/* KMtube Shared Components - Crisp White Theme (VidMate Style) */

/* Container */
.km-container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 var(--km-space-lg);
  width: 100%;
}

/* Header / Navbar (White Theme) */
.km-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--km-border);
  height: 68px;
  display: flex;
  align-items: center;
}

.km-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.km-brand {
  display: flex;
  align-items: center;
  gap: var(--km-space-sm);
}

.km-brand img {
  height: 34px;
  width: auto;
}

.km-brand-text {
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: #111827;
  display: flex;
  align-items: center;
}

.km-brand-text span {
  color: var(--km-red);
}

.km-nav-links {
  display: flex;
  align-items: center;
  gap: var(--km-space-xl);
}

.km-nav-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--km-text-secondary);
  transition: color var(--km-transition-fast);
}

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

/* Buttons - Sleek 8px Radius (Zero Glows) */
.km-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--km-space-sm);
  font-family: inherit;
  font-weight: 600;
  border-radius: var(--km-radius-btn);
  cursor: pointer;
  transition: background var(--km-transition-fast), transform var(--km-transition-fast);
  border: none;
  text-decoration: none;
  touch-action: manipulation;
}

.km-btn-primary {
  background: var(--km-red);
  color: #FFFFFF;
}

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

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

.km-btn-secondary {
  background: var(--km-bg-card);
  color: var(--km-text-primary);
  border: 1px solid var(--km-border);
}

.km-btn-secondary:hover {
  background: var(--km-bg-card-hover);
}

.km-btn-lg {
  padding: 14px 28px;
  font-size: 16px;
  min-height: 48px;
}

.km-btn-md {
  padding: 8px 18px;
  font-size: 14px;
  min-height: 38px;
}

/* Badges */
.km-badge-verified {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--km-verified-green);
  font-size: 14px;
  font-weight: 600;
}

.km-badge-version {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--km-bg-surface);
  border: 1px solid var(--km-border);
  padding: 4px 10px;
  border-radius: var(--km-radius-sm);
  font-size: 12px;
  color: var(--km-text-secondary);
}

/* Phone Mockup Component (Real Smartphone Bezel) */
.km-phone-frame {
  width: 100%;
  max-width: 280px;
  height: 540px;
  background: #000000;
  border-radius: 36px;
  border: 8px solid #1F2937;
  box-shadow: var(--km-shadow-md);
  position: relative;
  overflow: hidden;
  margin: 0 auto;
}

.km-phone-notch {
  width: 90px;
  height: 16px;
  background: #111827;
  border-radius: 0 0 8px 8px;
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
}

.km-phone-screen {
  width: 100%;
  height: 100%;
  padding-top: 22px;
  display: flex;
  flex-direction: column;
  background: #0B0B0E;
}

.km-screen-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.km-screen-logo {
  height: 18px;
}

.km-screen-avatar {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--km-red);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.km-screen-feed {
  flex: 1;
  padding: 8px;
  overflow-y: hidden;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.km-mini-video-card {
  background: #181820;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.km-mini-thumb {
  height: 110px;
  background: #14141B;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.km-mini-play {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--km-red);
  display: flex;
  align-items: center;
  justify-content: center;
}

.km-mini-duration {
  position: absolute;
  bottom: 4px;
  right: 4px;
  background: rgba(0, 0, 0, 0.85);
  font-size: 9px;
  font-weight: 600;
  color: #fff;
  padding: 1px 4px;
  border-radius: 2px;
}

.km-mini-info {
  padding: 6px 8px;
}

.km-mini-title {
  font-size: 10px;
  font-weight: 600;
  color: #FFFFFF;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.km-mini-meta {
  font-size: 8px;
  color: #9E9EB2;
  margin-top: 1px;
}

/* Feature Grid - Clean on White */
.km-feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--km-space-xl);
  margin: var(--km-space-2xl) 0;
}

.km-feature-card {
  border-top: 2px solid var(--km-border);
  padding: var(--km-space-lg) 0;
  transition: border-color var(--km-transition-fast);
}

.km-feature-card:hover {
  border-top-color: var(--km-red);
}

.km-feature-icon {
  width: 36px;
  height: 36px;
  color: var(--km-red);
  display: flex;
  align-items: center;
  margin-bottom: var(--km-space-sm);
}

.km-feature-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--km-text-primary);
  margin-bottom: var(--km-space-xs);
}

.km-feature-desc {
  font-size: 14px;
  color: var(--km-text-secondary);
  line-height: 1.6;
}

/* Footer (Light Neutral) */
.km-footer {
  margin-top: auto;
  border-top: 1px solid var(--km-border);
  background: var(--km-bg-surface);
  padding: var(--km-space-xl) 0;
  color: var(--km-text-muted);
  font-size: 14px;
}

.km-footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--km-space-md);
}

.km-footer-links {
  display: flex;
  gap: var(--km-space-lg);
}

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

/* ==================== MOBILE OPTIMIZATIONS ==================== */
@media (max-width: 768px) {
  .km-container {
    padding: 0 var(--km-space-md);
  }

  .km-header {
    height: 60px;
  }

  .km-brand img {
    height: 28px;
  }

  .km-brand-text {
    font-size: 19px;
  }

  .km-nav-links {
    display: none;
  }

  .km-btn-md {
    padding: 6px 14px;
    font-size: 13px;
    min-height: 34px;
  }

  .km-feature-grid {
    grid-template-columns: 1fr;
    gap: var(--km-space-md);
    margin: var(--km-space-xl) 0;
  }

  .km-footer-inner {
    flex-direction: column;
    text-align: center;
    gap: var(--km-space-md);
  }

  .km-footer-links {
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--km-space-md);
  }
}