:root {
  --bg-app: #090B0F;
  --bg-card: rgba(17, 22, 33, 0.75);
  --border-card: rgba(255, 255, 255, 0.08);
  
  --color-primary: #3B82F6;
  --color-success: #10B981;
  --color-danger: #EF4444;
  --color-warning: #F59E0B;
  
  --text-main: #E2E8F0;
  --text-muted: #94A3B8;
  --text-dark: #64748B;
  
  --font-title: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'Fira Code', monospace;
}

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

body {
  width: 480px;
  max-height: 600px;
  background-color: var(--bg-app);
  color: var(--text-main);
  font-family: var(--font-body);
  overflow-y: auto;
  overflow-x: hidden;
}

@media (min-width: 768px) {
  body {
    width: 100%;
    max-height: none;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: radial-gradient(circle at center, #0F172A 0%, #090B0F 100%);
    padding: 40px 20px;
    overflow-y: auto;
  }
  
  .app-container {
    width: 520px;
    background: rgba(17, 22, 33, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 100px rgba(59, 130, 246, 0.05);
    backdrop-filter: blur(20px);
  }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.02);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.2);
}

.app-container {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Header */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 12px;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  font-size: 24px;
  filter: drop-shadow(0 0 8px rgba(59, 130, 246, 0.5));
}

.logo-text h1 {
  font-family: var(--font-title);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 1px;
  color: #FFF;
}

.logo-text p {
  font-size: 10px;
  color: var(--text-muted);
}

.kernel-version {
  font-size: 10px;
  background: rgba(59, 130, 246, 0.15);
  color: #60A5FA;
  padding: 3px 8px;
  border-radius: 12px;
  border: 1px solid rgba(59, 130, 246, 0.25);
  font-family: var(--font-mono);
}

/* Common Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 12px;
  padding: 16px;
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card h3 {
  font-family: var(--font-title);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* Presets */
.preset-section label {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
}

#preset-select {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  color: var(--text-main);
  padding: 10px;
  font-size: 12px;
  outline: none;
  cursor: pointer;
  transition: border 0.2s;
}

#preset-select:focus {
  border-color: var(--color-primary);
}

/* Prompt Box */
.prompt-box-wrapper {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

#prompt-input {
  width: 100%;
  height: 80px;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  color: var(--text-main);
  padding: 12px;
  font-size: 12px;
  resize: none;
  outline: none;
  transition: all 0.3s;
}

#prompt-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 10px rgba(59, 130, 246, 0.15);
}

.glowing-btn {
  background: linear-gradient(135deg, #2563EB, #1D4ED8);
  color: white;
  border: none;
  border-radius: 8px;
  padding: 12px;
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 0 15px rgba(37, 99, 235, 0.4);
}

.glowing-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 25px rgba(37, 99, 235, 0.6);
}

.glowing-btn:active {
  transform: translateY(1px);
}

/* Timeline/Tracker */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-left: 10px;
}

.timeline-step {
  display: flex;
  align-items: center;
  gap: 12px;
  position: relative;
  opacity: 0.4;
  transition: opacity 0.3s;
}

.timeline-step::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 14px;
  width: 2px;
  height: 20px;
  background: rgba(255, 255, 255, 0.08);
}

.timeline-step:last-child::before {
  display: none;
}

.step-indicator {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid rgba(255, 255, 255, 0.2);
  transition: all 0.3s;
}

.step-label {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
}

/* Active timeline states */
.timeline-step.active {
  opacity: 1;
}

.timeline-step.active .step-indicator {
  background: var(--color-primary);
  border-color: #60A5FA;
  box-shadow: 0 0 8px rgba(59, 130, 246, 0.8);
}

.timeline-step.success {
  opacity: 1;
}

.timeline-step.success .step-indicator {
  background: var(--color-success);
  border-color: #34D399;
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.8);
}

.timeline-step.failed {
  opacity: 1;
}

.timeline-step.failed .step-indicator {
  background: var(--color-danger);
  border-color: #F87171;
  box-shadow: 0 0 8px rgba(239, 68, 68, 0.8);
}

/* Verdict Card */
.verdict-card {
  display: flex;
  align-items: center;
  gap: 16px;
  border-left: 4px solid var(--color-success);
}

.verdict-ring-container {
  display: flex;
  align-items: center;
  justify-content: center;
}

.verdict-ring {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  border: 4px solid rgba(16, 185, 129, 0.15);
  border-top-color: var(--color-success);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-title);
  font-size: 11px;
  font-weight: 700;
  color: var(--color-success);
  animation: spin 1s linear infinite;
}

.verdict-ring span {
  animation: unspin 1s linear infinite;
}

.verdict-summary h2 {
  font-family: var(--font-title);
  font-size: 16px;
  font-weight: 700;
  color: #FFF;
}

.verdict-summary p {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Verdict state overrides */
.verdict-card.blocked {
  border-left-color: var(--color-danger);
}
.verdict-card.blocked .verdict-ring {
  border-color: rgba(239, 68, 68, 0.15);
  border-top-color: var(--color-danger);
  color: var(--color-danger);
}
.verdict-card.escalated {
  border-left-color: var(--color-warning);
}
.verdict-card.escalated .verdict-ring {
  border-color: rgba(245, 158, 11, 0.15);
  border-top-color: var(--color-warning);
  color: var(--color-warning);
}

/* Accordion Proof Trace */
.accordion-header {
  width: 100%;
  background: none;
  border: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-main);
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 12px;
  cursor: pointer;
  outline: none;
}

.accordion-arrow {
  font-size: 10px;
  color: var(--text-muted);
  transition: transform 0.3s;
}

.accordion-header.active .accordion-arrow {
  transform: rotate(180deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.accordion-header.active + .accordion-content {
  margin-top: 14px;
}

.proof-block h4 {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.code-block {
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 6px;
  padding: 8px;
  font-family: var(--font-mono);
  font-size: 9px;
  color: #38BDF8;
  overflow-x: auto;
  white-space: pre-wrap;
  max-height: 120px;
}

/* Rules list */
.rules-grid {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.rule-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(255, 255, 255, 0.02);
  padding: 6px 10px;
  border-radius: 6px;
  border-left: 3px solid var(--color-success);
}

.rule-row.fail {
  border-left-color: var(--color-danger);
}

.rule-row.escalate {
  border-left-color: var(--color-warning);
}

.rule-name-wrapper h5 {
  font-size: 10px;
  font-weight: 600;
  color: #FFF;
}

.rule-name-wrapper p {
  font-size: 9px;
  color: var(--text-muted);
}

.rule-badge {
  font-size: 9px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
}

.rule-badge.pass {
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-success);
}

.rule-badge.fail {
  background: rgba(239, 68, 68, 0.1);
  color: var(--color-danger);
}

.rule-badge.escalate {
  background: rgba(245, 158, 11, 0.1);
  color: var(--color-warning);
}

/* Ledger Details */
.ledger-fields {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: rgba(255, 255, 255, 0.01);
  padding: 10px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.03);
}

.field-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 10px;
}

.field-label {
  color: var(--text-muted);
}

.field-value.mono {
  font-family: var(--font-mono);
  color: #38BDF8;
}

.field-value.truncate {
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.status-pill {
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 9px;
}

.status-pill.secure {
  background: rgba(16, 185, 129, 0.15);
  color: var(--color-success);
}

.status-pill.tampered {
  background: rgba(239, 68, 68, 0.2);
  color: var(--color-danger);
  animation: pulse 1s infinite;
}

/* Sandbox card */
.sandbox-card {
  border-top: 2px solid var(--color-danger);
}

.sandbox-header h3 {
  color: #F87171;
}

.sandbox-header p {
  font-size: 10px;
  color: var(--text-muted);
  line-height: 1.4;
}

.sandbox-actions {
  display: flex;
  gap: 10px;
  margin-top: 14px;
}

.danger-btn {
  flex: 2;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid var(--color-danger);
  color: var(--color-danger);
  font-family: var(--font-title);
  font-weight: 600;
  padding: 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 11px;
  transition: all 0.2s;
}

.danger-btn:hover:not(:disabled) {
  background: var(--color-danger);
  color: white;
  box-shadow: 0 0 15px rgba(239, 68, 68, 0.4);
}

.danger-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.secondary-btn {
  flex: 1;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-main);
  font-family: var(--font-title);
  font-weight: 600;
  padding: 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 11px;
  transition: all 0.2s;
}

.secondary-btn:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* Helper utilities */
.hidden {
  display: none !important;
}

/* Keyframe Animations */
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes unspin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(-360deg); }
}

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