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

:root {
  --primary-blue: #4285F4;
  --primary-blue-hover: #3367d6;
  --primary-blue-light: #e8f0fe;
  --red-accent: #EA4335;
  --green-accent: #34A853;
  --yellow-accent: #FBBC05;
  --bg-white: #FFFFFF;
  --bg-sidebar: #f8f9fa;
  --text-main: #1a1a1a;
  --text-sub: #5f6368;
  --border-color: #e0e0e0;
  --border-light: #f1f3f4;
  --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.03);
  --card-shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.08);
  --font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --radius-card: 16px;
  --radius-input: 12px;
  --radius-pill: 9999px;
  --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-white);
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-main);
  font-weight: 600;
  letter-spacing: -0.01em;
}

p, span, label {
  color: var(--text-main);
}

.text-sub {
  color: var(--text-sub) !important;
}

/* Buttons - Pill Shape & Smooth Transitions */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  font-family: var(--font-family);
  font-weight: 500;
  font-size: 14px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

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

.btn-primary:hover:not(:disabled) {
  background-color: var(--primary-blue-hover);
  border-color: var(--primary-blue-hover);
  box-shadow: 0 2px 8px rgba(66, 133, 244, 0.25);
}

.btn-outline {
  background-color: #ffffff;
  color: var(--text-main);
  border-color: var(--border-color);
}

.btn-outline:hover:not(:disabled) {
  background-color: var(--bg-sidebar);
  border-color: #d0d0d0;
}

.btn-disabled, .btn:disabled {
  opacity: 0.55;
  cursor: not-allowed !important;
  box-shadow: none !not-allowed;
}

.btn-full {
  width: 100%;
}

/* Input Fields */
.form-group {
  margin-bottom: 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-main);
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-input);
  border: 1px solid var(--border-color);
  font-family: var(--font-family);
  font-size: 14px;
  color: var(--text-main);
  outline: none;
  background-color: #ffffff;
  transition: var(--transition-fast);
}

.form-input:focus {
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(66, 133, 244, 0.15);
}

.form-input::placeholder {
  color: #9aa0a6;
}

/* Cards & Containers */
.card {
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  padding: 24px;
  box-shadow: var(--card-shadow);
}

.card-interactive {
  transition: var(--transition-fast);
}

.card-interactive:hover {
  border-color: #d0d0d0;
  box-shadow: var(--card-shadow-hover);
}

/* Header & Logo */
.brand-header {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand-logo {
  height: 32px;
  width: auto;
  object-fit: contain;
}

.brand-badge {
  background-color: var(--primary-blue-light);
  color: var(--primary-blue);
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Auth Layout */
.auth-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  background-color: var(--bg-white);
  padding: 40px 20px 20px;
}

.auth-container {
  width: 100%;
  max-width: 420px;
  margin: auto 0;
}

.auth-card {
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  padding: 32px;
  box-shadow: var(--card-shadow);
}

/* Auth Tabs Toggle */
.auth-tabs-toggle {
  display: flex;
  background-color: var(--bg-sidebar);
  border-radius: var(--radius-pill);
  padding: 4px;
  margin-bottom: 20px;
  border: 1px solid var(--border-color);
}

.auth-tab-btn {
  flex: 1;
  padding: 8px 16px;
  border: none;
  background: transparent;
  border-radius: var(--radius-pill);
  font-family: var(--font-family);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-sub);
  cursor: pointer;
  transition: var(--transition-fast);
  text-align: center;
}

.auth-tab-btn:hover:not(.active) {
  color: var(--text-main);
}

.auth-tab-btn.active {
  background-color: #ffffff;
  color: var(--primary-blue);
  font-weight: 600;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
}

.auth-tab-pane {
  display: block;
}

.auth-tab-pane.hidden {
  display: none !important;
}

.auth-title {
  font-size: 22px;
  font-weight: 700;
  margin-top: 16px;
  margin-bottom: 6px;
}

.auth-subtitle {
  font-size: 14px;
  color: var(--text-sub);
  margin-bottom: 24px;
}

.divider {
  display: flex;
  align-items: center;
  text-align: center;
  margin: 20px 0;
  color: var(--text-sub);
  font-size: 12px;
  font-weight: 500;
}

.divider::before, .divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid var(--border-color);
}

.divider::before {
  margin-right: 12px;
}

.divider::after {
  margin-left: 12px;
}

/* Footer */
.site-footer {
  text-align: center;
  font-size: 13px;
  color: var(--text-sub);
  padding: 24px 0;
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-sidebar);
}

/* Landing Page Styles */
.landing-nav-wrapper {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background-color: #FFFFFF;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  z-index: 100;
}

.landing-nav {
  max-width: 1200px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
}

.brand-title-group {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.brand-text-logo {
  font-size: 20px;
  font-weight: 700;
  color: #1a1a1a;
  letter-spacing: -0.01em;
}

.brand-badge-pill {
  font-size: 11px;
  font-weight: 600;
  color: #ffffff;
  background-color: #4285F4;
  padding: 2px 8px;
  border-radius: 999px;
  margin-left: 4px;
  display: inline-block;
  line-height: 1.4;
}

.landing-nav-links {
  display: flex;
  align-items: center;
}

.nav-link-signin {
  font-size: 16px;
  color: #5f6368;
  text-decoration: none;
  margin-right: 24px;
  transition: color 0.2s ease;
}

.nav-link-signin:hover {
  color: #1a1a1a;
}

.nav-btn-get-started {
  background-color: #4285F4;
  color: #ffffff !important;
  padding: 8px 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.2s ease;
  border: none;
}

.nav-btn-get-started:hover {
  background-color: #3367d6;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: #1a1a1a;
  padding: 8px;
  cursor: pointer;
  border-radius: 8px;
}

.mobile-nav-drawer {
  display: none;
  position: absolute;
  top: 64px;
  left: 0;
  right: 0;
  background: #ffffff;
  border-bottom: 1px solid #e8eaed;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
  padding: 20px 24px;
  flex-direction: column;
  gap: 16px;
  z-index: 99;
}

.mobile-nav-drawer.active {
  display: flex;
}

/* SECTION 2: HERO */
.landing-hero {
  background-color: #FFFFFF;
  padding: 80px 24px;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-pill-badge {
  display: inline-block;
  background-color: #E8F0FE;
  color: #4285F4;
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
}

.hero-h1 {
  font-size: 44px;
  font-weight: 700;
  color: #1a1a1a;
  margin-top: 24px;
  line-height: 1.2;
}

.hero-subtitle-text {
  font-size: 18px;
  color: #5f6368;
  margin-top: 16px;
  line-height: 1.5;
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
}

.hero-btn-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.btn-hero-primary {
  background-color: #4285F4;
  color: #ffffff !important;
  padding: 12px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.2s ease;
  border: 1.5px solid #4285F4;
}

.btn-hero-primary:hover {
  background-color: #3367d6;
  border-color: #3367d6;
}

.btn-hero-secondary {
  background-color: #ffffff;
  border: 1.5px solid #4285F4;
  color: #4285F4 !important;
  padding: 12px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.2s ease;
}

.btn-hero-secondary:hover {
  background-color: #E8F0FE;
}

/* SECTION 3: DASHBOARD PREVIEW CARD */
.landing-preview-wrapper {
  background-color: #FFFFFF;
  padding: 0 24px 80px;
  max-width: 900px;
  margin: 0 auto;
}

.dash-preview-card {
  background-color: #FFFFFF;
  border-radius: 16px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  padding: 32px;
  border: 1px solid #e8eaed;
  text-align: left;
}

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

.dash-preview-title {
  font-size: 16px;
  font-weight: 700;
  color: #1a1a1a;
}

.dash-preview-live-badge {
  background-color: #E6F4EA;
  color: #34A853;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 999px;
  display: inline-block;
}

.dash-preview-divider {
  border: none;
  border-top: 1px solid #e8eaed;
  margin: 16px 0;
}

.dash-preview-stats-row {
  display: flex;
  gap: 16px;
}

.dash-preview-stat-box {
  background-color: #f8f9fa;
  border-radius: 12px;
  padding: 20px;
  text-align: center;
  flex: 1;
}

.dash-stat-number {
  font-size: 28px;
  font-weight: 700;
  color: #4285F4;
  line-height: 1.2;
}

.dash-stat-label {
  font-size: 13px;
  color: #5f6368;
  margin-top: 4px;
}

.dash-stat-subtext-green {
  font-size: 12px;
  color: #34A853;
  font-weight: 600;
  margin-top: 4px;
}

.dash-stat-subtext-red {
  font-size: 12px;
  color: #EA4335;
  font-weight: 600;
  margin-top: 4px;
}

.dash-table-wrapper {
  overflow-x: auto;
  margin-top: 24px;
}

.dash-preview-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  color: #1a1a1a;
}

.dash-preview-table th {
  font-size: 12px;
  color: #5f6368;
  text-transform: uppercase;
  font-weight: 600;
  text-align: left;
  padding: 12px;
  border-bottom: 1px solid #e8eaed;
}

.dash-preview-table td {
  padding: 12px;
  border-bottom: 1px solid #e8eaed;
  vertical-align: middle;
}

.pill-status-green {
  background-color: #E6F4EA;
  color: #34A853;
  font-size: 12px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 999px;
  display: inline-block;
}

.pill-status-yellow {
  background-color: #FEF7E0;
  color: #B06000;
  font-size: 12px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 999px;
  display: inline-block;
}

/* SECTION 4: FEATURES */
.landing-features-bg {
  background-color: #f8f9fa;
  padding: 80px 24px;
}

.landing-features-container {
  max-width: 1200px;
  margin: 0 auto;
}

.features-h2 {
  font-size: 32px;
  font-weight: 700;
  color: #1a1a1a;
  text-align: center;
}

.features-sub-text {
  font-size: 16px;
  color: #5f6368;
  margin-top: 8px;
  text-align: center;
}

.features-grid-3col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.feature-spec-card {
  background-color: #FFFFFF;
  border-radius: 16px;
  padding: 32px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.feature-svg-box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.feature-card-h3 {
  font-size: 18px;
  font-weight: 700;
  color: #1a1a1a;
  margin-top: 16px;
}

.feature-card-p {
  font-size: 14px;
  color: #5f6368;
  line-height: 1.6;
  margin-top: 8px;
}

/* SECTION 5: STATS BAR */
.landing-stats-bg {
  background-color: #FFFFFF;
  padding: 48px 24px;
  text-align: center;
}

.stats-bar-flex {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 48px;
}

.stat-block {
  text-align: center;
}

.stat-big-num {
  font-size: 32px;
  font-weight: 700;
  color: #4285F4;
  line-height: 1.2;
}

.stat-small-label {
  font-size: 14px;
  color: #5f6368;
  margin-top: 4px;
}

.stat-v-divider {
  width: 1px;
  height: 40px;
  background-color: #e8eaed;
}

/* SECTION 6: HOW IT WORKS */
.landing-steps-bg {
  background-color: #f8f9fa;
  padding: 80px 24px;
}

.landing-steps-container {
  max-width: 1000px;
  margin: 0 auto;
}

.steps-h2 {
  font-size: 32px;
  font-weight: 700;
  color: #1a1a1a;
  text-align: center;
}

.steps-flex-row {
  display: flex;
  gap: 32px;
  margin-top: 40px;
}

.step-spec-item {
  flex: 1;
  text-align: left;
}

.step-num-large {
  font-size: 48px;
  font-weight: 700;
  color: #4285F4;
  line-height: 1;
}

.step-item-title {
  font-size: 18px;
  font-weight: 700;
  color: #1a1a1a;
  margin-top: 8px;
}

.step-item-desc {
  font-size: 14px;
  color: #5f6368;
  line-height: 1.6;
  margin-top: 8px;
}

/* SECTION 7: CTA BANNER */
.landing-cta-banner-bg {
  background-color: #4285F4;
  padding: 80px 24px;
  text-align: center;
}

.cta-banner-h2 {
  font-size: 32px;
  font-weight: 700;
  color: #ffffff;
}

.cta-banner-sub {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.85);
  margin-top: 12px;
}

.btn-cta-white {
  background-color: #ffffff;
  color: #4285F4 !important;
  border-radius: 999px;
  padding: 14px 32px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  display: inline-block;
  margin-top: 32px;
  transition: background-color 0.2s ease, box-shadow 0.2s ease;
  border: none;
}

.btn-cta-white:hover {
  background-color: #f1f3f4;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

/* SECTION 8: FOOTER */
.landing-footer-bg {
  background-color: #f8f9fa;
  padding: 48px 24px;
}

.landing-footer-container {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-grid-3col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}

.footer-col-desc {
  font-size: 14px;
  color: #5f6368;
  margin-top: 12px;
  line-height: 1.5;
}

.footer-col-label {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  color: #5f6368;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.footer-spec-link {
  font-size: 14px;
  color: #5f6368;
  text-decoration: none;
  margin-top: 8px;
  display: block;
  transition: color 0.2s ease;
}

.footer-spec-link:hover {
  color: #1a1a1a;
}

.footer-bottom-bar {
  border-top: 1px solid #e8eaed;
  padding-top: 24px;
  margin-top: 32px;
  text-align: center;
  font-size: 13px;
  color: #5f6368;
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 12px;
  margin-bottom: 20px;
}

.checkbox-input {
  width: 16px;
  height: 16px;
  margin-top: 2px;
  accent-color: var(--primary-blue);
  cursor: pointer;
}

.checkbox-label {
  font-size: 13px;
  color: var(--text-sub);
  line-height: 1.4;
  cursor: pointer;
}

.google-oauth-btn {
  background-color: #ffffff;
  color: var(--text-main);
  border: 1px solid var(--border-color);
  font-weight: 500;
  font-size: 14px;
  padding: 11px 20px;
  border-radius: var(--radius-pill);
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: var(--transition-fast);
  cursor: pointer;
}

.google-oauth-btn:hover:not(:disabled) {
  background-color: var(--bg-sidebar);
  border-color: #d0d0d0;
}

/* Dashboard Shell Layout */
.app-layout {
  display: flex;
  min-height: 100vh;
  background-color: #ffffff;
}

.top-navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background-color: var(--bg-white);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  z-index: 100;
}

.sidebar {
  width: 250px;
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  position: fixed;
  top: 64px;
  bottom: 0;
  left: 0;
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  overflow-y: auto;
  z-index: 90;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border-radius: 12px;
  color: var(--text-sub);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition-fast);
  cursor: pointer;
}

.nav-item:hover {
  background-color: #eaeef2;
  color: var(--text-main);
}

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

.nav-item svg {
  width: 18px;
  height: 18px;
  stroke-width: 2px;
  flex-shrink: 0;
}

.main-content {
  margin-left: 250px;
  margin-top: 64px;
  padding: 32px 40px;
  flex: 1;
  max-width: 1200px;
}

/* User Avatar Dropdown */
.user-menu-container {
  position: relative;
}

.user-avatar-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  background: none;
  border: 1px solid transparent;
  padding: 4px 8px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: var(--transition-fast);
}

.user-avatar-btn:hover {
  background-color: var(--bg-sidebar);
  border-color: var(--border-color);
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  background-color: var(--primary-blue-light);
  border: 1px solid var(--border-color);
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 220px;
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  padding: 8px;
  display: none;
  flex-direction: column;
  z-index: 200;
}

.dropdown-menu.show {
  display: flex;
}

.dropdown-info {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 4px;
}

.dropdown-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
}

.dropdown-email {
  font-size: 12px;
  color: var(--text-sub);
  word-break: break-all;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--text-main);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  transition: var(--transition-fast);
}

.dropdown-item:hover {
  background-color: #fce8e6;
  color: var(--red-accent);
}

.dropdown-item svg {
  width: 16px;
  height: 16px;
}

/* Stats Row */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 24px;
  margin-bottom: 28px;
}

.stat-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  box-shadow: var(--card-shadow);
}

.stat-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-sub);
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-main);
}

.stat-icon-wrapper {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background-color: var(--primary-blue-light);
  color: var(--primary-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-icon-wrapper svg {
  width: 22px;
  height: 22px;
}

/* Empty State Card */
.empty-state-card {
  text-align: center;
  padding: 48px 24px;
  background: var(--bg-white);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-card);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.empty-state-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background-color: var(--bg-sidebar);
  color: var(--text-sub);
  display: flex;
  align-items: center;
  justify-content: center;
}

.empty-state-icon svg {
  width: 28px;
  height: 28px;
}

.empty-state-text {
  max-width: 440px;
  font-size: 15px;
  color: var(--text-sub);
  line-height: 1.5;
}

/* Spinner */
.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid rgba(66, 133, 244, 0.2);
  border-top-color: var(--primary-blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Notification / Alert Message */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-input);
  font-size: 13px;
  margin-bottom: 16px;
  display: none;
}

.alert-error {
  background-color: #fce8e6;
  color: var(--red-accent);
  border: 1px solid #f8c2be;
}

.alert-success {
  background-color: #e6f4ea;
  color: var(--green-accent);
  border: 1px solid #ceead6;
}

/* Mobile Responsiveness & Bottom Navigation */
@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: 60px;
    background-color: var(--bg-sidebar);
    border-right: none;
    border-top: 1px solid var(--border-color);
    flex-direction: row;
    justify-content: space-around;
    align-items: center;
    padding: 0 4px;
    z-index: 100;
  }

  .nav-item {
    flex-direction: column;
    gap: 2px;
    padding: 6px 8px;
    font-size: 10px;
    border-radius: 8px;
    text-align: center;
  }

  .nav-item svg {
    width: 20px;
    height: 20px;
  }

  .nav-text {
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 60px;
  }

  .main-content {
    margin-left: 0;
    margin-bottom: 64px;
    padding: 20px 16px;
  }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .top-navbar {
    padding: 0 16px;
  }

  /* Landing Page Mobile Overrides */
  .mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .landing-nav-links.desktop-only {
    display: none;
  }

  .landing-hero {
    padding: 48px 16px;
  }

  .hero-h1 {
    font-size: 30px;
  }

  .hero-subtitle-text {
    font-size: 16px;
  }

  .hero-btn-group {
    flex-direction: column;
    width: 100%;
  }

  .btn-hero-primary, .btn-hero-secondary {
    width: 100%;
  }

  .landing-preview-wrapper {
    padding: 0 16px 48px;
  }

  .dash-preview-card {
    padding: 20px 16px;
  }

  .dash-preview-stats-row {
    flex-direction: column;
    gap: 12px;
  }

  .dash-table-wrapper {
    overflow-x: auto;
  }

  .landing-features-bg {
    padding: 48px 16px;
  }

  .features-h2 {
    font-size: 26px;
  }

  .features-grid-3col {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .landing-stats-bg {
    padding: 36px 16px;
  }

  .stats-bar-flex {
    flex-direction: column;
    gap: 24px;
  }

  .stat-v-divider {
    display: none;
  }

  .landing-steps-bg {
    padding: 48px 16px;
  }

  .steps-h2 {
    font-size: 26px;
  }

  .steps-flex-row {
    flex-direction: column;
    gap: 28px;
  }

  .landing-cta-banner-bg {
    padding: 48px 16px;
  }

  .cta-banner-h2 {
    font-size: 26px;
  }

  .landing-footer-bg {
    padding: 48px 16px;
  }

  .footer-grid-3col {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}