/* Apex Core - Silicon Valley Cold Tech Style */
/* Stripe/Linear inspired dark theme */

/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Core colors - Minimal cold tech */
  --valley-bg: #08080A;
  --valley-bg-secondary: #0A0A0C;
  --valley-bg-card: rgba(13, 13, 17, 0.82);
  --valley-white: #FFFFFF;
  --valley-black: #000000;
  --valley-titanium: #9CA3AF;
  --valley-cold-gray: #6B7280;
  --valley-deep-blue: #007AFF;
  --valley-deep-blue-hover: #0066E6;
  --valley-subtle-border: rgba(255, 255, 255, 0.07);
  --valley-subtle-border-hover: rgba(255, 255, 255, 0.12);
  --valley-glass-blur: 20px;
  --valley-status-green: #34D399;
  --valley-status-red: #EF4444;
  
  /* Spacing */
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.25rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', monospace;
  
  /* Radius */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 10px;
  --radius-xl: 12px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 200ms ease;
}

body {
  background: var(--valley-bg);
  color: var(--valley-white);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  overflow-x: hidden;
}

.hidden {
  display: none !important;
}

/* ===================== */
/* Matrix Rain Canvas    */
/* ===================== */
#matrix-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.25;
}

/* ===================== */
/* Init Loader (3 sec)   */
/* ===================== */
.init-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--valley-bg);
}

.init-content {
  text-align: center;
  max-width: 400px;
}

.init-ring {
  position: relative;
  width: 120px;
  height: 120px;
  margin: 0 auto var(--spacing-6);
}

.ring-svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.ring-bg {
  fill: none;
  stroke: rgba(255, 255, 255, 0.1);
  stroke-width: 3;
}

.ring-progress {
  fill: none;
  stroke: var(--valley-deep-blue);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-dasharray: 251.2;
  stroke-dashoffset: 251.2;
  transition: stroke-dashoffset 0.3s ease;
}

.ring-percent {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 24px;
  font-weight: 600;
  color: var(--valley-white);
}

.init-status {
  color: var(--valley-white);
  font-size: 13px;
  margin-bottom: var(--spacing-4);
}

.init-logs {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--valley-titanium);
  max-height: 100px;
  overflow-y: auto;
  margin-bottom: var(--spacing-4);
}

.init-logs .log-item {
  opacity: 0;
  animation: fadeIn 0.3s ease forwards;
}

.init-indicator {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--valley-cold-gray);
}

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

/* ===================== */
/* Main Interface        */
/* ===================== */
.main-interface {
  position: relative;
  z-index: 10;
  min-height: 100vh;
  padding: var(--spacing-4);
  padding-bottom: 60px;
}

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

.header-left {
  flex: 1;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  background: rgba(255, 255, 255, 0.08);
  padding: var(--spacing-2) var(--spacing-3);
  border-radius: var(--radius-md);
  font-size: 11px;
  font-weight: 500;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--valley-status-green);
}

.main-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--valley-white);
  letter-spacing: 0.03em;
  text-align: center;
}

.header-right {
  flex: 1;
  display: flex;
  justify-content: flex-end;
}

/* Language Switcher */
.lang-switcher {
  position: relative;
}

.lang-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  background: var(--valley-bg-card);
  backdrop-filter: blur(var(--valley-glass-blur));
  border: 1px solid var(--valley-subtle-border);
  padding: var(--spacing-2) var(--spacing-3);
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--valley-white);
  font-size: 12px;
  transition: all var(--transition-normal);
}

.lang-btn:hover {
  border-color: var(--valley-subtle-border-hover);
}

.lang-icon {
  width: 14px;
  height: 14px;
}

.lang-arrow {
  width: 12px;
  height: 12px;
  transition: transform var(--transition-fast);
}

.lang-switcher.open .lang-arrow {
  transform: rotate(180deg);
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  background: var(--valley-bg-card);
  backdrop-filter: blur(var(--valley-glass-blur));
  border: 1px solid var(--valley-subtle-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-2);
  min-width: 120px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition-fast);
}

.lang-switcher.open .lang-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-option {
  display: block;
  width: 100%;
  padding: var(--spacing-2) var(--spacing-3);
  background: transparent;
  border: none;
  color: var(--valley-white);
  font-size: 12px;
  cursor: pointer;
  text-align: left;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.lang-option:hover {
  background: rgba(255, 255, 255, 0.1);
}

.lang-option.active {
  color: var(--valley-deep-blue);
}

/* ===================== */
/* Module Cards Grid     */
/* ===================== */
.modules-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-5);
  max-width: 900px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .modules-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-4);
  }
  
  .main-title {
    font-size: 24px;
  }
}

/* Module Card */
.module-card {
  background: var(--valley-bg-card);
  backdrop-filter: blur(var(--valley-glass-blur));
  border: 1px solid var(--valley-subtle-border);
  padding: var(--spacing-6);
  border-radius: var(--radius-xl);
  transition: border-color var(--transition-normal);
}

.module-card:hover {
  border-color: var(--valley-subtle-border-hover);
}

.module-header {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
  margin-bottom: var(--spacing-3);
}

.module-icon {
  font-size: 20px;
}

.module-title-group {
  flex: 1;
}

.module-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--valley-white);
  margin-bottom: 2px;
}

.module-subtitle {
  font-size: 11px;
  color: var(--valley-cold-gray);
  font-family: var(--font-mono);
}

.module-status-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--valley-titanium);
  margin-bottom: var(--spacing-3);
}

.module-status {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
}

.status-dot-sm {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--valley-deep-blue);
}

.module-desc {
  font-size: 12px;
  color: var(--valley-titanium);
  margin-bottom: var(--spacing-4);
  line-height: 1.6;
}

/* Input Group */
.module-input-group {
  margin-bottom: var(--spacing-4);
}

.input-label {
  display: block;
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--valley-cold-gray);
  margin-bottom: var(--spacing-2);
}

.module-input {
  width: 100%;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
  padding: var(--spacing-3) var(--spacing-4);
  color: var(--valley-white);
  font-size: 13px;
  font-family: var(--font-sans);
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.module-input:focus {
  outline: none;
  border-color: var(--valley-deep-blue);
  box-shadow: 0 0 0 2px rgba(0, 122, 255, 0.15);
}

.module-input::placeholder {
  color: var(--valley-cold-gray);
}

/* Button */
.module-btn {
  width: 100%;
  background: var(--valley-white);
  color: var(--valley-black);
  font-size: 13px;
  font-weight: 600;
  padding: var(--spacing-3) var(--spacing-4);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: opacity var(--transition-normal), transform var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.module-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.5s ease;
}

.module-btn:hover::before {
  left: 100%;
}

.module-btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

/* Button Disabled State */
.module-btn.disabled,
.module-btn:disabled {
  background: rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.4);
  cursor: not-allowed;
  opacity: 0.5;
}

.module-btn.disabled:hover,
.module-btn:disabled:hover {
  opacity: 0.5;
  transform: none;
}

.module-btn.disabled::before,
.module-btn:disabled::before {
  display: none;
}

/* Stats */
.module-stats {
  display: flex;
  justify-content: space-between;
  margin-top: var(--spacing-4);
  font-size: 10px;
  font-family: var(--font-mono);
}

.stat-success {
  color: var(--valley-status-green);
}

.stat-latency {
  color: var(--valley-titanium);
}

/* ===================== */
/* Footer Bar            */
/* ===================== */
.footer-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  gap: var(--spacing-6);
  padding: var(--spacing-3) var(--spacing-4);
  background: rgba(10, 10, 12, 0.9);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--valley-subtle-border);
  z-index: 20;
}

.footer-item {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--valley-titanium);
}

.footer-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--valley-deep-blue);
}

/* ===================== */
/* Process Flow (15 sec) */
/* ===================== */
.process-flow {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 200;
  background: rgba(8, 8, 10, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
}

.process-container {
  max-width: 600px;
  width: 100%;
  padding: var(--spacing-6);
  text-align: center;
}

.process-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--spacing-4);
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--valley-titanium);
}

.process-phase-num {
  color: var(--valley-white);
}

/* Matrix Chart */
.matrix-chart {
  background: var(--valley-bg-card);
  border: 1px solid var(--valley-subtle-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-4);
  margin-bottom: var(--spacing-4);
}

.chart-label {
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--valley-cold-gray);
  margin-bottom: var(--spacing-3);
}

.chart-bars {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 3px;
  height: 80px;
}

.chart-bar {
  width: 8px;
  background: var(--valley-deep-blue);
  border-radius: 2px;
  animation: barPulse 0.5s ease infinite alternate;
}

/* Linked Platforms */
.linked-platforms {
  background: var(--valley-bg-card);
  border: 1px solid var(--valley-subtle-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-4);
  margin-bottom: var(--spacing-4);
}

.platforms-title {
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--valley-cold-gray);
  margin-bottom: var(--spacing-3);
}

.platforms-grid {
  display: flex;
  justify-content: center;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-3);
}

.platform-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-2);
}

.platform-logo {
  width: 32px;
  height: 32px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
}

.platform-item span {
  font-size: 10px;
  color: var(--valley-titanium);
}

.asset-lock {
  font-size: 12px;
  color: var(--valley-status-green);
}

/* Warning Panel */
.warning-panel {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius-lg);
  padding: var(--spacing-5);
  margin-bottom: var(--spacing-4);
}

.warning-icon {
  font-size: 24px;
  color: var(--valley-status-red);
  margin-bottom: var(--spacing-3);
}

.warning-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--valley-status-red);
  margin-bottom: var(--spacing-2);
}

.warning-desc {
  font-size: 12px;
  color: var(--valley-white);
  margin-bottom: var(--spacing-3);
}

.warning-time {
  font-size: 13px;
  color: var(--valley-white);
}

.time-countdown {
  font-weight: 600;
  color: var(--valley-status-red);
}

.warning-retrieve {
  font-size: 11px;
  color: var(--valley-titanium);
  margin-top: var(--spacing-2);
}

/* Process Logs */
.process-logs {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--valley-white);
  max-height: 120px;
  overflow-y: auto;
  margin-bottom: var(--spacing-4);
  text-align: left;
}

.log-item {
  padding: 2px 0;
  opacity: 0;
  animation: fadeIn 0.3s ease forwards;
}

.log-success {
  color: var(--valley-status-green);
}

.log-error {
  color: var(--valley-status-red);
}

.log-warning {
  color: #F59E0B;
}

/* Back Button */
.process-back {
  background: transparent;
  border: 1px solid var(--valley-subtle-border);
  color: var(--valley-titanium);
  padding: var(--spacing-2) var(--spacing-4);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 12px;
  transition: all var(--transition-normal);
}

.process-back:hover {
  border-color: var(--valley-subtle-border-hover);
  color: var(--valley-white);
}

/* ===================== */
/* Credential Card       */
/* ===================== */
.credential-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 300;
  background: rgba(8, 8, 10, 0.98);
  display: flex;
  align-items: center;
  justify-content: center;
}

.credential-container {
  max-width: 380px;
  width: 100%;
  padding: var(--spacing-6);
  text-align: center;
}

.credential-card {
  background: var(--valley-bg-card);
  backdrop-filter: blur(var(--valley-glass-blur));
  border: 1px solid var(--valley-subtle-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-6);
  animation: cardFlip 0.6s ease forwards;
  transform-origin: center center;
}

@keyframes cardFlip {
  0% {
    transform: perspective(1000px) rotateY(90deg);
    opacity: 0;
  }
  100% {
    transform: perspective(1000px) rotateY(0deg);
    opacity: 1;
  }
}

.card-header {
  text-align: center;
  margin-bottom: var(--spacing-4);
}

.card-badge {
  display: inline-block;
  background: var(--valley-deep-blue);
  color: var(--valley-white);
  font-size: 10px;
  font-weight: 600;
  padding: 2px var(--spacing-2);
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-2);
}

.card-type {
  font-size: 18px;
  font-weight: 700;
  color: var(--valley-white);
}

.card-body {
  margin-bottom: var(--spacing-4);
}

.card-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-2) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.card-label {
  font-size: 11px;
  color: var(--valley-cold-gray);
}

.card-value {
  font-size: 11px;
  color: var(--valley-white);
  font-family: var(--font-mono);
}

/* Mosaic Effect */
.mosaic {
  position: relative;
  overflow: hidden;
}

.mosaic::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0.6) 0px,
    rgba(0, 0, 0, 0.6) 2px,
    transparent 2px,
    transparent 4px
  ),
  repeating-linear-gradient(
    90deg,
    rgba(0, 0, 0, 0.6) 0px,
    rgba(0, 0, 0, 0.6) 2px,
    transparent 2px,
    transparent 4px
  );
}

.card-qr {
  width: 60px;
  height: 60px;
  background: var(--valley-white);
  border-radius: var(--radius-sm);
}

.qr-grid {
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    0deg,
    #000 0px,
    #000 4px,
    #fff 4px,
    #fff 8px
  ),
  repeating-linear-gradient(
    90deg,
    #000 0px,
    #000 4px,
    #fff 4px,
    #fff 8px
  );
  background-size: 8px 8px;
}

.card-footer {
  text-align: center;
}

.card-warning {
  font-size: 12px;
  color: var(--valley-status-red);
  margin-bottom: var(--spacing-3);
}

.card-instruction {
  font-size: 11px;
  color: var(--valley-titanium);
  line-height: 1.5;
}

.card-close {
  margin-top: var(--spacing-4);
  background: transparent;
  border: 1px solid var(--valley-subtle-border);
  color: var(--valley-white);
  padding: var(--spacing-2) var(--spacing-5);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 12px;
  transition: all var(--transition-normal);
}

.card-close:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* ===================== */
/* Animations            */
/* ===================== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes barPulse {
  0% { height: 20%; opacity: 0.5; }
  100% { height: 100%; opacity: 1; }
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}