@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --bg-dark: #0F1418;
  --surface-card: #151B21;
  --surface-card-light: #1D252E;
  --surface-card-hover: rgba(29, 37, 46, 0.95);
  --surface-ide: #0B0F13;
  --ide-header-bg: #11161C;
  --ide-line-bg: #0D1217;
  --terminal-bg: #05080A;
  --primary-mint: #22E6B0;
  --primary-mint-dark: #04342C;
  --primary-mint-glow: rgba(34, 230, 176, 0.35);
  --secondary-cyan: #00F0FF;
  --glass-border: rgba(34, 230, 176, 0.2);
  --glass-border-subtle: rgba(255, 255, 255, 0.1);
  --glass-surface: rgba(21, 27, 33, 0.85);
  --modal-overlay-bg: rgba(15, 20, 24, 0.85);
  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --text-disabled: #475569;
  --status-success: #22E6B0;
  --status-success-bg: rgba(34, 230, 176, 0.15);
  --status-warning: #F59E0B;
  --status-warning-bg: rgba(245, 158, 11, 0.15);
  --status-error: #EF4444;
  --status-error-bg: rgba(239, 68, 68, 0.15);
  --status-info: #3B82F6;
  --status-info-bg: rgba(59, 130, 246, 0.15);
  --radius-pill: 30px;
  --radius-card: 16px;
  --shadow-main: 0 8px 32px rgba(0, 0, 0, 0.4);
}

[data-theme="light"] {
  --bg-dark: #F3F6F9;
  --surface-card: #FFFFFF;
  --surface-card-light: #F8FAFC;
  --surface-card-hover: #F1F5F9;
  --surface-ide: #1E293B;
  --ide-header-bg: #0F172A;
  --ide-line-bg: #1E293B;
  --terminal-bg: #0F172A;
  --primary-mint: #0D9488;
  --primary-mint-dark: #FFFFFF;
  --primary-mint-glow: rgba(13, 148, 136, 0.22);
  --secondary-cyan: #0284C7;
  --glass-border: rgba(13, 148, 136, 0.25);
  --glass-border-subtle: rgba(0, 0, 0, 0.08);
  --glass-surface: rgba(255, 255, 255, 0.92);
  --modal-overlay-bg: rgba(15, 23, 42, 0.55);
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #64748B;
  --text-disabled: #94A3B8;
  --status-success: #10B981;
  --status-success-bg: rgba(16, 185, 129, 0.12);
  --status-warning: #D97706;
  --status-warning-bg: rgba(217, 119, 6, 0.12);
  --status-error: #DC2626;
  --status-error-bg: rgba(220, 38, 38, 0.12);
  --status-info: #2563EB;
  --status-info-bg: rgba(37, 99, 235, 0.12);
  --shadow-main: 0 8px 30px rgba(0, 0, 0, 0.06);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  transition: background-color 0.25s ease, color 0.25s ease;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(34, 230, 176, 0.05) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(0, 240, 255, 0.05) 0%, transparent 40%);
}

[data-theme="light"] body {
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(13, 148, 136, 0.06) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(2, 132, 199, 0.06) 0%, transparent 40%);
}

/* Header Navbar */
header.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  background: var(--glass-surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.brand-icon {
  background: rgba(34, 230, 176, 0.15);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-mint);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-profile-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  background: var(--surface-card-light);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all 0.2s ease;
}

.user-profile-badge:hover {
  border-color: var(--primary-mint);
  background: rgba(34, 230, 176, 0.1);
}

.avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary-mint);
  color: var(--primary-mint-dark);
  font-weight: 700;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-icon {
  background: transparent;
  border: 1px solid var(--glass-border-subtle);
  color: var(--text-secondary);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.btn-icon:hover {
  border-color: var(--primary-mint);
  color: var(--primary-mint);
  background: rgba(34, 230, 176, 0.1);
}

/* Container Layout */
.app-container {
  max-width: 1000px;
  width: 100%;
  margin: 0 auto;
  padding: 24px 20px 40px;
  flex: 1;
  display: flex;
  flex-direction: column;
  transition: max-width 0.3s ease;
}

/* Mobile Frame Simulator Mode */
body.mobile-mode .app-container {
  max-width: 410px;
  border-left: 1px solid var(--glass-border);
  border-right: 1px solid var(--glass-border);
  box-shadow: 0 0 50px rgba(0, 0, 0, 0.8);
  border-radius: 28px;
  margin-top: 10px;
  margin-bottom: 20px;
  background: var(--bg-dark);
}

/* Glass Card */
.glass-card {
  background: var(--glass-surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  padding: 24px;
  margin-bottom: 20px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.glass-card.glow {
  box-shadow: 0 4px 24px var(--primary-mint-glow);
  border-color: var(--primary-mint);
}

.glass-card.clickable {
  cursor: pointer;
}

.glass-card.clickable:hover {
  transform: translateY(-2px);
  border-color: var(--primary-mint);
  background: var(--surface-card-hover);
}

/* Buttons */
.btn-primary {
  background: var(--primary-mint);
  color: var(--primary-mint-dark);
  border: none;
  border-radius: var(--radius-pill);
  padding: 14px 28px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  box-shadow: 0 4px 20px var(--primary-mint-glow);
  transition: all 0.2s ease;
  width: 100%;
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(34, 230, 176, 0.5);
}

.btn-primary:active:not(:disabled) {
  transform: scale(0.98);
}

.btn-primary:disabled {
  background: #1E293B;
  color: var(--text-disabled);
  box-shadow: none;
  cursor: not-allowed;
}

.btn-secondary {
  background: transparent;
  color: var(--primary-mint);
  border: 1.5px solid var(--primary-mint);
  border-radius: var(--radius-pill);
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.2s ease;
  width: 100%;
}

.btn-secondary:hover {
  background: rgba(34, 230, 176, 0.1);
}

.btn-run {
  background: var(--secondary-cyan);
  color: #042434;
  border: none;
  border-radius: var(--radius-pill);
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
}

.btn-run:hover {
  box-shadow: 0 0 16px rgba(0, 240, 255, 0.5);
}

/* Tab Switcher */
.tab-switcher {
  display: flex;
  background: var(--surface-card-light);
  border: 1px solid var(--glass-border-subtle);
  border-radius: 12px;
  padding: 4px;
  margin-bottom: 20px;
}

.tab-btn {
  flex: 1;
  padding: 10px;
  text-align: center;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 14px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.2s ease;
}

.tab-btn.active {
  background: var(--glass-surface);
  color: var(--primary-mint);
  border: 1px solid var(--glass-border);
  box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

/* Code Editor IDE Component */
.ide-container {
  background: var(--surface-ide);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  overflow: hidden;
  margin-bottom: 20px;
}

.ide-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  background: var(--ide-header-bg);
  border-bottom: 1px solid var(--glass-border-subtle);
}

.ide-lang-select {
  background: var(--surface-card);
  border: 1px solid var(--glass-border-subtle);
  color: var(--primary-mint);
  padding: 6px 12px;
  border-radius: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  outline: none;
  cursor: pointer;
}

.ide-editor-wrapper {
  display: flex;
  position: relative;
  min-height: 220px;
}

.ide-line-numbers {
  padding: 16px 12px;
  background: var(--ide-line-bg);
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  line-height: 1.6;
  user-select: none;
  text-align: right;
  border-right: 1px solid var(--glass-border-subtle);
}

textarea.code-editor {
  flex: 1;
  background: transparent;
  border: none;
  padding: 16px;
  color: #E2E8F0;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13.5px;
  line-height: 1.6;
  resize: vertical;
  outline: none;
  white-space: pre;
  tab-size: 2;
}

/* Terminal Console Output */
.terminal-window {
  background: var(--terminal-bg);
  border-top: 1px solid var(--glass-border-subtle);
  padding: 14px 18px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px;
  color: var(--secondary-cyan);
  min-height: 80px;
  max-height: 160px;
  overflow-y: auto;
}

.terminal-header {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

/* Status Pills */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.2px;
}

.status-pill.success {
  background: var(--status-success-bg);
  color: var(--status-success);
  border: 1px solid rgba(34, 230, 176, 0.3);
}

.status-pill.warning {
  background: var(--status-warning-bg);
  color: var(--status-warning);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.status-pill.info {
  background: var(--status-info-bg);
  color: var(--status-info);
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.status-pill.error {
  background: var(--status-error-bg);
  color: var(--status-error);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Role Selection Grid */
.roles-grid {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 20px;
}

.role-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px;
  border-radius: var(--radius-card);
  background: var(--glass-surface);
  border: 1px solid var(--glass-border);
  cursor: pointer;
  transition: all 0.2s ease;
}

.role-card.selected {
  border-color: var(--primary-mint);
  background: rgba(34, 230, 176, 0.08);
  box-shadow: 0 4px 20px var(--primary-mint-glow);
}

.role-icon-box {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--surface-card-light);
  border: 1px solid var(--glass-border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--text-secondary);
}

.role-card.selected .role-icon-box {
  background: rgba(34, 230, 176, 0.2);
  border-color: var(--primary-mint);
  color: var(--primary-mint);
}

.role-info {
  flex: 1;
}

.role-title-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 4px;
}

.role-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.role-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.4;
  margin-bottom: 8px;
}

.tags-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  background: var(--surface-card);
  border: 1px solid var(--glass-border-subtle);
  border-radius: 6px;
  padding: 2px 8px;
  font-size: 11px;
  color: var(--text-secondary);
}

.tag.skill-active {
  background: rgba(34, 230, 176, 0.15);
  border-color: var(--primary-mint);
  color: var(--primary-mint);
}

/* Radio circle */
.radio-circle {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid var(--text-disabled);
  display: flex;
  align-items: center;
  justify-content: center;
}

.role-card.selected .radio-circle {
  border-color: var(--primary-mint);
}

.role-card.selected .radio-circle::after {
  content: '';
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--primary-mint);
}

/* Form Controls */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  display: block;
  margin-bottom: 6px;
}

.form-input, .form-select {
  width: 100%;
  background: var(--surface-card-light);
  border: 1px solid var(--glass-border-subtle);
  padding: 12px;
  border-radius: 10px;
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
}

.form-input:focus, .form-select:focus {
  border-color: var(--primary-mint);
}

/* Answer Input & Voice */
textarea.answer-input {
  width: 100%;
  min-height: 140px;
  background: var(--surface-card);
  border: 1px solid var(--glass-border-subtle);
  border-radius: 14px;
  padding: 16px;
  color: var(--text-primary);
  font-size: 15px;
  line-height: 1.5;
  resize: vertical;
  outline: none;
  margin-bottom: 20px;
  transition: border-color 0.2s ease;
}

textarea.answer-input:focus {
  border-color: var(--primary-mint);
}

.voice-btn {
  background: var(--surface-card-light);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  border-radius: var(--radius-pill);
  padding: 8px 16px;
  font-size: 13px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
}

.voice-btn.listening {
  background: rgba(34, 230, 176, 0.2);
  border-color: var(--primary-mint);
  color: var(--primary-mint);
  animation: pulse-glow 1.2s infinite ease-in-out;
}

@keyframes pulse-glow {
  0% { box-shadow: 0 0 0 0 rgba(34, 230, 176, 0.4); }
  70% { box-shadow: 0 0 0 12px rgba(34, 230, 176, 0); }
  100% { box-shadow: 0 0 0 0 rgba(34, 230, 176, 0); }
}

/* Modal Overlay */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: var(--modal-overlay-bg);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--surface-card);
  border: 1px solid var(--primary-mint);
  border-radius: var(--radius-card);
  max-width: 580px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 28px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6);
  position: relative;
}

/* Score Circle */
.score-circle {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  border: 4px solid var(--primary-mint);
  box-shadow: 0 0 24px var(--primary-mint-glow);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--surface-card-light);
}

.score-num {
  font-size: 32px;
  font-weight: 700;
  color: var(--primary-mint);
  line-height: 1;
}

.score-label {
  font-size: 9px;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
  margin-top: 4px;
}

/* Spinner Loader */
.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  border-top-color: var(--primary-mint);
  animation: spin 0.8s linear infinite;
  display: inline-block;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.hidden {
  display: none !important;
}