/* assets/style.css - Flat minimal stylesheet for tlz support */

:root {
  --bg-main: #0f1115;
  --bg-card: #161a22;
  --bg-input: #0b0d12;
  --border-color: #262c38;
  --border-focus: #3b82f6;

  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;

  --accent-primary: #2563eb;
  --accent-primary-hover: #1d4ed8;
  --accent-success: #16a34a;
  --accent-success-hover: #15803d;
  --accent-warning: #d97706;
  --accent-danger: #dc2626;

  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 10px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header & Nav */
.header {
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-card);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-primary);
  text-decoration: none;
  text-transform: lowercase;
}

.logo-badge {
  background: var(--border-color);
  color: var(--text-primary);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 16px;
  list-style: none;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-cta {
  background: var(--accent-primary);
  color: #fff;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
}

.nav-cta:hover {
  background: var(--accent-primary-hover);
}

/* Layout container */
.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 32px 20px 48px;
  flex: 1;
  width: 100%;
}

.hero {
  text-align: left;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
}

.hero h1 {
  font-size: 1.85rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.hero p {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 760px;
}

/* Sections */
.section {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 32px;
}

.section-header {
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 700;
}

.section-title-icon {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--border-color);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-weight: 700;
}

.grid-2col {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 24px;
  align-items: start;
}

/* Video Player Wrapper */
.video-box {
  background: #000;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.video-box video {
  width: 100%;
  height: auto;
  display: block;
  max-height: 480px;
  background: #000;
}

/* Guide Content */
.guide-content {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.lead-text {
  font-size: 0.98rem;
  color: var(--text-primary);
  line-height: 1.6;
}

/* Callouts */
.callout {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--accent-primary);
  background: #11141c;
  font-size: 0.92rem;
}

.callout-warning {
  border-left-color: var(--accent-warning);
}

.callout-success {
  border-left-color: var(--accent-success);
}

.callout-title {
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--text-primary);
}

/* Action Button */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent-primary);
  color: #fff;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-primary:hover {
  background: var(--accent-primary-hover);
}

.btn-success {
  background: var(--accent-success);
}

.btn-success:hover {
  background: var(--accent-success-hover);
}

.btn-secondary {
  background: var(--bg-input);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-secondary:hover {
  color: var(--text-primary);
  border-color: var(--text-secondary);
}

/* Step list */
.step-list {
  list-style: none;
  counter-reset: step-counter;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.step-item {
  position: relative;
  padding-left: 32px;
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.step-item strong {
  color: var(--text-primary);
}

.step-item::before {
  content: counter(step-counter);
  counter-increment: step-counter;
  position: absolute;
  left: 0;
  top: 2px;
  width: 22px;
  height: 22px;
  border-radius: var(--radius-sm);
  background: var(--border-color);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
}

/* Device cards */
.device-tabs {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.device-card {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
}

.device-card-header {
  font-weight: 600;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.95rem;
  color: var(--text-primary);
}

/* 2FA Generator Tool Specific Styles */
.tool-container {
  max-width: 580px;
  margin: 10px auto;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 28px;
}

.tool-header {
  text-align: left;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
}

.tool-header h1 {
  font-size: 1.5rem;
  margin-bottom: 6px;
  font-weight: 700;
}

.tool-header p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.88rem;
  margin-bottom: 6px;
  color: var(--text-secondary);
}

.input-text {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 12px 14px;
  font-size: 0.95rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  outline: none;
}

.input-text:focus {
  border-color: var(--border-focus);
}

.input-text::placeholder {
  color: var(--text-muted);
}

.tool-actions {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}

/* Code Result Card */
.code-card {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 20px;
  text-align: center;
  margin-bottom: 18px;
}

.code-display {
  font-size: 2.8rem;
  font-weight: 700;
  letter-spacing: 5px;
  color: #fff;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  margin: 8px 0;
  user-select: all;
  min-height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.code-placeholder {
  color: var(--text-muted);
  font-size: 1.5rem;
  letter-spacing: 3px;
}

/* Progress bar */
.timer-bar-wrapper {
  background: #262c38;
  height: 4px;
  border-radius: 2px;
  overflow: hidden;
  margin: 14px 0 8px;
}

.timer-bar {
  background: var(--accent-primary);
  height: 100%;
  width: 100%;
  transition: width 1s linear;
}

.timer-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* Copy button & Toast feedback */
.copy-btn {
  width: 100%;
  padding: 11px;
  font-size: 0.95rem;
}

.toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #1f2937;
  color: #fff;
  border: 1px solid #374151;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  opacity: 0;
  transform: translateY(6px);
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  z-index: 100;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.error-text {
  color: var(--accent-danger);
  font-size: 0.85rem;
  margin-top: 6px;
  display: none;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border-color);
  padding: 20px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer a {
  color: var(--text-secondary);
  text-decoration: none;
}

.footer a:hover {
  color: var(--text-primary);
}

/* Responsive */
@media (max-width: 860px) {
  .grid-2col {
    grid-template-columns: 1fr;
  }
  
  .section {
    padding: 18px 16px;
  }
  
  .hero h1 {
    font-size: 1.5rem;
  }
  
  .code-display {
    font-size: 2.2rem;
    letter-spacing: 3px;
  }
}