:root {
  color-scheme: light dark;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  /* Light Theme Colors */
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-surface-highlight: #f1f5f9;
  --color-text: #0f172a;
  --color-text-secondary: #475569;
  --color-text-tertiary: #94a3b8;
  --color-border: #e2e8f0;
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-primary-light: #eff6ff;
  --color-danger: #ef4444;
  --color-success: #10b981;
  --color-warning: #f59e0b;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

  /* Spacing & Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
}

[data-theme="dark"] {
  --color-bg: #0f172a;
  --color-surface: #1e293b;
  --color-surface-highlight: #334155;
  --color-text: #f8fafc;
  --color-text-secondary: #cbd5e1;
  --color-text-tertiary: #64748b;
  --color-border: #334155;
  --color-primary: #3b82f6;
  --color-primary-hover: #60a5fa;
  --color-primary-light: rgba(59, 130, 246, 0.1);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color 0.3s ease, color 0.3s ease;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s;
}

button, input, select, textarea {
  font-family: inherit;
}

[hidden] {
  display: none !important;
}

/* ============================================
   Header & Navigation
   ============================================ */
.site-header {
  height: 64px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 clamp(1.5rem, 5vw, 3rem);
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 50;
}

[data-theme="dark"] .site-header {
  background: rgba(15, 23, 42, 0.8);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-text);
}

.brand-logo {
  width: 32px;
  height: 32px;
  object-fit: contain;
  border-radius: 50%;
  background: #ffffff;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Theme Toggle */
.theme-toggle {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
}

.theme-toggle:hover {
  background: var(--color-surface-highlight);
  color: var(--color-text);
  border-color: var(--color-text-tertiary);
}

/* User Menu */
.user-menu-dropdown {
  position: relative;
}

.user-menu-trigger {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.375rem 0.75rem;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s;
}

.user-menu-trigger:hover {
  background: var(--color-surface-highlight);
}

.user-avatar-small {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--color-surface-highlight);
  border: 1px solid var(--color-border);
}

.user-name {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  max-width: 120px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.arrow-down {
  display: inline-block !important;
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
  transition: transform 0.25s ease;
  transform: rotate(-90deg); /* 默认指向右侧 */
  margin-left: 4px;
}

.user-menu-dropdown.active .arrow-down {
  transform: rotate(0deg); /* 展开时指向下方 */
}

.user-menu-items {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  width: 200px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 0.5rem;
  display: none;
  z-index: 100;
  animation: slideDown 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.user-menu-dropdown.active .user-menu-items {
  display: block;
}

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

.menu-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 0.75rem;
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  cursor: pointer;
}

.menu-item:hover {
  background: var(--color-surface-highlight);
  color: var(--color-text);
}

.menu-item:last-child:hover {
  background: rgba(239, 68, 68, 0.1);
  color: var(--color-danger);
}

/* ============================================
   Main Content
   ============================================ */
.site-main {
  flex: 1;
  padding: 3rem clamp(1.5rem, 5vw, 3rem);
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

.hero {
  margin-bottom: 3rem;
  text-align: left;
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 1rem;
  line-height: 1.2;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-text) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}

[data-theme="dark"] .hero h1 {
  background: linear-gradient(135deg, #60a5fa 0%, #f8fafc 100%);
  -webkit-background-clip: text;
  background-clip: text;
}

.hero p {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  line-height: 1.6;
}

/* App Section */
.app-section {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.section-header h2 {
  font-size: 1.5rem;
  font-weight: 600;
}

.section-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.search-box {
  position: relative;
}

.search-input {
  padding: 0.5rem 1rem 0.5rem 2.25rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 0.875rem;
  width: 240px;
  transition: all 0.2s;
}

.search-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary-light);
}

.search-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-tertiary);
  pointer-events: none;
}

.filter-select {
  padding: 0.5rem 2rem 0.5rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 0.875rem;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.5rem center;
  background-size: 1rem;
}

.filter-select:focus {
  outline: none;
  border-color: var(--color-primary);
}

/* App Grid */
.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.app-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  height: 100%;
  position: relative;
  overflow: hidden;
}

.app-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
}

.app-card-disabled {
  opacity: 0.7;
  background: var(--color-surface-highlight);
}

.app-card-disabled:hover {
  transform: none;
  box-shadow: none;
}

.card-header {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
}

.app-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  object-fit: cover;
  background-color: var(--color-surface-highlight);
  flex-shrink: 0;
}

.app-info h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.25rem;
}

.app-category-tag {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  background: var(--color-surface-highlight);
  padding: 0.125rem 0.5rem;
  border-radius: 999px;
  display: inline-block;
}

.app-desc {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  line-height: 1.5;
  margin-bottom: 1.5rem;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
}

.status-badge {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.25rem 0.625rem;
  border-radius: 999px;
}

.status-badge.online {
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-success);
}

.status-badge.offline {
  background: rgba(239, 68, 68, 0.1);
  color: var(--color-danger);
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: currentColor;
}

.app-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 1rem;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all 0.2s;
}

.app-link-btn:hover {
  background: var(--color-primary);
  color: white;
}

.app-card-disabled .app-link-btn {
  background: transparent;
  color: var(--color-text-tertiary);
  cursor: not-allowed;
}

.app-card-disabled .app-link-btn:hover {
  background: transparent;
  color: var(--color-text-tertiary);
}

/* List View */
.list-view {
  display: block;
}

.app-table-wrapper {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.app-table {
  width: 100%;
  border-collapse: collapse;
}

.app-table th {
  text-align: left;
  padding: 1rem 1.5rem;
  background: var(--color-surface-highlight);
  color: var(--color-text-secondary);
  font-weight: 600;
  font-size: 0.875rem;
  border-bottom: 1px solid var(--color-border);
}

.app-table td {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
  font-size: 0.875rem;
}

.app-table tr:last-child td {
  border-bottom: none;
}

.app-table tr:hover {
  background: var(--color-surface-highlight);
}

/* Login Page specific styles */
.login-page {
  background: var(--color-bg);
  height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

[data-theme="dark"] .login-page {
  background: #0f172a;
}

.login-topbar {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  height: 64px;
  border-bottom: 1px solid rgba(226, 232, 240, 0.7);
  background: rgba(248, 250, 252, 0.82);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 8px rgba(15, 23, 42, 0.04);
}

.login-topbar-inner {
  width: min(100%, 1440px);
  height: 100%;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.login-brand-text {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  color: #0f172a;
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.login-brand-logo {
  width: 34px;
  height: 34px;
  object-fit: contain;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 1px 8px rgba(15, 23, 42, 0.08);
}

.login-topbar-button {
  display: none;
  min-height: 40px;
  padding: 0.5rem 1.5rem;
  border: 0;
  border-radius: var(--radius-lg);
  background: #000000;
  color: #ffffff;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.login-topbar-button:hover {
  opacity: 0.82;
}

.login-topbar-button:active {
  transform: scale(0.97);
}

.login-shell {
  width: 100%;
  height: 100dvh;
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, 1fr);
  padding-top: 64px;
}

.login-visual {
  position: relative;
  min-height: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 72% 22%, rgba(37, 99, 235, 0.16), transparent 18rem),
    #eef4fb;
}

.login-visual-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(248, 250, 252, 0.02), rgba(15, 23, 42, 0.06)),
    url("../assets/login-hero-building.png") center bottom / cover no-repeat;
}

.login-panel {
  width: 100%;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 5rem clamp(1.5rem, 6vw, 6rem) 6rem;
  background:
    radial-gradient(circle at top right, rgba(37, 99, 235, 0.1), transparent 36rem),
    var(--color-bg);
  overflow: hidden;
}

.glass-panel {
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(255, 255, 255, 0.44);
  backdrop-filter: blur(20px);
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.12);
}

.login-card {
  width: 100%;
  max-width: 456px;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border-radius: var(--radius-xl);
}

.login-intro {
  margin-bottom: 3rem;
}

.login-intro-icon {
  width: 56px;
  height: 56px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  border-radius: var(--radius-xl);
  background: #ffffff;
  color: var(--color-text);
  box-shadow: 0 12px 30px rgba(132, 184, 54, 0.22);
}

.login-intro-icon img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.login-intro h1 {
  margin: 0 0 0.5rem;
  color: #191c1e;
  font-size: 2rem;
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: 0;
}

.login-intro p {
  margin: 0;
  color: #45464d;
  font-size: 1rem;
  line-height: 1.5;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-bottom: 0.5rem;
}

.form-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.5rem;
}

.form-label-row .form-label {
  margin-bottom: 0;
}

.input-shell {
  position: relative;
}

.input-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  color: var(--color-text-tertiary);
  transform: translateY(-50%);
  pointer-events: none;
}

.form-input {
  width: 100%;
  min-height: 56px;
  padding: 0.875rem 1rem 0.875rem 3rem;
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
  background: var(--color-surface-highlight);
  color: var(--color-text);
  font-size: 1rem;
  transition: all 0.2s;
}

#password {
  padding-right: 3.25rem;
}

.password-toggle {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--color-text-tertiary);
  cursor: pointer;
  transform: translateY(-50%);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.password-toggle:hover {
  background: rgba(148, 163, 184, 0.14);
  color: var(--color-text-secondary);
}

.password-toggle:focus-visible {
  outline: 3px solid var(--color-primary-light);
  outline-offset: 2px;
}

.password-toggle .eye-closed {
  display: none;
}

.password-toggle[aria-pressed="true"] .eye-open {
  display: none;
}

.password-toggle[aria-pressed="true"] .eye-closed {
  display: block;
}

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

.form-input:focus + .input-icon,
.input-shell:focus-within .input-icon {
  color: var(--color-primary);
}

.login-options {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: -0.25rem 0 1.25rem;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

.login-options a,
.form-help-link,
.login-footer a {
  color: var(--color-primary);
  font-weight: 600;
}

.login-options a:hover,
.form-help-link:hover,
.login-footer a:hover {
  color: var(--color-primary-hover);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.remember-device {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}

.remember-device input {
  width: 1rem;
  height: 1rem;
  accent-color: var(--color-primary);
}

.btn-block {
  width: 100%;
  min-height: 56px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  padding: 0.875rem 1rem;
  background: linear-gradient(135deg, #0f172a 0%, var(--color-primary) 100%);
  color: white;
  border: none;
  border-radius: var(--radius-lg);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  margin-top: 0;
}

.btn-block:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 18px 34px rgba(37, 99, 235, 0.24);
}

.btn-block:focus-visible,
.login-options a:focus-visible,
.form-help-link:focus-visible,
.login-footer a:focus-visible {
  outline: 3px solid var(--color-primary-light);
  outline-offset: 3px;
}

.btn-block:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.error-message {
  background: rgba(239, 68, 68, 0.1);
  color: var(--color-danger);
  padding: 0.75rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
  align-items: center;
  gap: 0.5rem;
  display: none;
}

.login-footer {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 45;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 64px;
  padding: 0.875rem 2rem;
  border-top: 1px solid rgba(226, 232, 240, 0.7);
  color: var(--color-text-tertiary);
  font-size: 0.875rem;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(18px);
}

.login-footer-brand {
  width: min(100%, 1440px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.login-footer-brand span:first-child {
  color: #0f172a;
  font-size: 1.125rem;
  font-weight: 700;
}

/* Footer */
.site-footer {
  margin-top: auto;
  padding: 2rem clamp(1.5rem, 5vw, 3rem);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  color: var(--color-text-tertiary);
  font-size: 0.875rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

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

/* Responsive */
@media (max-width: 900px) {
  .login-shell {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .login-visual {
    display: none;
  }

  .login-panel {
    min-height: 0;
  }
}

@media (max-width: 640px) {
  .login-topbar-inner {
    padding: 0 1rem;
  }

  .login-brand-text {
    font-size: 1.125rem;
  }

  .login-topbar-button {
    padding: 0.5rem 1rem;
  }

  .login-shell {
    min-height: auto;
  }

  .login-panel {
    min-height: 0;
    align-items: flex-start;
    padding: 1.5rem 1rem 6.75rem;
  }

  .login-card {
    padding: 1.25rem;
    border-radius: var(--radius-lg);
  }

  .login-intro {
    margin-bottom: 1.5rem;
  }

  .login-intro-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 1rem;
    border-radius: var(--radius-lg);
  }

  .login-intro h1 {
    font-size: 1.75rem;
  }

  .login-intro p {
    font-size: 0.9375rem;
  }

  .form-group {
    margin-bottom: 1rem;
  }

  .form-input,
  .btn-block {
    min-height: 52px;
  }

  .error-message {
    margin-bottom: 1rem;
    padding: 0.625rem 0.75rem;
  }

  .login-footer {
    flex-direction: column;
    align-items: center;
  }

  .login-options {
    align-items: flex-start;
    flex-direction: column;
  }

  .login-footer {
    min-height: 62px;
    padding: 0.75rem 1rem;
  }

  .login-footer-brand {
    align-items: center;
    flex-direction: column;
    text-align: center;
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .section-actions {
    width: 100%;
  }

  .search-input {
    width: 100%;
  }

  .site-footer {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .footer-links {
    justify-content: center;
  }
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 1000;
  justify-content: center;
  align-items: center;
  padding: 1rem;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--color-surface);
  width: 100%;
  max-width: 600px;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  max-height: 90vh;
  animation: zoomIn 0.2s ease-out;
}

@keyframes zoomIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h2 {
  font-size: 1.25rem;
  font-weight: 600;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--color-text-tertiary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.25rem;
  line-height: 1;
  border-radius: var(--radius-sm);
}

.modal-close:hover {
  background: var(--color-surface-highlight);
  color: var(--color-text);
}

.modal-body {
  padding: 1.5rem;
  overflow-y: auto;
}

.modal-footer {
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
}

.profile-section {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.avatar-upload {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0 0.25rem;
  text-align: center;
}

.profile-avatar {
  width: 112px;
  height: 112px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--color-surface-highlight);
  border: 4px solid var(--color-surface);
  box-shadow: 0 0 0 1px var(--color-border), 0 12px 28px rgba(15, 23, 42, 0.12);
}

.avatar-action-btn {
  min-width: 112px;
}

.upload-hint {
  margin: 0;
  color: var(--color-text-tertiary);
  font-size: 0.8125rem;
}

.profile-section .profile-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem 1.25rem;
}

.profile-section .profile-form .form-group {
  margin-bottom: 0;
}

.profile-section .profile-form .form-input[readonly] {
  min-height: 48px;
  padding: 0.75rem 0.875rem;
  border-color: var(--color-border);
  background: color-mix(in srgb, var(--color-surface-highlight) 72%, var(--color-surface) 28%);
  color: var(--color-text-tertiary);
  cursor: default;
  box-shadow: none;
}

.profile-section .profile-form .form-input[readonly]:focus {
  border-color: var(--color-border);
  background: color-mix(in srgb, var(--color-surface-highlight) 72%, var(--color-surface) 28%);
  box-shadow: none;
}

.btn-primary {
  background: var(--color-primary);
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary:hover {
  background: var(--color-primary-hover);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-secondary:hover {
  background: var(--color-surface-highlight);
}

/* ============================================
   Portal Dashboard Redesign
   ============================================ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.portal-page {
  background:
    radial-gradient(circle at 12% 10%, rgba(37, 99, 235, 0.12), transparent 28rem),
    radial-gradient(circle at 90% 18%, rgba(16, 185, 129, 0.08), transparent 24rem),
    var(--color-bg);
}

[data-theme="dark"] .portal-page {
  background:
    radial-gradient(circle at 12% 10%, rgba(96, 165, 250, 0.14), transparent 28rem),
    radial-gradient(circle at 90% 18%, rgba(16, 185, 129, 0.1), transparent 24rem),
    var(--color-bg);
}

.portal-shell {
  display: flex;
  width: 100%;
  min-height: 100vh;
}

.side-nav {
  position: sticky;
  top: 0;
  width: 264px;
  height: 100vh;
  flex: 0 0 264px;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding: 1.25rem;
  border-right: 1px solid color-mix(in srgb, var(--color-border) 78%, transparent);
  background: color-mix(in srgb, var(--color-surface) 82%, transparent);
  backdrop-filter: blur(18px);
  z-index: 60;
}

.side-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.25rem 0.5rem 1.5rem;
}

.side-brand-logo {
  width: 36px;
  height: 36px;
  object-fit: contain;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: var(--shadow-sm);
}

.side-brand strong,
.side-brand span {
  display: block;
}

.side-brand strong {
  font-size: 1.125rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.side-brand span {
  margin-top: 0.125rem;
  color: var(--color-text-secondary);
  font-size: 0.8125rem;
  font-weight: 500;
}

.side-nav-list {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 0.375rem;
}

.side-nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 44px;
  padding: 0.7rem 0.75rem;
  border-radius: var(--radius-lg);
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  font-weight: 650;
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.side-nav-link:hover,
.side-nav-link:focus-visible {
  background: var(--color-surface-highlight);
  color: var(--color-text);
  transform: translateX(2px);
  outline: none;
}

.side-nav-link.active {
  background: var(--color-surface);
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.nav-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 0.55rem;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 800;
}

.side-nav-footer {
  padding: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: linear-gradient(145deg, var(--color-surface), var(--color-surface-highlight));
}

.side-nav-footer p {
  margin-bottom: 0.75rem;
  color: var(--color-text-secondary);
  font-size: 0.8125rem;
}

.request-access-btn,
.primary-action,
.announcement-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border: 0;
  border-radius: var(--radius-lg);
  background: var(--color-text);
  color: var(--color-surface);
  font-size: 0.875rem;
  font-weight: 750;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.request-access-btn {
  width: 100%;
}

.request-access-btn:hover,
.primary-action:hover,
.announcement-link:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.portal-content {
  display: flex;
  min-width: 0;
  flex: 1;
  flex-direction: column;
}

.site-header {
  height: 68px;
  padding: 0 clamp(1rem, 3vw, 2rem);
  gap: 1rem;
  background: color-mix(in srgb, var(--color-surface) 82%, transparent);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid color-mix(in srgb, var(--color-border) 72%, transparent);
}

[data-theme="dark"] .site-header {
  background: color-mix(in srgb, var(--color-bg) 84%, transparent);
}

.mobile-brand {
  display: none;
  align-items: center;
  gap: 0.625rem;
  font-weight: 800;
}

.top-search {
  position: relative;
  flex: 1 1 320px;
  max-width: 420px;
}

.top-search .search-input {
  width: 100%;
  min-height: 42px;
  border-radius: 999px;
  background: var(--color-surface-highlight);
}

.top-nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2vw, 2rem);
}

.top-nav-link {
  padding: 0.4rem 0;
  color: var(--color-text-secondary);
  border-bottom: 2px solid transparent;
  font-size: 0.875rem;
  font-weight: 650;
}

.top-nav-link:hover,
.top-nav-link.active {
  color: var(--color-text);
  border-bottom-color: var(--color-primary);
}

.icon-btn,
.theme-toggle {
  width: 44px;
  height: 44px;
  flex: 0 0 44px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  color: var(--color-text-secondary);
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.icon-btn:hover,
.theme-toggle:hover,
.icon-btn:focus-visible,
.theme-toggle:focus-visible {
  background: var(--color-surface-highlight);
  color: var(--color-text);
  outline: none;
}

.user-menu-trigger {
  min-height: 44px;
  border-radius: 999px;
}

.user-menu-items {
  overflow: hidden;
}

.menu-item {
  width: 100%;
  border: 0;
  background: transparent;
  text-align: left;
}

.menu-item.danger:hover {
  background: rgba(239, 68, 68, 0.1);
  color: var(--color-danger);
}

.site-main {
  max-width: 1440px;
  padding: clamp(1.25rem, 3vw, 3rem);
  display: flex;
  flex-direction: column;
  gap: clamp(2rem, 4vw, 3rem);
}

.hero-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.55fr);
  gap: 1.5rem;
  align-items: stretch;
}

.hero-copy,
.hero-metrics,
.announcement-panel {
  border: 1px solid color-mix(in srgb, var(--color-border) 76%, transparent);
  border-radius: 1.5rem;
  background: color-mix(in srgb, var(--color-surface) 86%, transparent);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.06);
}

.hero-copy {
  position: relative;
  overflow: hidden;
  min-height: 280px;
  padding: clamp(1.5rem, 4vw, 3rem);
}

.hero-copy::after {
  content: "";
  position: absolute;
  right: -5rem;
  top: -5rem;
  width: 18rem;
  height: 18rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--color-primary) 14%, transparent);
  pointer-events: none;
}

.eyebrow,
.section-kicker {
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-copy h1 {
  position: relative;
  z-index: 1;
  max-width: 820px;
  margin: 0.5rem 0 1rem;
  font-size: clamp(2rem, 4.5vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.055em;
}

.hero-copy p:not(.eyebrow) {
  position: relative;
  z-index: 1;
  max-width: 720px;
  color: var(--color-text-secondary);
  font-size: clamp(1rem, 1.4vw, 1.125rem);
}

.hero-actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.primary-action,
.secondary-action,
.announcement-link {
  padding: 0.75rem 1.1rem;
}

.secondary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 0.875rem;
  font-weight: 750;
}

.secondary-action:hover {
  background: var(--color-surface-highlight);
}

.hero-metrics {
  display: grid;
  gap: 1rem;
  padding: 1rem;
}

.metric-card {
  display: flex;
  min-height: 80px;
  flex-direction: column;
  justify-content: center;
  padding: 1rem;
  border-radius: var(--radius-xl);
  background: linear-gradient(145deg, var(--color-surface), var(--color-surface-highlight));
}

.metric-card span {
  font-size: 2rem;
  line-height: 1;
  font-weight: 850;
  letter-spacing: -0.05em;
}

.metric-card small {
  margin-top: 0.35rem;
  color: var(--color-text-secondary);
  font-weight: 650;
}

.favorites-section,
.app-section {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.section-header {
  align-items: flex-end;
}

.section-header h2 {
  margin-top: 0.2rem;
  font-size: clamp(1.35rem, 2vw, 1.6rem);
  letter-spacing: -0.03em;
}

.text-action {
  min-height: 40px;
  border: 0;
  background: transparent;
  color: var(--color-primary);
  font-size: 0.875rem;
  font-weight: 750;
  cursor: pointer;
}

.text-action:hover {
  text-decoration: underline;
}

.section-actions {
  gap: 0.75rem;
}

.filter-select {
  min-height: 42px;
  border-radius: 999px;
  background-color: var(--color-surface);
}

.favorite-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.app-grid {
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
  gap: 1rem;
}

.app-card {
  isolation: isolate;
  min-height: 220px;
  border-color: color-mix(in srgb, var(--color-border) 78%, transparent);
  border-radius: 1.125rem;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.04);
}

.app-card:hover {
  border-color: color-mix(in srgb, var(--color-primary) 28%, var(--color-border));
  box-shadow: 0 18px 34px rgba(15, 23, 42, 0.08);
}

.card-accent {
  position: absolute;
  top: -3rem;
  right: -3rem;
  z-index: -1;
  width: 9rem;
  height: 9rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--color-primary) 9%, transparent);
  transition: transform 0.25s ease;
}

.app-card:hover .card-accent {
  transform: scale(1.08);
}

.favorite-card {
  min-height: 250px;
}

.app-icon,
.app-icon-small {
  object-fit: contain;
  padding: 0.45rem;
}

.app-icon {
  background: var(--color-surface-highlight);
}

.app-info {
  min-width: 0;
}

.app-info h3,
.app-name-cell {
  overflow-wrap: anywhere;
}

.app-category-tag {
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.card-footer {
  gap: 0.75rem;
}

.status-badge {
  min-height: 28px;
  white-space: nowrap;
}

.app-link-btn {
  min-height: 40px;
  justify-content: center;
  white-space: nowrap;
}

.app-link-btn.compact {
  min-height: 34px;
  padding: 0.35rem 0.75rem;
  font-size: 0.8125rem;
}

.app-card-disabled {
  opacity: 0.76;
}

.app-card-disabled .app-link-btn,
.app-row.app-card-disabled .app-link-btn {
  background: var(--color-surface-highlight);
  color: var(--color-text-tertiary);
  cursor: not-allowed;
}

.list-view {
  overflow-x: auto;
}

.app-table-wrapper {
  min-width: 760px;
  border-radius: 1rem;
}

.app-table th,
.app-table td {
  vertical-align: middle;
}

.app-table th:nth-child(1) { width: 25%; }
.app-table th:nth-child(2) { width: 16%; }
.app-table th:nth-child(3) { width: 36%; }
.app-table th:nth-child(4) { width: 12%; }
.app-table th:nth-child(5) { width: 11%; }

.table-app-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
  font-weight: 700;
}

.app-icon-small {
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  border-radius: var(--radius-md);
  background: var(--color-surface-highlight);
}

.app-table .app-desc {
  max-width: 420px;
  display: table-cell;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.state-panel {
  grid-column: 1 / -1;
  display: flex;
  min-height: 180px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 2rem;
  border: 1px dashed var(--color-border);
  border-radius: 1rem;
  background: color-mix(in srgb, var(--color-surface) 76%, transparent);
  color: var(--color-text-secondary);
  text-align: center;
}

.state-panel strong {
  color: var(--color-text);
  font-size: 1rem;
}

.state-panel p {
  max-width: 30rem;
  margin: 0;
}

.state-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: 999px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 1.5rem;
  font-weight: 800;
}

.error-state {
  border-color: color-mix(in srgb, var(--color-danger) 40%, var(--color-border));
}

.announcement-panel {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(260px, 0.9fr);
  gap: 1.5rem;
  overflow: hidden;
  padding: clamp(1.5rem, 4vw, 3rem);
  background:
    radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.32), transparent 18rem),
    linear-gradient(135deg, #101827, #172033);
  color: #ffffff;
}

.announcement-copy {
  position: relative;
  z-index: 1;
}

.live-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.75rem;
  border: 1px solid rgba(96, 165, 250, 0.35);
  border-radius: 999px;
  background: rgba(59, 130, 246, 0.12);
  color: #93c5fd;
  font-size: 0.6875rem;
  font-weight: 850;
  letter-spacing: 0.12em;
}

.live-pill span {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 999px;
  background: #60a5fa;
  box-shadow: 0 0 0 6px rgba(96, 165, 250, 0.12);
}

.announcement-panel h2 {
  max-width: 680px;
  margin: 1rem 0;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: -0.055em;
}

.announcement-panel p {
  max-width: 620px;
  color: #bec6e0;
}

.announcement-link {
  margin-top: 1.5rem;
  background: #ffffff;
  color: #101827;
}

.invite-panel {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.invite-card {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: 1.25rem;
  align-items: start;
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid color-mix(in srgb, var(--color-border) 76%, transparent);
  border-radius: 1.5rem;
  background: color-mix(in srgb, var(--color-surface) 88%, transparent);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.06);
}

.invite-copy strong {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 1.125rem;
}

.invite-copy p,
.invite-status {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
}

.invite-actions {
  display: grid;
  gap: 0.875rem;
}

.invite-result {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.75rem;
}

.invite-link-input {
  min-height: 44px;
  width: 100%;
  padding: 0.75rem 0.875rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 0.875rem;
}

.invite-status[data-status="success"] {
  color: var(--color-success);
}

.invite-status[data-status="error"] {
  color: var(--color-danger);
}

.primary-action:disabled {
  cursor: wait;
  opacity: 0.7;
  transform: none;
}

.register-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: clamp(1.25rem, 4vw, 3rem);
  background:
    radial-gradient(circle at 20% 10%, rgba(37, 99, 235, 0.12), transparent 28rem),
    radial-gradient(circle at 85% 18%, rgba(16, 185, 129, 0.08), transparent 24rem),
    var(--color-bg);
}

.register-card {
  width: min(100%, 520px);
  padding: clamp(1.5rem, 4vw, 2.25rem);
  border: 1px solid color-mix(in srgb, var(--color-border) 76%, transparent);
  border-radius: 1.5rem;
  background: var(--color-surface);
  box-shadow: var(--shadow-xl);
}

.register-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}

.register-brand img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: var(--shadow-sm);
}

.register-brand strong,
.register-brand span {
  display: block;
}

.register-brand strong {
  font-size: 1.125rem;
  font-weight: 800;
}

.register-brand span {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

.register-card h1 {
  margin-bottom: 0.5rem;
  font-size: clamp(1.75rem, 5vw, 2.25rem);
  letter-spacing: -0.04em;
}

.register-card > p {
  margin-bottom: 1.5rem;
  color: var(--color-text-secondary);
}

.register-form {
  display: grid;
  gap: 1rem;
}

.register-field {
  display: grid;
  gap: 0.5rem;
}

.register-field label {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  font-weight: 700;
}

.register-field input[type="text"],
.register-field input[type="password"] {
  width: 100%;
  min-height: 50px;
  padding: 0.75rem 0.875rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface-highlight);
  color: var(--color-text);
}

.register-help {
  color: var(--color-text-tertiary);
  font-size: 0.8125rem;
}

.avatar-preview-row {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-surface-highlight);
}

.avatar-preview {
  width: 56px;
  height: 56px;
  flex: 0 0 56px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  object-fit: contain;
  background: #ffffff;
}

.avatar-picker {
  min-width: 0;
  display: grid;
  gap: 0.35rem;
}

.avatar-file-input {
  display: none;
}

.avatar-file-button {
  width: fit-content;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 0.875rem;
  border: 1px solid color-mix(in srgb, var(--color-primary) 32%, var(--color-border));
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  color: var(--color-primary);
  font-size: 0.875rem;
  font-weight: 750;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.avatar-file-button:hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
  transform: translateY(-1px);
}

.avatar-file-button:focus-visible {
  outline: 3px solid var(--color-primary-light);
  outline-offset: 2px;
}

.avatar-file-name {
  max-width: min(320px, 58vw);
  overflow: hidden;
  color: var(--color-text-secondary);
  font-size: 0.8125rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.register-status {
  min-height: 1.5rem;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

.register-status[data-status="success"] {
  color: var(--color-success);
}

.register-status[data-status="error"] {
  color: var(--color-danger);
}

.register-footer-link {
  margin-top: 1.25rem;
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

.register-footer-link a {
  color: var(--color-primary);
  font-weight: 700;
}

.announcement-visual {
  position: relative;
  min-height: 260px;
  border-radius: 1.25rem;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.16), rgba(255,255,255,0.04)),
    radial-gradient(circle, rgba(96, 165, 250, 0.35), transparent 55%);
  overflow: hidden;
}

.node {
  position: absolute;
  width: 74px;
  height: 74px;
  border: 1px solid rgba(255,255,255,0.28);
  border-radius: 999px;
  background: rgba(255,255,255,0.12);
  box-shadow: 0 0 36px rgba(96, 165, 250, 0.32);
}

.node-a { left: 16%; top: 18%; }
.node-b { right: 18%; top: 32%; width: 96px; height: 96px; }
.node-c { left: 38%; bottom: 16%; width: 58px; height: 58px; }

.connection {
  position: absolute;
  inset: 18% 14%;
  border: 1px solid rgba(147, 197, 253, 0.28);
  border-radius: 42% 58% 52% 48%;
  transform: rotate(-12deg);
}

.quick-add-btn {
  position: fixed;
  right: max(1rem, env(safe-area-inset-right));
  bottom: max(1rem, env(safe-area-inset-bottom));
  z-index: 70;
  width: 56px;
  height: 56px;
  border: 0;
  border-radius: 999px;
  background: var(--color-primary);
  color: #ffffff;
  box-shadow: 0 18px 36px rgba(37, 99, 235, 0.35);
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.quick-add-btn:hover,
.quick-add-btn:focus-visible {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 22px 42px rgba(37, 99, 235, 0.42);
  outline: none;
}

.narrow-modal {
  max-width: 500px;
}

.warning-btn {
  background-color: var(--color-warning);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media (max-width: 1180px) {
  .top-nav {
    display: none;
  }

  .hero-panel,
  .announcement-panel,
  .invite-card {
    grid-template-columns: 1fr;
  }

  .hero-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 960px) {
  .side-nav {
    display: none;
  }

  .mobile-brand {
    display: flex;
  }

  .site-header {
    flex-wrap: wrap;
    height: auto;
    min-height: 68px;
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
  }

  .top-search {
    order: 3;
    flex-basis: 100%;
    max-width: none;
  }
}

@media (max-width: 640px) {
  .profile-section .profile-form {
    grid-template-columns: 1fr;
  }

  .profile-avatar {
    width: 96px;
    height: 96px;
  }
}

@media (max-width: 760px) {
  .site-main {
    padding: 1rem;
    gap: 2rem;
  }

  .hero-copy {
    min-height: auto;
  }

  .hero-metrics,
  .favorite-grid {
    grid-template-columns: 1fr;
  }

  .section-header {
    align-items: flex-start;
  }

  .section-actions,
  .filter-select {
    width: 100%;
  }

  .card-footer {
    align-items: stretch;
    flex-direction: column;
  }

  .app-link-btn {
    width: 100%;
  }

  .announcement-visual {
    min-height: 180px;
  }

  .invite-result {
    grid-template-columns: 1fr;
  }

  .quick-add-btn {
    width: 52px;
    height: 52px;
  }
}

@media (max-width: 560px) {
  .header-right {
    gap: 0.25rem;
  }

  .icon-btn {
    display: none;
  }

  .user-name,
  .arrow-down {
    display: none !important;
  }

  .user-menu-trigger {
    padding: 0.25rem;
  }

  .hero-actions {
    flex-direction: column;
  }

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

  .site-footer {
    padding-bottom: 5rem;
  }
}