/* ==============================================================================
   TradeMate - Equity Terminal Stylesheet (equity.css)
   Strict Light Theme conforming to GEMINI.md Constitution
   ============================================================================== */

:root {
  --eq-bg-page: #F8FAFC;
  --eq-bg-card: #FFFFFF;
  --eq-text-dark: #0F172A;
  --eq-text-muted: #64748B;
  --eq-border-subtle: #E2E8F0;
  --eq-border-strong: #CBD5E1;
  --eq-primary: #4F46E5;
  --eq-primary-hover: #4338CA;
  --eq-red: #EF4444;
  --eq-green: #10B981;
  --eq-radius-sm: 6px;
  --eq-radius-md: 8px;
  --eq-radius-lg: 12px;
  --eq-font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --eq-font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

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

body.eq-body {
  background-color: var(--eq-bg-page);
  color: var(--eq-text-dark);
  font-family: var(--eq-font-sans);
  font-size: 13px;
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ==============================================================================
   1. HEADER BAR
   ============================================================================== */
.eq-header {
  background: var(--eq-bg-card);
  border-bottom: 1px solid var(--eq-border-subtle);
  height: 54px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
}

.eq-header-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.eq-brand-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--eq-text-dark);
  letter-spacing: -0.01em;
}

.eq-brand-icon {
  color: var(--eq-primary);
}

.eq-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 600;
  background: #EEF2FF;
  color: var(--eq-primary);
  border: 1px solid #C7D2FE;
  padding: 3px 8px;
  border-radius: 9999px;
}

.eq-status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--eq-green);
  animation: eq-pulse 2s infinite ease-in-out;
}

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

.eq-header-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.eq-clock-display {
  font-family: var(--eq-font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--eq-text-muted);
  background: #F1F5F9;
  border: 1px solid var(--eq-border-subtle);
  padding: 5px 10px;
  border-radius: var(--eq-radius-sm);
  white-space: nowrap;
}

.eq-header-btn {
  background: #FFFFFF;
  color: var(--eq-text-dark);
  border: 1px solid var(--eq-border-strong);
  padding: 6px 12px;
  border-radius: var(--eq-radius-sm);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: all 0.15s ease;
}

.eq-header-btn:hover {
  background: #F8FAFC;
  border-color: #94A3B8;
  color: var(--eq-text-dark);
}

.eq-header-btn-primary {
  background: var(--eq-primary);
  color: #FFFFFF;
  border-color: var(--eq-primary);
}

.eq-header-btn-primary:hover {
  background: var(--eq-primary-hover);
  border-color: var(--eq-primary-hover);
  color: #FFFFFF;
}

/* ==============================================================================
   2. MAIN WORKSPACE CANVAS
   ============================================================================== */
.eq-main-canvas {
  flex: 1;
  padding: 24px;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
}

.eq-card {
  background: var(--eq-bg-card);
  border: 1px solid var(--eq-border-subtle);
  border-radius: var(--eq-radius-lg);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  padding: 32px;
  text-align: center;
  margin-top: 20px;
}

.eq-empty-state {
  max-width: 480px;
  margin: 0 auto;
}

.eq-empty-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  color: var(--eq-primary);
  background: #EEF2FF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.eq-empty-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--eq-text-dark);
  margin-bottom: 8px;
}

.eq-empty-desc {
  font-size: 13px;
  color: var(--eq-text-muted);
  line-height: 1.6;
  margin-bottom: 24px;
}

.eq-actions-row {
  display: flex;
  justify-content: center;
  gap: 12px;
}

/* ==============================================================================
   3. SESSION SECURITY GATE
   ============================================================================== */
.login-overlay {
  position: fixed;
  inset: 0;
  background: rgba(248, 250, 252, 0.95);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.login-card {
  background: #FFFFFF;
  border: 1px solid var(--eq-border-subtle);
  border-radius: var(--eq-radius-lg);
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.08);
  width: 90%;
  max-width: 400px;
  padding: 32px 24px;
}

.login-header {
  text-align: center;
  margin-bottom: 20px;
}

.login-icon {
  font-size: 32px;
  margin-bottom: 8px;
}

.login-header h2 {
  font-size: 18px;
  font-weight: 700;
  color: var(--eq-text-dark);
}

.login-header p {
  font-size: 12px;
  color: var(--eq-text-muted);
}

.form-group {
  margin-bottom: 16px;
}

.info-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: var(--eq-text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
}

.password-input-wrapper {
  display: flex;
  align-items: center;
  border: 1px solid var(--eq-border-strong);
  border-radius: var(--eq-radius-sm);
  background: #FFFFFF;
  overflow: hidden;
}

.text-input {
  flex: 1;
  border: none;
  padding: 8px 12px;
  font-size: 13px;
  outline: none;
}

.btn-toggle-pwd {
  background: transparent;
  border: none;
  padding: 8px 12px;
  cursor: pointer;
  color: var(--eq-text-muted);
}

.btn-login-submit {
  width: 100%;
  background: var(--eq-primary);
  color: #FFFFFF;
  border: none;
  padding: 10px;
  border-radius: var(--eq-radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease;
}

.btn-login-submit:hover {
  background: var(--eq-primary-hover);
}

.login-error {
  font-size: 12px;
  color: var(--eq-red);
  margin-bottom: 12px;
  text-align: center;
}

/* Responsive adjustments */
@media (max-width: 640px) {
  .eq-header {
    height: auto;
    padding: 10px 12px;
    flex-wrap: wrap;
    gap: 8px;
  }
  .eq-header-right {
    width: 100%;
    justify-content: flex-end;
  }
  .eq-main-canvas {
    padding: 12px;
  }
  .eq-card {
    padding: 20px 12px;
  }
}