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

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

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text-primary);
  min-height: 100vh;
  line-height: 1.5;
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--color-text-muted); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-text-secondary); }

/* Layout */
.app {
  max-width: 960px;
  margin: 0 auto;
  padding: var(--space-5) var(--space-4);
}

/* Header */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.header-logo {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--color-text-primary);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.header-logo .dot { color: var(--color-text-secondary); }

.header-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.plan-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  padding: var(--space-1) var(--space-2);
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.plan-badge.free {
  background: var(--color-surface);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}

.plan-badge.pro {
  background: var(--color-accent-dim);
  color: var(--color-accent);
  border: 1px solid rgba(0,232,143,0.3);
  box-shadow: var(--shadow-glow-green);
}

.plan-badge.enterprise {
  background: var(--color-secondary-dim);
  color: var(--color-secondary);
  border: 1px solid rgba(255,184,0,0.3);
  box-shadow: var(--shadow-glow-gold);
}

/* Greeting */
.greeting {
  margin-bottom: var(--space-5);
}

.greeting h1 {
  font-family: var(--font-sans);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.greeting h1 .emoji {
  margin-right: var(--space-2);
}

.greeting p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  margin-top: var(--space-1);
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

/* Card Base */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  transition: transform var(--transition-base),
              box-shadow var(--transition-base),
              border-color var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-border-hover);
}

.card-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}

.card-value {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.2;
}

.card-value .unit {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--color-text-secondary);
  margin-left: var(--space-1);
}

.card-sub {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: var(--space-2);
  font-family: var(--font-mono);
}

/* Progress Bar */
.progress-container {
  margin-top: var(--space-3);
}

.progress-bar {
  height: 6px;
  background: rgba(255,255,255,0.06);
  border-radius: 3px;
  overflow: hidden;
  position: relative;
}

.progress-fill {
  height: 100%;
  border-radius: 3px;
  background: var(--gradient-accent);
  width: 0%;
  transition: width 1.2s cubic-bezier(0.22, 1, 0.36, 1);
  position: relative;
}

.progress-fill.warning {
  background: linear-gradient(90deg, #FFB800, #FF8C00);
}

.progress-fill.danger {
  background: linear-gradient(90deg, #FF4757, #FF6B6B);
  animation: pulse-danger 2s ease-in-out infinite;
}

.progress-fill::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-shimmer);
  animation: shimmer 2s infinite;
}

.progress-percentage {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  margin-top: var(--space-1);
  text-align: right;
}

/* Section Titles */
.section-title {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  margin-bottom: var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* API Key Card */
.apikey-display {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: rgba(0,0,0,0.3);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.apikey-value {
  flex: 1;
  color: var(--color-accent);
  user-select: all;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.apikey-meta {
  display: flex;
  gap: var(--space-5);
  margin-top: var(--space-3);
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}

.apikey-meta span {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

/* Copy Button */
.btn-copy {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  background: var(--color-accent-dim);
  color: var(--color-accent);
  border: 1px solid rgba(0,232,143,0.2);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-copy:hover {
  background: rgba(0,232,143,0.25);
  border-color: rgba(0,232,143,0.4);
}

.btn-copy.copied {
  background: rgba(0,232,143,0.3);
  animation: bounce-micro 300ms ease-out;
}

/* Quick Start */
.quickstart-code {
  background: rgba(0,0,0,0.4);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  position: relative;
  overflow-x: auto;
}

.quickstart-code .cmd { color: var(--color-accent); }
.quickstart-code .flag { color: var(--color-secondary); }
.quickstart-code .str { color: #A78BFA; }
.quickstart-code .url { color: #60A5FA; }

.quickstart-copy {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
}

/* Sparkline Chart */
.chart-container {
  padding: var(--space-3) 0;
}

.sparkline {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 80px;
  padding: var(--space-2) 0;
}

.sparkline-bar {
  flex: 1;
  background: var(--color-accent);
  border-radius: 2px 2px 0 0;
  min-height: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
  cursor: pointer;
  position: relative;
  opacity: 0.6;
}

.sparkline-bar:hover {
  opacity: 1;
  transform: scaleY(1.08);
}

.sparkline-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.7rem;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  margin-top: var(--space-1);
}

/* Top Endpoints */
.endpoint-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.endpoint-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.endpoint-method {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-accent);
  background: var(--color-accent-dim);
  padding: 2px 8px;
  border-radius: 4px;
  min-width: 36px;
  text-align: center;
}

.endpoint-path {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  flex: 1;
}

.endpoint-bar-container {
  flex: 1;
  max-width: 200px;
}

.endpoint-bar {
  height: 4px;
  background: rgba(255,255,255,0.06);
  border-radius: 2px;
  overflow: hidden;
}

.endpoint-bar-fill {
  height: 100%;
  background: var(--color-accent);
  border-radius: 2px;
  transition: width 1s cubic-bezier(0.22, 1, 0.36, 1);
}

.endpoint-pct {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  min-width: 36px;
  text-align: right;
}

/* Upgrade Button */
.btn-upgrade {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: var(--gradient-accent);
  color: #0A0E1A;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn-upgrade::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-shimmer);
  animation: shimmer 3s infinite;
}

.btn-upgrade:hover {
  transform: scale(1.03);
  box-shadow: var(--shadow-glow-green);
}

.btn-upgrade .emoji-spin {
  display: inline-block;
  transition: transform 0.4s ease;
}

.btn-upgrade:hover .emoji-spin {
  transform: rotate(20deg) scale(1.2);
}

/* Secondary Buttons */
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-surface);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}

.btn-secondary:hover {
  background: var(--color-surface-hover);
  border-color: var(--color-border-hover);
  color: var(--color-text-primary);
}

/* Actions Row */
.actions-row {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-top: var(--space-5);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
}

/* Feature Locked Card */
.card.locked {
  opacity: 0.45;
  position: relative;
}

.card.locked::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(10, 14, 26, 0.3);
  backdrop-filter: blur(2px);
  border-radius: inherit;
  z-index: 1;
}

.card.locked:hover {
  opacity: 0.65;
  cursor: pointer;
}

.card.locked:hover .lock-icon {
  animation: shake 0.4s ease-in-out;
}

.lock-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 2;
  text-align: center;
  gap: var(--space-2);
}

.lock-icon {
  font-size: 1.5rem;
}

.lock-text {
  font-size: 0.75rem;
  color: var(--color-secondary);
  font-weight: 600;
}

/* Two Column Layout */
.two-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

/* Full Width */
.full-width {
  margin-bottom: var(--space-5);
}

/* Login Screen */
.login-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 80vh;
  text-align: center;
}

.login-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  max-width: 420px;
  width: 100%;
}

.login-card h1 {
  font-family: var(--font-mono);
  font-size: 2rem;
  margin-bottom: var(--space-2);
}

.login-card p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-5);
}

.login-input {
  width: 100%;
  padding: var(--space-3);
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

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

.login-input::placeholder {
  color: var(--color-text-muted);
}

.login-btn {
  width: 100%;
  padding: var(--space-3);
  margin-top: var(--space-3);
  background: var(--gradient-accent);
  color: #0A0E1A;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-base);
}

.login-btn:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-glow-green);
}

.login-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.login-error {
  color: var(--color-error);
  font-size: 0.8rem;
  margin-top: var(--space-3);
  display: none;
}

.login-error.visible { display: block; }

.login-divider {
  margin: var(--space-4) 0;
  color: var(--color-text-muted);
  font-size: 0.8rem;
}

.login-create-link {
  color: var(--color-accent);
  font-size: 0.85rem;
  text-decoration: none;
  font-weight: 500;
}

.login-create-link:hover { text-decoration: underline; }

/* Toast */
.toast-container {
  position: fixed;
  bottom: var(--space-5);
  right: var(--space-5);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.toast {
  background: var(--color-surface-glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--color-border-hover);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  font-size: 0.85rem;
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  animation: toast-in 300ms ease-out;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}

.toast.hiding {
  animation: toast-out 300ms ease-in forwards;
}

/* Footer */
.footer {
  margin-top: var(--space-7);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  text-align: center;
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.footer a {
  color: var(--color-text-secondary);
  text-decoration: none;
}

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