/* ==========================================================================
   mobile-device-frames — Device frames, navigation, safe areas, animations
   v1.0.0 | MIT License | github.com/phucsystem/mobile-device-frames
   ========================================================================== */

/* --- Reset (scoped to frame elements) --- */
.df-stage, .df-stage *, .df-nav, .df-nav * {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* --- Stage: centering wrapper --- */
.df-stage {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 24px;
  background: #E8ECF0;
  transition: background-color 0.3s ease;
}

/* --- Frame: device shell --- */
.df-frame {
  position: relative;
  overflow: hidden;
  background: #FFFFFF;
  box-shadow:
    0 0 0 1px rgba(0,0,0,0.04),
    0 20px 60px rgba(0,0,0,0.15),
    0 8px 20px rgba(0,0,0,0.08);
  flex-shrink: 0;
}

/* --- Screen: inner content area --- */
.df-screen {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  overflow: hidden;
  position: relative;
}

/* --- Safe zone padding: push content below notch and above home indicator --- */
.df-frame[data-device="iphone-16-pro-max"] > .df-screen { padding-top: 59px; padding-bottom: 34px; }
.df-frame[data-device="iphone-16-pro"]     > .df-screen { padding-top: 59px; padding-bottom: 34px; }
.df-frame[data-device="iphone-16"]         > .df-screen { padding-top: 50px; padding-bottom: 34px; }
.df-frame[data-device="iphone-se"]         > .df-screen { padding-top: 20px; padding-bottom: 0; }
.df-frame[data-device="galaxy-s24-ultra"]  > .df-screen { padding-top: 36px; padding-bottom: 34px; }
.df-frame[data-device="galaxy-s24"]        > .df-screen { padding-top: 36px; padding-bottom: 34px; }
.df-frame[data-device="pixel-9-pro"]       > .df-screen { padding-top: 36px; padding-bottom: 34px; }
.df-frame[data-device="pixel-9"]           > .df-screen { padding-top: 36px; padding-bottom: 34px; }

/* --- Iframe: embedded URL content --- */
.df-iframe {
  width: 100%;
  height: 100%;
  border: none;
  background: #fff;
}

.df-iframe-loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #F5F5F5;
  z-index: 10;
  transition: opacity 0.3s ease;
}

.df-iframe-loading.hidden {
  opacity: 0;
  pointer-events: none;
}

.df-iframe-spinner {
  width: 32px;
  height: 32px;
  border: 3px solid #E0E0E0;
  border-top-color: #1976D2;
  border-radius: 50%;
  animation: df-spin 0.8s linear infinite;
}

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

.df-iframe-error {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: #F5F5F5;
  z-index: 10;
  padding: 24px;
  text-align: center;
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Roboto', sans-serif;
}

.df-iframe-error-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #FFEBEE;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  color: #D32F2F;
  font-size: 24px;
  font-weight: 700;
}

.df-iframe-error-text {
  font-size: 13px;
  color: #757575;
  line-height: 1.5;
  max-width: 280px;
}

.df-iframe-error-url {
  font-size: 11px;
  color: #9E9E9E;
  margin-top: 8px;
  word-break: break-all;
  max-width: 280px;
}

/* --- Device dimensions (portrait) --- */
.df-frame[data-device="iphone-16-pro-max"] { width: 430px; height: 932px; border-radius: 55px; }
.df-frame[data-device="iphone-16-pro"]     { width: 393px; height: 852px; border-radius: 55px; }
.df-frame[data-device="iphone-16"]         { width: 390px; height: 844px; border-radius: 47px; }
.df-frame[data-device="iphone-se"]         { width: 375px; height: 667px; border-radius: 0; }
.df-frame[data-device="galaxy-s24-ultra"]  { width: 412px; height: 915px; border-radius: 48px; }
.df-frame[data-device="galaxy-s24"]        { width: 360px; height: 780px; border-radius: 42px; }
.df-frame[data-device="pixel-9-pro"]       { width: 412px; height: 892px; border-radius: 44px; }
.df-frame[data-device="pixel-9"]           { width: 393px; height: 851px; border-radius: 42px; }

/* --- Device dimensions (landscape) — swap width/height --- */
.df-frame[data-orientation="landscape"][data-device="iphone-16-pro-max"] { width: 932px; height: 430px; }
.df-frame[data-orientation="landscape"][data-device="iphone-16-pro"]     { width: 852px; height: 393px; }
.df-frame[data-orientation="landscape"][data-device="iphone-16"]         { width: 844px; height: 390px; }
.df-frame[data-orientation="landscape"][data-device="iphone-se"]         { width: 667px; height: 375px; }
.df-frame[data-orientation="landscape"][data-device="galaxy-s24-ultra"]  { width: 915px; height: 412px; }
.df-frame[data-orientation="landscape"][data-device="galaxy-s24"]        { width: 780px; height: 360px; }
.df-frame[data-orientation="landscape"][data-device="pixel-9-pro"]       { width: 892px; height: 412px; }
.df-frame[data-orientation="landscape"][data-device="pixel-9"]           { width: 851px; height: 393px; }

/* --- Orientation transition --- */
.df-frame {
  transition: width 0.4s cubic-bezier(0.32, 0.72, 0, 1),
              height 0.4s cubic-bezier(0.32, 0.72, 0, 1),
              background-color 0.3s ease;
}

/* --- Notch: Dynamic Island (iPhone 16 Pro/Max) — portrait --- */
.df-notch--dynamic-island {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 126px;
  height: 37px;
  background: #000;
  border-radius: 24px;
  z-index: 50;
  pointer-events: none;
  transition: all 0.4s cubic-bezier(0.32, 0.72, 0, 1);
}

/* --- Notch: Classic (iPhone 16/15/14) — portrait --- */
.df-notch--notch {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 160px;
  height: 34px;
  background: #000;
  border-radius: 0 0 24px 24px;
  z-index: 50;
  pointer-events: none;
  transition: all 0.4s cubic-bezier(0.32, 0.72, 0, 1);
}

/* --- Notch: Punch Hole (Galaxy/Pixel) — portrait --- */
.df-notch--punch-hole {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 12px;
  height: 12px;
  background: #000;
  border-radius: 50%;
  z-index: 50;
  pointer-events: none;
  transition: all 0.4s cubic-bezier(0.32, 0.72, 0, 1);
}

/* --- Home indicator bar — portrait --- */
.df-home-indicator {
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 134px;
  height: 5px;
  background: rgba(0,0,0,0.2);
  border-radius: 3px;
  z-index: 50;
  pointer-events: none;
  transition: all 0.4s cubic-bezier(0.32, 0.72, 0, 1);
}

/* --- Device button overlays (power/volume) — portrait --- */
.df-btn-power {
  position: absolute;
  right: -3px;
  top: 180px;
  width: 3px;
  height: 64px;
  background: #b0b0b0;
  border-radius: 0 2px 2px 0;
  pointer-events: none;
  transition: all 0.4s cubic-bezier(0.32, 0.72, 0, 1);
}

.df-btn-volume-up {
  position: absolute;
  left: -3px;
  top: 160px;
  width: 3px;
  height: 36px;
  background: #b0b0b0;
  border-radius: 2px 0 0 2px;
  pointer-events: none;
  transition: all 0.4s cubic-bezier(0.32, 0.72, 0, 1);
}

.df-btn-volume-down {
  position: absolute;
  left: -3px;
  top: 210px;
  width: 3px;
  height: 36px;
  background: #b0b0b0;
  border-radius: 2px 0 0 2px;
  pointer-events: none;
  transition: all 0.4s cubic-bezier(0.32, 0.72, 0, 1);
}

/* ==========================================================================
   Landscape Orientation — Notch, Home Indicator, Buttons
   ========================================================================== */

/* Dynamic Island → left side in landscape */
.df-frame[data-orientation="landscape"] .df-notch--dynamic-island {
  top: 50%;
  left: 12px;
  transform: translateY(-50%) rotate(90deg);
}

/* Classic Notch → left side in landscape */
.df-frame[data-orientation="landscape"] .df-notch--notch {
  top: 50%;
  left: 0;
  transform: translateY(-50%) rotate(90deg);
}

/* Punch Hole → left side in landscape */
.df-frame[data-orientation="landscape"] .df-notch--punch-hole {
  top: 50%;
  left: 10px;
  transform: translateY(-50%);
}

/* Home indicator → right side, vertical in landscape */
.df-frame[data-orientation="landscape"] .df-home-indicator {
  bottom: auto;
  left: auto;
  right: 8px;
  top: 50%;
  transform: translateY(-50%) rotate(90deg);
}

/* Power button → top in landscape */
.df-frame[data-orientation="landscape"] .df-btn-power {
  right: auto;
  top: -3px;
  left: 180px;
  width: 64px;
  height: 3px;
  border-radius: 2px 2px 0 0;
}

/* Volume up → bottom-left in landscape */
.df-frame[data-orientation="landscape"] .df-btn-volume-up {
  left: auto;
  top: auto;
  bottom: -3px;
  right: 210px;
  width: 36px;
  height: 3px;
  border-radius: 0 0 2px 2px;
}

/* Volume down → bottom-right in landscape */
.df-frame[data-orientation="landscape"] .df-btn-volume-down {
  left: auto;
  top: auto;
  bottom: -3px;
  right: 160px;
  width: 36px;
  height: 3px;
  border-radius: 0 0 2px 2px;
}

/* --- Safe zone padding: landscape --- */
.df-frame[data-orientation="landscape"][data-device="iphone-16-pro-max"] > .df-screen { padding: 0 34px 0 59px; }
.df-frame[data-orientation="landscape"][data-device="iphone-16-pro"]     > .df-screen { padding: 0 34px 0 59px; }
.df-frame[data-orientation="landscape"][data-device="iphone-16"]         > .df-screen { padding: 0 34px 0 50px; }
.df-frame[data-orientation="landscape"][data-device="iphone-se"]         > .df-screen { padding: 0 0 0 20px; }
.df-frame[data-orientation="landscape"][data-device="galaxy-s24-ultra"]  > .df-screen { padding: 0 34px 0 36px; }
.df-frame[data-orientation="landscape"][data-device="galaxy-s24"]        > .df-screen { padding: 0 34px 0 36px; }
.df-frame[data-orientation="landscape"][data-device="pixel-9-pro"]       > .df-screen { padding: 0 34px 0 36px; }
.df-frame[data-orientation="landscape"][data-device="pixel-9"]           > .df-screen { padding: 0 34px 0 36px; }

/* ==========================================================================
   Navigation — Desktop Sidebar
   ========================================================================== */

.df-nav {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 180px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px 8px;
  background: rgba(24, 24, 27, 0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 9999;
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Roboto', sans-serif;
  box-shadow: 2px 0 8px rgba(0,0,0,0.15);
  overflow-y: auto;
  overflow-x: hidden;
  transition: transform 0.25s ease;
}

.df-nav-title {
  font-size: 10px;
  font-weight: 700;
  color: rgba(255,255,255,0.35);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 8px 10px 4px;
}

.df-nav-label {
  font-size: 10px;
  font-weight: 600;
  color: rgba(255,255,255,0.35);
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 12px 10px 4px;
  border-top: 1px solid rgba(255,255,255,0.06);
  margin-top: 4px;
}

.df-nav-label:first-of-type {
  border-top: none;
  margin-top: 0;
}

.df-nav a {
  font-size: 12px;
  font-weight: 500;
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  padding: 7px 10px;
  border-radius: 6px;
  transition: all 0.15s ease;
  white-space: nowrap;
  display: block;
}

.df-nav a:hover {
  color: #fff;
  background: rgba(255,255,255,0.1);
}

.df-nav a.active {
  color: #fff;
  background: #1976D2;
}

/* Body offset when nav present */
body.df-has-nav {
  padding-left: 180px !important;
}

/* --- Sidebar toggle (tablet) --- */
.df-nav-toggle {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 10000;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: none;
  background: rgba(24, 24, 27, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: rgba(255,255,255,0.8);
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
  transition: background 0.15s ease;
}

.df-nav-toggle:hover {
  background: rgba(24, 24, 27, 1);
  color: #fff;
}

/* ==========================================================================
   Navigation — Mobile FAB + Bottom Sheet
   ========================================================================== */

.df-nav-fab {
  display: none;
}

/* ==========================================================================
   Safe Area Utilities
   ========================================================================== */

.pt-safe { padding-top: env(safe-area-inset-top); }
.pb-safe { padding-bottom: env(safe-area-inset-bottom); }
.pl-safe { padding-left: env(safe-area-inset-left); }
.pr-safe { padding-right: env(safe-area-inset-right); }
.mt-safe { margin-top: env(safe-area-inset-top); }
.mb-safe { margin-bottom: env(safe-area-inset-bottom); }

/* ==========================================================================
   Animations
   ========================================================================== */

@keyframes df-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes df-fade-in-up {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes df-scale-in {
  from { opacity: 0; transform: scale(0.92); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes df-slide-up {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

/* ==========================================================================
   Device Color Skins
   ========================================================================== */

.df-frame[data-skin="space-black"] { background: #1a1a1a; }
.df-frame[data-skin="space-black"] .df-btn-power,
.df-frame[data-skin="space-black"] .df-btn-volume-up,
.df-frame[data-skin="space-black"] .df-btn-volume-down { background: #333; }
.df-frame[data-skin="space-black"] .df-home-indicator { background: rgba(255,255,255,0.25); }
.df-frame[data-skin="space-black"] .df-status-bar { color: #fff; }

.df-frame[data-skin="silver"] { background: #E8E8E8; }
.df-frame[data-skin="silver"] .df-btn-power,
.df-frame[data-skin="silver"] .df-btn-volume-up,
.df-frame[data-skin="silver"] .df-btn-volume-down { background: #c0c0c0; }
.df-frame[data-skin="silver"] .df-home-indicator { background: rgba(0,0,0,0.15); }

.df-frame[data-skin="gold"] { background: #F9E5C7; }
.df-frame[data-skin="gold"] .df-btn-power,
.df-frame[data-skin="gold"] .df-btn-volume-up,
.df-frame[data-skin="gold"] .df-btn-volume-down { background: #d4a76a; }
.df-frame[data-skin="gold"] .df-home-indicator { background: rgba(139,90,43,0.25); }

/* ==========================================================================
   Dark Mode
   ========================================================================== */

.df-stage[data-theme="dark"] { background: #1a1a2e; }
.df-stage[data-theme="dark"] .df-frame {
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.06),
    0 20px 60px rgba(0,0,0,0.4),
    0 8px 20px rgba(0,0,0,0.25);
}

/* ==========================================================================
   Status Bar
   ========================================================================== */

.df-status-bar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 45;
  pointer-events: none;
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Roboto', sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: #000;
}

/* Per-device status bar sizing */
.df-frame[data-device="iphone-16-pro-max"] > .df-status-bar,
.df-frame[data-device="iphone-16-pro"]     > .df-status-bar { height: 59px; padding: 16px 28px 0; }
.df-frame[data-device="iphone-16"]         > .df-status-bar { height: 50px; padding: 14px 24px 0; }
.df-frame[data-device="iphone-se"]         > .df-status-bar { height: 20px; padding: 2px 12px 0; font-size: 12px; }
.df-frame[data-device="galaxy-s24-ultra"]  > .df-status-bar,
.df-frame[data-device="galaxy-s24"]        > .df-status-bar,
.df-frame[data-device="pixel-9-pro"]       > .df-status-bar,
.df-frame[data-device="pixel-9"]           > .df-status-bar { height: 36px; padding: 8px 16px 0; }

.df-status-bar-left,
.df-status-bar-right {
  display: flex;
  align-items: center;
  gap: 6px;
}

.df-status-bar-time { font-size: 15px; font-weight: 600; }
.df-status-bar-icons { display: flex; align-items: center; gap: 5px; }
.df-status-bar-icons svg { display: block; }

/* Status bar landscape — left edge, vertical */
.df-frame[data-orientation="landscape"] > .df-status-bar {
  top: 0;
  left: 0;
  right: auto;
  bottom: 0;
  width: 54px;
  height: auto;
  flex-direction: column;
  padding: 24px 0;
  justify-content: space-between;
  align-items: center;
}

.df-frame[data-orientation="landscape"] > .df-status-bar .df-status-bar-left,
.df-frame[data-orientation="landscape"] > .df-status-bar .df-status-bar-right { flex-direction: column; }
.df-frame[data-orientation="landscape"] > .df-status-bar .df-status-bar-icons { flex-direction: column; }
.df-frame[data-orientation="landscape"] > .df-status-bar .df-status-bar-time { writing-mode: vertical-rl; font-size: 13px; }

/* ==========================================================================
   Scroll Indicators
   ========================================================================== */

.df-scroll-indicator {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 6px;
  z-index: 40;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.df-scroll-indicator.df-scroll-visible { opacity: 1; }

.df-scroll-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(0,0,0,0.2);
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.df-scroll-dot.active {
  transform: scale(1.5);
  background: rgba(0,0,0,0.5);
}

/* Scroll indicator landscape — bottom edge, horizontal */
.df-frame[data-orientation="landscape"] .df-scroll-indicator {
  right: auto;
  top: auto;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  flex-direction: row;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

/* --- Mobile: fullscreen, no frame, show FAB --- */
@media (max-width: 500px) {
  .df-stage {
    padding: 0;
    min-height: 100dvh;
    min-height: -webkit-fill-available;
    align-items: stretch;
    justify-content: stretch;
    background: #FFFFFF;
  }

  .df-frame {
    width: 100% !important;
    height: 100dvh !important;
    height: -webkit-fill-available;
    border-radius: 0 !important;
    box-shadow: none;
    transition: none;
  }

  .df-frame[data-orientation="landscape"] {
    width: 100% !important;
    height: 100dvh !important;
  }

  .df-notch--dynamic-island,
  .df-notch--notch,
  .df-notch--punch-hole,
  .df-home-indicator,
  .df-btn-power,
  .df-btn-volume-up,
  .df-btn-volume-down,
  .df-status-bar,
  .df-scroll-indicator {
    display: none;
  }

  .df-nav {
    display: none !important;
  }

  body.df-has-nav {
    padding-left: 0 !important;
  }

  /* FAB visible on mobile */
  .df-nav-fab {
    display: flex;
    position: fixed;
    top: max(10px, env(safe-area-inset-top));
    right: 10px;
    z-index: 9998;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    border: none;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: rgba(255, 255, 255, 0.9);
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
    transition: background 0.15s ease, transform 0.15s ease;
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Roboto', sans-serif;
  }

  .df-nav-fab:active {
    transform: scale(0.92);
    background: rgba(0, 0, 0, 0.7);
  }

  /* Overlay container */
  .df-nav-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    pointer-events: none;
    visibility: hidden;
  }

  .df-nav-overlay.open {
    pointer-events: auto;
    visibility: visible;
  }

  /* Backdrop */
  .df-nav-overlay-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    opacity: 0;
    transition: opacity 0.25s ease;
  }

  .df-nav-overlay.open .df-nav-overlay-backdrop {
    opacity: 1;
  }

  /* Bottom sheet */
  .df-nav-overlay-sheet {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: #fff;
    border-radius: 20px 20px 0 0;
    padding: 12px 20px max(24px, env(safe-area-inset-bottom));
    max-height: 70dvh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    transform: translateY(100%);
    transition: transform 0.3s cubic-bezier(0.32, 0.72, 0, 1);
    box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.12);
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Roboto', sans-serif;
  }

  .df-nav-overlay.open .df-nav-overlay-sheet {
    transform: translateY(0);
  }

  /* Handle bar */
  .df-nav-overlay-handle {
    width: 36px;
    height: 4px;
    border-radius: 2px;
    background: #d1d5db;
    margin: 0 auto 12px;
    cursor: pointer;
  }

  /* Title */
  .df-nav-overlay-title {
    font-size: 18px;
    font-weight: 700;
    color: #212121;
    margin-bottom: 12px;
  }

  /* List */
  .df-nav-overlay-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
  }

  /* Group label */
  .df-nav-overlay-group {
    font-size: 10px;
    font-weight: 600;
    color: #757575;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 12px 8px 4px;
  }

  .df-nav-overlay-group:first-child {
    padding-top: 0;
  }

  /* Screen link */
  .df-nav-overlay-link {
    display: block;
    padding: 12px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 500;
    color: #212121;
    text-decoration: none;
    transition: background 0.15s ease;
  }

  .df-nav-overlay-link:hover,
  .df-nav-overlay-link:active {
    background: rgba(0, 0, 0, 0.05);
  }

  .df-nav-overlay-link.active {
    background: rgba(25, 118, 210, 0.1);
    color: #1976D2;
    font-weight: 600;
  }

  /* Safe area insets for notched phones */
  .df-screen > :first-child {
    padding-top: max(0px, env(safe-area-inset-top));
  }
}

/* --- Tablet: shrink nav --- */
@media (min-width: 501px) and (max-width: 768px) {
  .df-nav {
    width: 140px;
    padding: 10px 6px;
  }

  .df-nav a {
    font-size: 11px;
    padding: 6px 8px;
  }

  .df-nav-label {
    font-size: 9px;
  }

  body.df-has-nav {
    padding-left: 140px !important;
  }

  .df-nav-toggle {
    display: flex;
  }
}

/* --- Desktop: full sidebar --- */
@media (min-width: 769px) {
  .df-nav-toggle {
    display: none;
  }
}

/* --- Tablet toggle visibility --- */
@media (max-width: 768px) and (min-width: 501px) {
  .df-nav-toggle {
    display: flex;
  }
}