/* 
 * diBoaS Investor Portal - Critical CSS
 * Above-the-fold styles loaded immediately
 * Target: First meaningful paint optimization
 */

/* ===========================
   CSS CUSTOM PROPERTIES
   =========================== */

:root {
  /* Professional Investor Colors */
  --investor-primary: #1E3A8A;
  --investor-secondary: #3B82F6;
  --investor-accent: #60A5FA;
  --investor-light: #DBEAFE;
  --investor-dark: #0F172A;
  --investor-gradient: linear-gradient(135deg, #1E3A8A 0%, #3B82F6 100%);

  /* Professional Backgrounds */
  --bg-investor: #FAFBFF;
  --bg-investor-secondary: #F1F5F9;
  --bg-investor-card: #FFFFFF;
  --bg-investor-hover: #F8FAFC;

  /* Professional Text */
  --text-investor-primary: #0F172A;
  --text-investor-secondary: #475569;
  --text-investor-tertiary: #64748B;
  --text-investor-inverse: #FFFFFF;
  --text-investor-muted: #94A3B8;

  /* Professional Borders */
  --border-investor: #E2E8F0;
  --border-investor-hover: #CBD5E1;
  --border-investor-focus: #3B82F6;
  --border-investor-strong: #94A3B8;

  /* Status Colors for Investor Context */
  --status-positive: #059669;
  --status-negative: #DC2626;
  --status-neutral: #6B7280;
  --status-warning: #D97706;
  --status-info: #0284C7;

  /* Security & Privacy */
  --security-green: #10B981;
  --privacy-blue: #3B82F6;
  --confidential-red: #EF4444;

  /* Redaction System */
  --redacted-bg: #64748B;
  --redacted-text: #FFFFFF;
  --redacted-hover: #475569;
}

/* Dark Theme Overrides for Investor Portal */
[data-theme="dark"] {
  --bg-investor: #0F172A;
  --bg-investor-secondary: #1E293B;
  --bg-investor-card: #1E293B;
  --bg-investor-hover: #334155;
  --text-investor-primary: #F8FAFC;
  --text-investor-secondary: #CBD5E1;
  --text-investor-tertiary: #94A3B8;
  --border-investor: #334155;
  --border-investor-hover: #475569;
}

/* ===========================
   LAYOUT STRUCTURE
   =========================== */

.investor-layout {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: var(--neutral-50);
  font-family: var(--font-primary);
}

/* ===========================
   HEADER STYLES (CRITICAL)
   =========================== */

.investor-header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-investor);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: all 0.3s ease;
}

[data-theme="dark"] .investor-header {
  background: rgba(15, 23, 42, 0.95);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  max-width: 1400px;
  margin: 0 auto;
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  flex: 1;
}

.investor-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--text-investor-primary);
  transition: opacity 0.2s ease;
}

.investor-logo:hover {
  opacity: 0.8;
}

.logo-icon svg {
  display: block;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--investor-primary);
}

.logo-subtitle {
  font-size: var(--text-sm);
  color: var(--text-investor-secondary);
  font-weight: 500;
}

/* ===========================
   HERO SECTION (CRITICAL)
   =========================== */

.hero-section {
  padding: calc(var(--header-height, 80px) + var(--space-16)) 0 var(--space-16);
  background: var(--bg-investor);
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.hero-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--investor-light);
  color: var(--investor-primary);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  width: fit-content;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(var(--text-4xl), 5vw, var(--text-6xl));
  font-weight: 800;
  line-height: 1.1;
  color: var(--text-investor-primary);
  margin: 0;
}

.hero-title .highlight {
  background: var(--investor-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: var(--text-xl);
  color: var(--text-investor-secondary);
  line-height: 1.5;
  margin: 0;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  padding: var(--space-6);
  background: var(--bg-investor-card);
  border: 1px solid var(--border-investor);
  border-radius: var(--radius-xl);
}

.metric-item {
  text-align: center;
}

.metric-value {
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--investor-primary);
  display: block;
  margin-bottom: var(--space-1);
}

.metric-label {
  font-size: var(--text-sm);
  color: var(--text-investor-tertiary);
  font-weight: 500;
}

/* ===========================
   CTA BUTTONS (CRITICAL)
   =========================== */

.hero-cta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.cta-primary {
  background: var(--investor-gradient);
  color: var(--text-investor-inverse);
  border: none;
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-6);
  font-size: var(--text-lg);
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-width: 200px;
  justify-content: center;
  cursor: pointer;
}

.cta-primary:hover {
  background: var(--investor-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
  color: var(--text-investor-inverse);
}

.cta-secondary {
  background: var(--bg-investor-card);
  color: var(--text-investor-primary);
  border: 2px solid var(--border-investor);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-6);
  font-size: var(--text-lg);
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-width: 200px;
  justify-content: center;
}

.cta-secondary:hover {
  border-color: var(--investor-primary);
  color: var(--investor-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}