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--clr-accent);
}

.social-links {
  display: flex;
  gap: var(--sp-md);
  margin-top: var(--sp-md);
}

.social-link {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--clr-text-muted);
  font-size: 1.1rem;
  transition: all var(--transition-base);
}

.social-link:hover {
  background: var(--clr-accent);
  color: var(--clr-primary-dark);
  border-color: var(--clr-accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: var(--sp-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--clr-text-muted);
}

/* ---- Chatbot Widget ---- */
.chatbot-toggle {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  border-radius: var(--radius-full);
  background: var(--grad-accent);
  color: var(--clr-primary-dark);
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-accent);
  z-index: 1500;
  transition: all var(--transition-base);
  border: none;
}

.chatbot-toggle:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 32px rgba(212, 168, 67, 0.5);
}

.chatbot-panel {
  position: fixed;
  bottom: 96px;
  right: 24px;
  width: 380px;
  height: 520px;
  background: var(--clr-surface);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  z-index: 1500;
  display: none;
  flex-direction: column;
  overflow: hidden;
  animation: slideUp 0.3s ease;
}

.chatbot-panel.active {
  display: flex;
}

.chatbot-header {
  padding: var(--sp-lg);
  background: var(--clr-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.chatbot-header h4 {
  font-size: 1rem;
}

.chatbot-messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--sp-md);
  display: flex;
  flex-direction: column;
  gap: var(--sp-sm);
}

.chat-msg {
  max-width: 85%;
  padding: 0.65rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  line-height: 1.5;
  animation: fadeIn 0.3s ease;
}

.chat-msg.user {
  align-self: flex-end;
  background: var(--clr-accent);
  color: var(--clr-primary-dark);
  border-bottom-right-radius: 4px;
}

.chat-msg.bot {
  align-self: flex-start;
  background: rgba(255, 255, 255, 0.06);
  color: var(--clr-text);
  border-bottom-left-radius: 4px;
}

.chatbot-input {
  padding: var(--sp-md);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  gap: var(--sp-sm);
}

.chatbot-input input {
  flex: 1;
  padding: 0.7rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  color: var(--clr-text);
}

.chatbot-input button {
  padding: 0.7rem 1.2rem;
  background: var(--grad-accent);
  color: var(--clr-primary-dark);
  border-radius: var(--radius-md);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.chatbot-input button:hover {
  box-shadow: var(--shadow-accent);
}

/* ---- Notification / Toast ---- */
.toast {
  position: fixed;
  top: 90px;
  right: 24px;
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: 0.9rem;
  z-index: 3000;
  animation: slideIn 0.3s ease;
  box-shadow: var(--shadow-md);
}

.toast-success { background: var(--clr-success); color: #0b1929; }
.toast-error { background: var(--clr-error); color: #fff; }
.toast-info { background: var(--clr-info); color: #0b1929; }

/* ---- Loading Spinner ---- */
.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid rgba(255, 255, 255, 0.1);
  border-top-color: var(--clr-accent);
  border-radius: var(--radius-full);
  animation: spin 0.8s linear infinite;
}

.page-loader {
  position: fixed;
  inset: 0;
  background: var(--clr-bg-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 5000;
  transition: opacity var(--transition-slow);
}

.page-loader.hidden {
  opacity: 0;
  pointer-events: none;
}

/* ---- Animations ---- */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

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

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes glow {
  0%, 100% { box-shadow: 0 0 20px rgba(212, 168, 67, 0.2); }
  50% { box-shadow: 0 0 40px rgba(212, 168, 67, 0.4); }
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Dashboard Layout (Student/Teacher) ---- */
.dashboard {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: 100vh;
  padding-top: var(--nav-height);
}

.sidebar {
  background: var(--clr-surface);
  border-right: 1px solid rgba(255, 255, 255, 0.06);
  padding: var(--sp-xl);
  display: flex;
  flex-direction: column;
  gap: var(--sp-md);
  position: sticky;
  top: var(--nav-height);
  height: calc(100vh - var(--nav-height));
  overflow-y: auto;
}

.sidebar-avatar {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  object-fit: cover;
  border: 3px solid var(--clr-accent);
  margin: 0 auto var(--sp-md);
}

.sidebar-name {
  text-align: center;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.1rem;
}

.sidebar-role {
  text-align: center;
  font-size: 0.85rem;
  color: var(--clr-accent);
  margin-bottom: var(--sp-lg);
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  color: var(--clr-text-muted);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
  background: rgba(212, 168, 67, 0.1);
  color: var(--clr-accent);
}

.dashboard-main {
  padding: var(--sp-xl);
  overflow-y: auto;
}

.dashboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-xl);
}

/* ---- Video Container ---- */
.video-container {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-md);
  position: relative;
}

.video-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.video-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--clr-text-muted);
  gap: var(--sp-md);
}

.video-placeholder svg {
  width: 64px;
  height: 64px;
  opacity: 0.3;
}

/* ---- Calendar ---- */
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.calendar-header-cell {
  padding: 0.6rem;
  text-align: center;
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--clr-accent);
  background: var(--clr-surface);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.calendar-cell {
  padding: 0.5rem;
  min-height: 80px;
  background: var(--clr-surface);
  cursor: pointer;
  transition: background var(--transition-fast);
  position: relative;
}

.calendar-cell:hover {
  background: var(--clr-surface-light);
}

.calendar-cell .day-num {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--clr-text-muted);
}

.calendar-cell.today .day-num {
  color: var(--clr-accent);
  font-weight: 700;
}

.calendar-cell.other-month {
  opacity: 0.3;
}

.calendar-event {
  font-size: 0.7rem;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(212, 168, 67, 0.2);
  color: var(--clr-accent);
  margin-top: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .dashboard { grid-template-columns: 1fr; }
  .sidebar { 
    position: relative;
    top: 0;
    height: auto;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  
  .nav-links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(11, 25, 41, 0.98);
    backdrop-filter: blur(20px);
    padding: var(--sp-xl);
    gap: var(--sp-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: var(--sp-md); text-align: center; }

  .chatbot-panel {
    width: calc(100vw - 48px);
    right: 24px;
    bottom: 96px;
    height: 400px;
  }

  .modal {
    padding: var(--sp-xl);
    margin: var(--sp-md);
  }
}

/* ---- Utility ---- */
.hidden { display: none !important; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Scrollbar styling */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.1); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255, 255, 255, 0.2); }

/* ============================================
   Floating Social Sidebar
   ============================================ */
.social-sidebar {
  position: fixed;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-left: none;
  border-radius: 0 12px 12px 0;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.social-sidebar .social-link {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  transition: all var(--transition-base);
  background: transparent;
}

.social-sidebar .social-link:hover {
  background: var(--clr-accent);
  color: var(--clr-primary-dark);
  padding-left: 8px; /* Subtle slide out effect */
}

.social-sidebar .social-link svg {
  width: 20px;
  height: 20px;
}

@media (max-width: 768px) {
  .social-sidebar {
    display: none; /* Hide on small screens to save space */
  }
}