/* ==========================================================================
   超市电子秤实时数据大屏仪表盘 - 全局样式
   科技蓝 + 黑色背景工业化大屏设计
   Requirements: 3.1, 3.2, 3.3, 3.4, 3.5
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties (Color Scheme & Design Tokens)
   Requirement 3.1: 黑色背景配合科技蓝色调作为主色方案
   -------------------------------------------------------------------------- */
:root {
  /* Primary colors */
  --bg-primary: #0a0a0f;
  --bg-secondary: #0d1117;
  --bg-card: #111827;
  --bg-card-hover: #1a2332;

  /* Tech blue palette */
  --blue-primary: #00d4ff;
  --blue-accent: #0066ff;
  --blue-dark: #003d99;
  --blue-glow: rgba(0, 212, 255, 0.4);
  --blue-glow-strong: rgba(0, 212, 255, 0.6);

  /* Status colors */
  --green-online: #00ff88;
  --green-glow: rgba(0, 255, 136, 0.4);
  --gray-offline: #6b7280;
  --red-error: #ff3b3b;
  --red-alarm: #ff0040;
  --red-glow: rgba(255, 0, 64, 0.5);

  /* Text colors */
  --text-primary: #e0e6ed;
  --text-secondary: #8892a4;
  --text-accent: #00d4ff;
  --text-bright: #ffffff;

  /* Borders */
  --border-color: rgba(0, 212, 255, 0.15);
  --border-glow: rgba(0, 212, 255, 0.3);

  /* Spacing */
  --gap-sm: 8px;
  --gap-md: 16px;
  --gap-lg: 24px;
  --gap-xl: 32px;

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Font */
  --font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'Consolas', 'Courier New', 'PingFang SC', monospace;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}

/* --------------------------------------------------------------------------
   Full-Screen Dashboard Layout
   Requirement 3.5: 支持大屏（1920x1080及以上）分辨率的全屏展示
   -------------------------------------------------------------------------- */
.dashboard {
  width: 100%;
  min-height: 100vh;
  padding: var(--gap-lg);
  display: flex;
  flex-direction: column;
  gap: var(--gap-lg);
}

.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--gap-md) var(--gap-lg);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
}

.dashboard-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-accent);
  text-shadow: 0 0 10px var(--blue-glow), 0 0 20px rgba(0, 212, 255, 0.2);
  letter-spacing: 2px;
}

/* --------------------------------------------------------------------------
   Total Weight Panel
   Requirement 3.2: 对关键数据元素应用发光效果
   -------------------------------------------------------------------------- */
.total-weight-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--gap-lg);
  padding: var(--gap-lg) var(--gap-xl);
  background: linear-gradient(135deg, var(--bg-secondary) 0%, rgba(0, 102, 255, 0.08) 100%);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  box-shadow:
    0 0 15px rgba(0, 212, 255, 0.1),
    inset 0 0 30px rgba(0, 212, 255, 0.03);
  transition: box-shadow var(--transition-normal);
}

.total-weight-panel:hover {
  box-shadow:
    0 0 25px rgba(0, 212, 255, 0.2),
    inset 0 0 40px rgba(0, 212, 255, 0.05);
}

.total-label {
  font-size: 1.25rem;
  color: var(--text-secondary);
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.total-value {
  font-size: 2.5rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--blue-primary);
  text-shadow:
    0 0 10px var(--blue-glow),
    0 0 20px rgba(0, 212, 255, 0.3),
    0 0 40px rgba(0, 212, 255, 0.1);
  transition: color var(--transition-normal), text-shadow var(--transition-normal);
}

/* --------------------------------------------------------------------------
   Scale Grid Layout
   Requirement 3.4: 采用网格化模块布局，各组件边界清晰、间距统一
   -------------------------------------------------------------------------- */
.scale-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--gap-md);
  padding: var(--gap-sm) 0;
}

/* 5-column layout for large screens (1920px+) */
@media (min-width: 1920px) {
  .scale-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}

/* 4-column layout for medium-large screens */
@media (min-width: 1440px) and (max-width: 1919px) {
  .scale-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* 3-column layout for medium screens */
@media (min-width: 1024px) and (max-width: 1439px) {
  .scale-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* --------------------------------------------------------------------------
   Scale Card
   Requirement 3.2: 对关键数据元素和图表边框应用发光效果
   Requirement 3.3: 对数据更新应用平滑过渡动画效果
   -------------------------------------------------------------------------- */
.scale-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--gap-md);
  display: flex;
  flex-direction: column;
  gap: var(--gap-sm);
  transition:
    transform var(--transition-normal),
    box-shadow var(--transition-normal),
    border-color var(--transition-normal),
    background-color var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.scale-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--blue-primary), transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.scale-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-glow);
  box-shadow:
    0 4px 20px rgba(0, 212, 255, 0.1),
    0 0 15px rgba(0, 212, 255, 0.05);
  background: var(--bg-card-hover);
}

.scale-card:hover::before {
  opacity: 1;
}

/* --------------------------------------------------------------------------
   Scale Card Header
   -------------------------------------------------------------------------- */
.scale-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.scale-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.5px;
}

/* --------------------------------------------------------------------------
   Status Indicator
   Requirement 3.2: 发光效果
   -------------------------------------------------------------------------- */
.scale-status {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all var(--transition-fast);
}

.status-online {
  color: var(--green-online);
  background: rgba(0, 255, 136, 0.1);
  border: 1px solid rgba(0, 255, 136, 0.3);
  box-shadow: 0 0 8px var(--green-glow);
}

.status-offline {
  color: var(--gray-offline);
  background: rgba(107, 114, 128, 0.1);
  border: 1px solid rgba(107, 114, 128, 0.3);
}

.status-error {
  color: var(--red-error);
  background: rgba(255, 59, 59, 0.1);
  border: 1px solid rgba(255, 59, 59, 0.3);
  box-shadow: 0 0 8px rgba(255, 59, 59, 0.3);
}

/* --------------------------------------------------------------------------
   Weight Display
   Requirement 3.2: 对关键数据元素应用发光效果
   Requirement 3.3: 平滑过渡动画
   -------------------------------------------------------------------------- */
.scale-weight {
  font-size: 1.75rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--blue-primary);
  text-align: center;
  padding: var(--gap-sm) 0;
  text-shadow:
    0 0 8px var(--blue-glow),
    0 0 16px rgba(0, 212, 255, 0.2);
  transition: color var(--transition-normal), text-shadow var(--transition-normal);
}

/* --------------------------------------------------------------------------
   Scale Info Section
   -------------------------------------------------------------------------- */
.scale-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--gap-sm);
  border-top: 1px solid var(--border-color);
}

.scale-uptime {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

/* --------------------------------------------------------------------------
   Alarm Active State
   Requirement 1.5: 红色闪烁动画报警
   -------------------------------------------------------------------------- */
@keyframes alarm-flash {
  0%, 100% {
    border-color: var(--red-alarm);
    box-shadow:
      0 0 10px var(--red-glow),
      0 0 20px rgba(255, 0, 64, 0.3),
      inset 0 0 15px rgba(255, 0, 64, 0.05);
  }
  50% {
    border-color: rgba(255, 0, 64, 0.4);
    box-shadow:
      0 0 5px rgba(255, 0, 64, 0.2),
      0 0 10px rgba(255, 0, 64, 0.1),
      inset 0 0 5px rgba(255, 0, 64, 0.02);
  }
}

@keyframes alarm-pulse-bg {
  0%, 100% {
    background-color: rgba(255, 0, 64, 0.08);
  }
  50% {
    background-color: rgba(255, 0, 64, 0.03);
  }
}

.alarm-active {
  border-color: var(--red-alarm) !important;
  animation:
    alarm-flash 1.5s ease-in-out infinite,
    alarm-pulse-bg 1.5s ease-in-out infinite;
}

.alarm-active .scale-weight {
  color: var(--red-alarm);
  text-shadow:
    0 0 8px var(--red-glow),
    0 0 16px rgba(255, 0, 64, 0.3);
}

.alarm-active .scale-name {
  color: var(--red-alarm);
}

/* --------------------------------------------------------------------------
   Alarm Banner
   -------------------------------------------------------------------------- */
@keyframes banner-flash {
  0%, 100% {
    opacity: 1;
    background: linear-gradient(90deg, rgba(255, 0, 64, 0.15), rgba(255, 0, 64, 0.25), rgba(255, 0, 64, 0.15));
  }
  50% {
    opacity: 0.7;
    background: linear-gradient(90deg, rgba(255, 0, 64, 0.08), rgba(255, 0, 64, 0.12), rgba(255, 0, 64, 0.08));
  }
}

.alarm-banner {
  padding: var(--gap-md) var(--gap-lg);
  border: 1px solid var(--red-alarm);
  border-radius: var(--radius-md);
  text-align: center;
  font-weight: 600;
  color: var(--red-alarm);
  animation: banner-flash 1.5s ease-in-out infinite;
  box-shadow: 0 0 20px var(--red-glow);
}

.alarm-banner-hidden {
  display: none;
}

/* --------------------------------------------------------------------------
   Chart Panel
   Requirement 3.2: 对图表边框应用发光效果
   -------------------------------------------------------------------------- */
.chart-panel {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--gap-md);
  padding: var(--gap-sm) 0;
}

@media (max-width: 1023px) {
  .chart-panel {
    grid-template-columns: 1fr;
  }
}

.chart-container {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--gap-md);
  box-shadow: 0 0 10px rgba(0, 212, 255, 0.05);
  transition: box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.chart-container:hover {
  border-color: var(--border-glow);
  box-shadow:
    0 0 15px rgba(0, 212, 255, 0.1),
    0 0 30px rgba(0, 212, 255, 0.05);
}

.chart-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-accent);
  margin-bottom: var(--gap-md);
  padding-bottom: var(--gap-sm);
  border-bottom: 1px solid var(--border-color);
  text-shadow: 0 0 8px rgba(0, 212, 255, 0.2);
}

/* --------------------------------------------------------------------------
   Connection Status Indicator
   -------------------------------------------------------------------------- */
.connection-status {
  display: flex;
  align-items: center;
  gap: var(--gap-sm);
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.connection-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  transition: background-color var(--transition-fast), box-shadow var(--transition-fast);
}

.connection-dot.connected {
  background-color: var(--green-online);
  box-shadow: 0 0 6px var(--green-glow);
}

.connection-dot.disconnected {
  background-color: var(--red-error);
  box-shadow: 0 0 6px rgba(255, 59, 59, 0.4);
  animation: alarm-flash 1.5s ease-in-out infinite;
}

.connection-dot.reconnecting {
  background-color: #ffaa00;
  box-shadow: 0 0 6px rgba(255, 170, 0, 0.4);
  animation: pulse 1s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* --------------------------------------------------------------------------
   Error Message
   -------------------------------------------------------------------------- */
.error-message {
  background: rgba(255, 59, 59, 0.1);
  border: 1px solid rgba(255, 59, 59, 0.3);
  border-radius: var(--radius-md);
  padding: var(--gap-lg);
  text-align: center;
  color: var(--red-error);
  font-size: 0.95rem;
}

.error-message p {
  margin: var(--gap-sm) 0;
}

/* --------------------------------------------------------------------------
   No Data Message
   -------------------------------------------------------------------------- */
.no-data {
  text-align: center;
  padding: var(--gap-xl);
  color: var(--text-secondary);
  font-size: 1rem;
}

/* --------------------------------------------------------------------------
   Smooth Data Update Transitions
   Requirement 3.3: 对数据更新和页面切换应用平滑过渡动画效果
   -------------------------------------------------------------------------- */

/* HTMX swap transitions */
.htmx-swapping {
  opacity: 0.8;
  transition: opacity var(--transition-fast);
}

.htmx-settling {
  opacity: 1;
  transition: opacity var(--transition-normal);
}

/* Fade-in animation for newly loaded content */
@keyframes fade-in {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fade-in var(--transition-normal) ease-out;
}

/* Smooth number update effect */
@keyframes value-update {
  0% { color: var(--text-bright); }
  100% { color: var(--blue-primary); }
}

/* --------------------------------------------------------------------------
   Section Headers
   -------------------------------------------------------------------------- */
.section-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-accent);
  padding: var(--gap-sm) 0;
  margin-bottom: var(--gap-sm);
  border-left: 3px solid var(--blue-primary);
  padding-left: var(--gap-md);
  text-shadow: 0 0 8px rgba(0, 212, 255, 0.15);
}

/* --------------------------------------------------------------------------
   Scrollbar Styling (Webkit)
   -------------------------------------------------------------------------- */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: rgba(0, 212, 255, 0.2);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 212, 255, 0.4);
}

/* --------------------------------------------------------------------------
   Responsive Adjustments for Large Screens
   Requirement 3.5: 支持大屏（1920x1080及以上）分辨率的全屏展示
   -------------------------------------------------------------------------- */

/* Full HD (1920x1080) and above */
@media (min-width: 1920px) {
  .dashboard {
    padding: var(--gap-xl);
    max-width: 100%;
  }

  .total-value {
    font-size: 3rem;
  }

  .scale-weight {
    font-size: 2rem;
  }

  .scale-name {
    font-size: 1.05rem;
  }
}

/* 2K (2560x1440) and above */
@media (min-width: 2560px) {
  .scale-grid {
    grid-template-columns: repeat(6, 1fr);
  }

  .total-value {
    font-size: 3.5rem;
  }

  .dashboard {
    padding: var(--gap-xl) 48px;
  }
}

/* 4K (3840x2160) and above */
@media (min-width: 3840px) {
  html {
    font-size: 20px;
  }

  .scale-grid {
    grid-template-columns: repeat(6, 1fr);
    gap: var(--gap-lg);
  }
}

/* --------------------------------------------------------------------------
   Utility Classes
   -------------------------------------------------------------------------- */
.text-glow {
  text-shadow:
    0 0 8px var(--blue-glow),
    0 0 16px rgba(0, 212, 255, 0.2);
}

.box-glow {
  box-shadow:
    0 0 10px rgba(0, 212, 255, 0.1),
    0 0 20px rgba(0, 212, 255, 0.05);
}

.border-glow {
  border-color: var(--border-glow);
}

.hidden {
  display: none !important;
}

.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;
}

/* ==========================================================================
   响应式登录/注册/管理页面样式
   移动端优先 (Mobile-First) 响应式布局
   Requirements: 9.1, 9.2, 9.3
   ========================================================================== */

/* --------------------------------------------------------------------------
   Auth Page Layout (Login & Register)
   Mobile-first: base styles for mobile (<768px)
   Requirements: 9.1, 9.2
   -------------------------------------------------------------------------- */
.auth-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--gap-md);
  background: var(--bg-primary);
  background-image:
    radial-gradient(ellipse at 20% 50%, rgba(0, 102, 255, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 50%, rgba(0, 212, 255, 0.06) 0%, transparent 50%);
}

.auth-card {
  width: 100%;
  max-width: 400px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--gap-lg);
  box-shadow:
    0 0 20px rgba(0, 212, 255, 0.08),
    0 4px 30px rgba(0, 0, 0, 0.4);
  transition: box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.auth-card:hover {
  border-color: var(--border-glow);
  box-shadow:
    0 0 30px rgba(0, 212, 255, 0.12),
    0 8px 40px rgba(0, 0, 0, 0.5);
}

/* --------------------------------------------------------------------------
   Auth Form
   -------------------------------------------------------------------------- */
.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--gap-md);
}

.auth-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-accent);
  text-align: center;
  margin-bottom: var(--gap-sm);
  text-shadow: 0 0 10px var(--blue-glow), 0 0 20px rgba(0, 212, 255, 0.2);
  letter-spacing: 1px;
}

.auth-subtitle {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: var(--gap-sm);
}

/* --------------------------------------------------------------------------
   Auth Form Group & Labels
   -------------------------------------------------------------------------- */
.auth-form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.auth-label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.3px;
}

/* --------------------------------------------------------------------------
   Auth Input Fields
   Dark background, blue border on focus, glow effect
   -------------------------------------------------------------------------- */
.auth-input {
  width: 100%;
  padding: 12px 14px;
  font-size: 0.95rem;
  font-family: var(--font-family);
  color: var(--text-primary);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  outline: none;
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background-color var(--transition-fast);
}

.auth-input::placeholder {
  color: var(--text-secondary);
  opacity: 0.6;
}

.auth-input:focus {
  border-color: var(--blue-primary);
  background: rgba(13, 17, 23, 0.9);
  box-shadow:
    0 0 8px rgba(0, 212, 255, 0.25),
    0 0 16px rgba(0, 212, 255, 0.1);
}

.auth-input:hover:not(:focus) {
  border-color: rgba(0, 212, 255, 0.3);
}

/* --------------------------------------------------------------------------
   Auth Button
   Blue gradient, hover glow effect
   -------------------------------------------------------------------------- */
.auth-button {
  width: 100%;
  padding: 12px 20px;
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-family);
  color: var(--text-bright);
  background: linear-gradient(135deg, var(--blue-accent) 0%, var(--blue-dark) 100%);
  border: 1px solid rgba(0, 102, 255, 0.4);
  border-radius: var(--radius-md);
  cursor: pointer;
  letter-spacing: 0.5px;
  transition:
    box-shadow var(--transition-fast),
    transform var(--transition-fast),
    background var(--transition-fast);
}

.auth-button:hover {
  box-shadow:
    0 0 15px rgba(0, 102, 255, 0.4),
    0 0 30px rgba(0, 102, 255, 0.2);
  transform: translateY(-1px);
}

.auth-button:active {
  transform: translateY(0);
  box-shadow: 0 0 8px rgba(0, 102, 255, 0.3);
}

.auth-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* --------------------------------------------------------------------------
   Auth Links (e.g., "Register" / "Back to Login")
   -------------------------------------------------------------------------- */
.auth-link {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--text-accent);
  text-decoration: none;
  text-align: center;
  transition: color var(--transition-fast), text-shadow var(--transition-fast);
}

.auth-link:hover {
  color: var(--text-bright);
  text-shadow: 0 0 8px var(--blue-glow);
}

.auth-links {
  display: flex;
  justify-content: center;
  gap: var(--gap-md);
  padding-top: var(--gap-sm);
}

/* --------------------------------------------------------------------------
   Auth Error / Success Messages
   -------------------------------------------------------------------------- */
.auth-error {
  padding: 10px 14px;
  font-size: 0.85rem;
  color: var(--red-error);
  background: rgba(255, 59, 59, 0.1);
  border: 1px solid rgba(255, 59, 59, 0.3);
  border-radius: var(--radius-sm);
  text-align: center;
}

.auth-success {
  padding: 10px 14px;
  font-size: 0.85rem;
  color: var(--green-online);
  background: rgba(0, 255, 136, 0.1);
  border: 1px solid rgba(0, 255, 136, 0.3);
  border-radius: var(--radius-sm);
  text-align: center;
}

/* --------------------------------------------------------------------------
   Auth Optional Field Hint (e.g., authorization code)
   -------------------------------------------------------------------------- */
.auth-hint {
  font-size: 0.75rem;
  color: var(--text-secondary);
  opacity: 0.7;
}

/* --------------------------------------------------------------------------
   Admin Page Layout
   Mobile-first: base styles for mobile (<768px)
   Requirement: 9.3
   -------------------------------------------------------------------------- */
.admin-page {
  min-height: 100vh;
  padding: var(--gap-md);
  background: var(--bg-primary);
}

.admin-header {
  display: flex;
  flex-direction: column;
  gap: var(--gap-sm);
  padding: var(--gap-md);
  margin-bottom: var(--gap-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
}

.admin-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-accent);
  text-shadow: 0 0 10px var(--blue-glow);
  letter-spacing: 1px;
}

.admin-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-sm);
}

.admin-btn {
  padding: 8px 16px;
  font-size: 0.85rem;
  font-weight: 500;
  font-family: var(--font-family);
  color: var(--text-primary);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background var(--transition-fast);
}

.admin-btn:hover {
  border-color: var(--border-glow);
  background: var(--bg-card-hover);
  box-shadow: 0 0 10px rgba(0, 212, 255, 0.1);
}

.admin-btn-primary {
  color: var(--text-bright);
  background: linear-gradient(135deg, var(--blue-accent) 0%, var(--blue-dark) 100%);
  border-color: rgba(0, 102, 255, 0.4);
}

.admin-btn-primary:hover {
  box-shadow:
    0 0 12px rgba(0, 102, 255, 0.3),
    0 0 24px rgba(0, 102, 255, 0.15);
}

/* --------------------------------------------------------------------------
   Admin Table
   Mobile-first: card-based layout on mobile, table on larger screens
   -------------------------------------------------------------------------- */
.admin-table-wrapper {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-card);
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.admin-table thead {
  background: var(--bg-secondary);
}

.admin-table th {
  padding: 12px 14px;
  font-weight: 600;
  color: var(--text-accent);
  text-align: left;
  white-space: nowrap;
  border-bottom: 1px solid var(--border-glow);
  letter-spacing: 0.3px;
}

.admin-table td {
  padding: 10px 14px;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
  transition: background-color var(--transition-fast);
}

.admin-table tbody tr:hover td {
  background: rgba(0, 212, 255, 0.03);
}

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

/* Admin table role badge */
.admin-role-badge {
  display: inline-block;
  padding: 2px 8px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 10px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.role-admin {
  color: var(--blue-primary);
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.3);
}

.role-authorized {
  color: var(--green-online);
  background: rgba(0, 255, 136, 0.1);
  border: 1px solid rgba(0, 255, 136, 0.3);
}

.role-user {
  color: var(--text-secondary);
  background: rgba(107, 114, 128, 0.1);
  border: 1px solid rgba(107, 114, 128, 0.3);
}

/* --------------------------------------------------------------------------
   Mobile Card View for Admin Table (shown on small screens)
   -------------------------------------------------------------------------- */
.admin-card-list {
  display: flex;
  flex-direction: column;
  gap: var(--gap-sm);
}

.admin-user-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--gap-md);
  display: flex;
  flex-direction: column;
  gap: var(--gap-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.admin-user-card:hover {
  border-color: var(--border-glow);
  box-shadow: 0 0 10px rgba(0, 212, 255, 0.08);
}

.admin-user-card-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
}

.admin-user-card-label {
  color: var(--text-secondary);
  font-weight: 500;
}

.admin-user-card-value {
  color: var(--text-primary);
}

/* --------------------------------------------------------------------------
   Responsive: Mobile (<768px) - Base styles (mobile-first)
   -------------------------------------------------------------------------- */

/* On mobile, hide the table and show card list */
.admin-table-wrapper {
  display: none;
}

.admin-card-list {
  display: flex;
}

/* --------------------------------------------------------------------------
   Responsive: Tablet (768px - 1024px)
   -------------------------------------------------------------------------- */
@media (min-width: 768px) {
  /* Auth pages - tablet */
  .auth-page {
    padding: var(--gap-lg);
  }

  .auth-card {
    max-width: 440px;
    padding: var(--gap-xl);
  }

  .auth-title {
    font-size: 1.75rem;
  }

  .auth-input {
    padding: 14px 16px;
    font-size: 1rem;
  }

  .auth-button {
    padding: 14px 24px;
    font-size: 1.05rem;
  }

  /* Admin page - tablet */
  .admin-page {
    padding: var(--gap-lg);
  }

  .admin-header {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding: var(--gap-md) var(--gap-lg);
  }

  .admin-title {
    font-size: 1.35rem;
  }

  /* On tablet, show table and hide card list */
  .admin-table-wrapper {
    display: block;
  }

  .admin-card-list {
    display: none;
  }

  .admin-table {
    font-size: 0.9rem;
  }

  .admin-table th,
  .admin-table td {
    padding: 12px 16px;
  }
}

/* --------------------------------------------------------------------------
   Responsive: Desktop (>1024px)
   -------------------------------------------------------------------------- */
@media (min-width: 1024px) {
  /* Auth pages - desktop */
  .auth-card {
    max-width: 480px;
    padding: 40px;
    box-shadow:
      0 0 30px rgba(0, 212, 255, 0.1),
      0 8px 50px rgba(0, 0, 0, 0.5);
  }

  .auth-title {
    font-size: 1.85rem;
    margin-bottom: var(--gap-md);
  }

  .auth-form {
    gap: var(--gap-lg);
  }

  /* Admin page - desktop */
  .admin-page {
    padding: var(--gap-xl);
    max-width: 1400px;
    margin: 0 auto;
  }

  .admin-header {
    padding: var(--gap-lg) var(--gap-xl);
    margin-bottom: var(--gap-lg);
  }

  .admin-title {
    font-size: 1.5rem;
  }

  .admin-table {
    font-size: 0.95rem;
  }

  .admin-table th,
  .admin-table td {
    padding: 14px 20px;
  }
}

/* --------------------------------------------------------------------------
   Responsive: Large Desktop (>1440px)
   -------------------------------------------------------------------------- */
@media (min-width: 1440px) {
  .admin-page {
    max-width: 1600px;
  }

  .admin-table th,
  .admin-table td {
    padding: 16px 24px;
  }
}