/* ─────────────────────────────────────────────────────────────────────────────
   HeadRoomDaily — App Styles (consolidated & optimized)
   - Dark by default via CSS variables
   - Light mode via .light-mode (supported on <html> or <body>)
   - Desktop: sidebar pinned; Mobile: drawer with toggle
   - Mobile: single feed column, sticky header, proper 100dvh sizing
   - All visuals preserved from your current build
   ──────────────────────────────────────────────────────────────────────────── */

/* ========== 0) Base reset & tokens ========== */

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

:root {
  /* Layout */
  --nav-h: 71px;                 /* desktop navbar height */

  /* Surfaces */
  --color-background-primary: #000;
  --color-background-secondary: #121214;
  --color-background-tertiary: #0d0d0d;
  --color-background-hover: #1f1f1f;
  --color-background-interactive: #333;
  --color-background-dropdown: #1a1a1a;
  --color-overlay-background: rgba(0,0,0,0.35);

  /* Text */
  --color-text-primary: #a7a7a7;
  --color-text-secondary: #e0e0e0;
  --color-text-accent: #ffffff;
  --color-text-muted: #888;
  --color-text-subtle: #666;

  /* Borders & shadows */
  --color-border-primary: #222;
  --color-border-secondary: #555;
  --color-border-interactive: #333;
  --color-border-active: #3d3d3d;
  --color-shadow-primary: rgba(0,0,0,0.15);

  /* Brand */
  --color-brand-pink: #ff3269;
  --color-brand-purple: #8c00ff;
  --color-shadow-purple: rgba(140,0,255,0.5);

  /* Skeleton */
  --color-skeleton-base: #232323;
  --color-skeleton-highlight: #2c2c2c;
}

/* Support .light-mode on either <html> or <body> */
html.light-mode,
body.light-mode {
  --color-background-primary: #ffffff;
  --color-background-secondary: #f7f7f7;
  --color-background-tertiary: #f0f0f0;
  --color-background-hover: #e9e9e9;
  --color-background-interactive: #e0e0e0;
  --color-background-dropdown: #fdfdfd;
  --color-overlay-background: rgba(255,255,255,0.5);

  --color-text-primary: #555;
  --color-text-secondary: #333;
  --color-text-accent: #000;
  --color-text-muted: #777;
  --color-text-subtle: #999;

  --color-border-primary: #e0e0e0;
  --color-border-secondary: #ccc;
  --color-border-interactive: #ccc;
  --color-border-active: #e0e0e0;

  --color-shadow-primary: rgba(0,0,0,0.08);
  --color-skeleton-base: #e0e0e0;
  --color-skeleton-highlight: #f5f5f5;
}

/* ========== 1) Global base ========== */

body {
  background-color: var(--color-background-primary);
  color: var(--color-text-primary);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  font-size: 14px;
  margin: 0;
  overflow: hidden; /* internal panes manage scroll */
}

a { color: var(--color-text-primary); text-decoration: none; }
a:hover { color: var(--color-text-accent); }

ul { list-style: none; margin: 0; padding: 0; }

h4 {
  margin: 20px 0 10px;
  color: var(--color-text-accent);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
}

button { font-family: inherit; }

/* ========== 2) Navbar ========== */

.navbar {
  position: relative;
  display: flex; align-items: center; justify-content: space-between;
  height: var(--nav-h);
  padding: 15px 25px;
  background: var(--color-background-primary);
  color: var(--color-text-primary);
  border-bottom: 1px solid var(--color-border-primary);
  z-index: 100;
}

.navbar .logo { display: flex; align-items: center; gap: 8px; }
.logo .st0 { fill: var(--color-text-accent); }

.beta-logo { color: var(--color-text-accent); font-weight: 700; font-size: 18px; }

.navbar-links ul { display: flex; align-items: center; gap: 20px; }
.navbar-links button {
  background: none; border: none; cursor: pointer;
  color: var(--color-text-primary); font-size: 16px;
}
.navbar-links button:hover { color: var(--color-text-accent); }

#auth-container .menu-link { color: var(--color-text-primary); font-size: 14px; }
.menu-link-email { pointer-events: none; text-decoration: none; }

.button-pink {
  background: var(--color-brand-pink) !important;
  color: #fff !important;
  border: none; border-radius: 50px !important;
  padding: 9px 15px !important;
  cursor: pointer;
}

/* Small, modern auth icon (mobile) */
.auth-icon-btn {
  display: none; /* shown on mobile below */
  background: transparent;
  border: 1px solid var(--color-border-primary);
  color: var(--color-text-primary);
  width: 36px; height: 36px; border-radius: 9px;
  align-items: center; justify-content: center;
  padding: 0; cursor: pointer;
  transition: background .2s ease, border-color .2s ease, color .2s ease, transform .08s ease;
}
.auth-icon-btn:hover {
  background: var(--color-background-hover);
  border-color: var(--color-border-secondary);
  color: var(--color-text-accent);
}
.auth-icon-btn:active { transform: translateY(1px); }

/* ========== 3) App layout shell ========== */

.wrapper { display: flex; height: calc(100dvh - var(--nav-h)); }

/* ========== 4) Left Sidebar (desktop pinned, mobile drawer) ========== */

.left-nav {
  width: 250px;
  background: var(--color-background-secondary);
  border-right: 1px solid var(--color-border-primary);
  transition: width .3s ease;
  flex-shrink: 0;
  overflow: hidden;
}
#left-nav-container { height: 100%; display: flex; flex-direction: column; }

/* Desktop collapse support (unused on mobile) */
.left-nav.collapsed { width: 0; overflow: hidden; }

/* Sidebar header (Sources / Read Later tabs) */
.sidebar-header {
  display: flex; flex-shrink: 0;
  padding: 10px 20px 5px;
  background: var(--color-background-secondary);
  border-bottom: 1px solid var(--color-border-primary);
}
.sidebar-toggle-btn {
  flex: 1;
  background: none; border: none; cursor: pointer;
  color: var(--color-text-subtle);
  font-size: 12px; font-weight: 400; text-transform: uppercase;
  padding: 8px 5px; transition: color .2s ease; position: relative;
}
.sidebar-toggle-btn:hover { color: var(--color-text-primary); }
.sidebar-toggle-btn.active { color: var(--color-text-accent); }
.unread-badge {
  position: absolute; top: 50%; right: -5px; transform: translateY(-50%);
  color: var(--color-text-primary);
  font-size: 10px; font-weight: 700; padding: 2px 5px; line-height: 1; border-radius: 50px;
}

/* Sidebar content area */
.sidebar-content {
  flex: 1; min-height: 0; overflow-y: auto; position: relative;
}
.sidebar-empty-state {
  padding: 20px; text-align: center; font-size: 13px; color: var(--color-text-subtle);
}

/* Sidebar: source search + categories */
.left-nav-search-container {
  position: sticky; top: 0; z-index: 10;
  padding: 15px 20px; background: var(--color-background-secondary);
}
#source-search {
  width: 100%; padding: 8px 10px; border-radius: 4px; box-sizing: border-box;
  background: var(--color-background-tertiary);
  border: 1px solid var(--color-border-interactive);
  color: var(--color-text-secondary); font-size: 14px; font-family: inherit;
}
#source-search::placeholder { color: var(--color-text-subtle); }
#source-search:focus {
  outline: none; border-color: var(--color-brand-purple);
  box-shadow: 0 0 5px var(--color-shadow-purple);
}
.category-group { padding: 0 20px 10px; }
.category-group summary {
  padding: 0 0 10px 5px; cursor: pointer;
  color: var(--color-text-primary);
  font-size: 11px; font-weight: 700; text-transform: uppercase;
}
.left-nav-ul { padding-left: 10px; }

/* Sidebar: source rows */
.source-list-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 6px 8px; border-radius: 4px; font-size: 14px;
  transition: background-color .2s ease;
}
.source-list-item span {
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; padding-right: 10px;
}
.source-toggle {
  background: transparent; border: none; border-radius: 4px;
  width: 22px; height: 22px; flex-shrink: 0; margin-left: 15px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: all .2s ease-in-out;
}
.source-toggle i { font-size: 10px; line-height: 1; color: var(--color-text-subtle); transition: color .2s ease; }
.source-list-item:not(.in-library):hover { background: var(--color-background-hover); }
.source-list-item:not(.in-library):hover .source-toggle { background: var(--color-background-interactive); }
.source-list-item:hover .source-toggle i { color: var(--color-text-accent); }
.source-list-item.in-library {
  background: var(--color-background-hover); color: var(--color-text-accent);
}
.source-list-item.in-library .source-toggle i { color: var(--color-text-primary); }
.source-list-item.in-library:hover .source-toggle { background: var(--color-background-interactive); }
.source-list-item.in-library:hover .source-toggle i { color: var(--color-brand-pink); }

/* Read-later list inside sidebar */
.left-nav-ul-later { padding: 15px 20px; }
.left-nav-ul-later li {
  position: relative; display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 4px; padding: 10px 8px; border-radius: 6px;
  overflow: hidden; max-height: 100px;
  transition: background-color .2s ease, opacity .25s ease, max-height .3s ease, transform .18s ease;
}
.left-nav-ul-later li:hover { background: var(--color-background-hover); }
.left-nav-ul-later li.fade-out { opacity: 0; transform: translateY(2px); }
.later-item-details { display: flex; flex-direction: column; overflow: hidden; margin-right: 10px; }
.later-item-details a.later-item-title {
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden; text-overflow: ellipsis; white-space: normal;
  line-height: 1.4; min-height: calc(1.4em * 2);
}
.later-item-title { color: var(--color-text-primary); font-weight: 500; }
.later-item-title:hover { color: var(--color-text-accent); }
.later-item-metadata { font-size: 11px; color: var(--color-text-subtle); }
.left-nav-ul-later li.read .later-item-title { color: var(--color-text-subtle); text-decoration: line-through; }
.left-nav-ul-later li.read .later-item-title:hover { color: var(--color-text-muted); text-decoration: line-through; }
.later-item-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; opacity: 0; transition: opacity .2s ease; }
.left-nav-ul-later li:hover .later-item-actions { opacity: 1; }
.later-item-actions a { color: var(--color-text-muted); font-size: 13px; }
.later-item-actions a:hover { color: var(--color-text-accent); }
button[data-locked="true"] { opacity: .4; cursor: not-allowed; }

/* ========== 5) Main content area & grid ========== */

.container {
  flex: 1 1 auto;
  padding: 20px;
  overflow-y: auto;
}

/* --- "Focus View" (Responsive Single Row with fixed track counts) --- */
.container.layout-3-col .grid-container {
  display: grid;
  gap: 20px;
  height: 100%;
  /* Default to TWO columns to avoid squish on narrower desktops */
  grid-template-columns: repeat(2, 1fr);
  align-items: stretch;
}

.container.layout-3-col .feed-column { 
  display: none; 
  height: calc(100dvh - var(--nav-h) - 40px); 
}




/* Only show first 3 by default */
.container.layout-3-col .feed-column { display: none; height: calc(100dvh - var(--nav-h) - 40px); }
.container.layout-3-col .feed-column[data-feed-index="0"],
.container.layout-3-col .feed-column[data-feed-index="1"] { display: flex; }
.container.layout-3-col .feed-column[data-feed-index="2"] { display: flex; }


/* Bump to THREE columns at ~1280px */
@media (min-width: 1280px) {
  .container.layout-3-col .grid-container { grid-template-columns: repeat(3, 1fr); }
  .container.layout-3-col .feed-column[data-feed-index="2"] { display: flex; }
}

/* FOUR columns at 1500px */
@media (min-width: 1600px) {
  .container.layout-3-col .grid-container { grid-template-columns: repeat(4, 1fr); }
  .container.layout-3-col .feed-column[data-feed-index="3"] { display: flex; }
}

/* FIVE at 2000px */
@media (min-width: 2000px) {
  .container.layout-3-col .grid-container { grid-template-columns: repeat(5, 1fr); }
  .container.layout-3-col .feed-column[data-feed-index="4"] { display: flex; }
}

/* SIX at 2400px */
@media (min-width: 2400px) {
  .container.layout-3-col .grid-container { grid-template-columns: repeat(6, 1fr); }
  .container.layout-3-col .feed-column[data-feed-index="5"] { display: flex; }
}
/* --- "Grid View" (Always Two Rows) --- */
.container.layout-6-col .grid-container {
  display: grid;
  gap: 20px;
  height: 100%;
  grid-template-rows: repeat(2, 1fr);
  grid-template-columns: repeat(2, 1fr); /* default 2×2 (4 cards) */
}

.container.layout-6-col .feed-column { display: none; min-height: 0; }

/* Default show 4 (2×2) */
.container.layout-6-col .feed-column[data-feed-index="0"],
.container.layout-6-col .feed-column[data-feed-index="1"],
.container.layout-6-col .feed-column[data-feed-index="2"],
.container.layout-6-col .feed-column[data-feed-index="3"] { display: flex; }

/* NEW STEP: 3×2 (6) on small desktop */
@media (min-width: 1300px) {
  .container.layout-6-col .grid-container { grid-template-columns: repeat(3, 1fr); }
  .container.layout-6-col .feed-column[data-feed-index="4"],
  .container.layout-6-col .feed-column[data-feed-index="5"] { display: flex; }
}

/* 4×2 (8) on medium screens */
@media (min-width: 1600px) {
  .container.layout-6-col .grid-container { grid-template-columns: repeat(4, 1fr); }
  .container.layout-6-col .feed-column[data-feed-index="6"],
  .container.layout-6-col .feed-column[data-feed-index="7"] { display: flex; }
}

/* 5×2 (10) on large */
@media (min-width: 2000px) {
  .container.layout-6-col .grid-container { grid-template-columns: repeat(5, 1fr); }
  .container.layout-6-col .feed-column[data-feed-index="8"],
  .container.layout-6-col .feed-column[data-feed-index="9"] { display: flex; }
}

/* 6×2 (12) on ultrawide */
@media (min-width: 2400px) {
  .container.layout-6-col .grid-container { grid-template-columns: repeat(6, 1fr); }
  .container.layout-6-col .feed-column[data-feed-index="10"],
  .container.layout-6-col .feed-column[data-feed-index="11"] { display: flex; }
}

/* --- Mobile View Override (Unchanged and Preserved for Safety) --- */
@media (max-width: 920px) {
  .container .grid-container {
    grid-template-columns: 1fr !important;
    display: grid !important; /* Ensure it's always a grid on mobile */
    overflow-x: hidden !important;
  }
  .container.layout-3-col .feed-column,
  .container.layout-6-col .feed-column { display: none !important; }
  .container .feed-column[data-feed-index="0"] { display: flex !important;
  height: calc(100dvh - var(--nav-h) - 40px) !important; }
}

/* ========== 6) Feed column ========== */

.feed-column {
  background: var(--color-background-tertiary);
  border: 1px solid var(--color-border-primary);
  border-radius: 8px;
  display: flex; flex-direction: column;
  overflow: hidden; position: relative;
}
.feed-header {
  display: flex; align-items: center; gap: 10px;
  padding: 10px; border-bottom: 1px solid var(--color-border-primary);
  flex-shrink: 0;
}
.feed-logo { width: 20px; height: 20px; object-fit: contain; border-radius: 4px; }
.select-wrapper { flex: 1; }

.feed-select {
  -webkit-appearance: none; appearance: none;
  background: transparent; border: none; width: 100%;
  color: var(--color-text-secondary);
  font-size: 14px; font-weight: 700;
  outline: none; cursor: pointer;
}
.feed-select option,
.feed-select optgroup { background: var(--color-background-dropdown); color: var(--color-text-secondary); font-weight: 400; }

.feed-content { padding: 15px; overflow-y: auto; flex: 1 1 auto; }

.feed-item {
  display: flex; align-items: center; gap: 15px;
  margin-bottom: 2px; padding: 8px;
  border-radius: 6px; transition: background-color .2s ease;
}
.feed-item:hover { background: var(--color-background-hover); }

.item-rank { min-width: 20px; text-align: right; color: var(--color-text-muted); font-weight: 700; }
.item-details { display: flex; flex-direction: column; flex: 1 1 auto; min-width: 0; }
.item-details > a.feed-item-link {
  color: var(--color-text-primary); font-weight: 500; margin-bottom: 4px; line-height: 1.35;
}
.item-details > a.feed-item-link:hover { color: var(--color-text-accent); }

.item-metadata {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  width: 100%; font-size: 11px; color: var(--color-text-subtle);
}
.item-metadata .meta-left { display: inline-flex; align-items: center; gap: 6px; }
.item-metadata .meta-actions { display: inline-flex; align-items: center; gap: 10px; }

.item-metadata .morph-open-toggle { display: inline-flex; align-items: center; color: var(--color-text-primary); text-decoration: none; }
.item-metadata .morph-open-toggle:hover { color: var(--color-text-accent); }
.item-metadata .morph-open-toggle svg { width: 14px; height: 14px; opacity: .85; }
.item-metadata .morph-open-toggle:hover svg { opacity: 1; }

.feed-item.read .item-details a { color: var(--color-text-subtle); font-weight: 400; }
.feed-item.read .item-details a:hover { color: var(--color-text-muted); }

/* ========== 7) Login / Onboarding cards ========== */

.login-container,
.onboarding-container {
  color: var(--color-text-primary);
  background: var(--color-background-secondary);
  text-align: center; padding: 50px; max-width: 800px;
  margin: 100px auto; border-radius: 8px;
}
.login-container h2, .onboarding-container h2 { color: var(--color-text-accent); }
.login-container input[type='email'] {
  width: 250px; padding: 10px; margin-right: 10px; border-radius: 5px;
  background: var(--color-background-interactive);
  border: 1px solid var(--color-border-secondary);
  color: var(--color-text-accent);
}
.packs-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; margin-top: 30px; }
.pack-card {
  background: var(--color-background-tertiary);
  border: 1px solid var(--color-border-primary);
  padding: 20px; border-radius: 8px;
  display: flex; flex-direction: column; align-items: center; justify-content: space-between;
}
.pack-card h3 { color: var(--color-text-accent); margin: 0; }
.pack-card p { flex: 1 1 auto; }
.feed-column.empty .select-wrapper { border: 2px dashed var(--color-border-interactive); }

/* ========== 8) Morph overlay (article preview) ========== */

.morph-overlay {
  position: absolute; inset: 0; z-index: 20; overflow: hidden;
  contain: layout paint; visibility: hidden; pointer-events: none;
}
.morph-overlay.is-open { visibility: visible; pointer-events: auto; }
.morph-overlay__bg {
  position: absolute; inset: 0; border-radius: 8px;
  background: var(--color-background-hover);
  transform-origin: top left; will-change: transform, border-radius;
  transition: transform 420ms cubic-bezier(.22,.75,.15,1), border-radius 420ms cubic-bezier(.22,.75,.15,1);
}
.feed-column.morph-dim > .feed-content,
.feed-column.morph-dim > .feed-header { filter: opacity(.6) saturate(.9); transition: filter 240ms ease; }

.morph-close {
  position: absolute; top: 8px; right: 8px; z-index: 21;
  width: 26px; height: 26px; line-height: 24px; text-align: center;
  background: var(--color-overlay-background); border: 1px solid var(--color-border-primary);
  color: var(--color-text-primary); font-size: 14px; border-radius: 6px; cursor: pointer;
  opacity: 0; transition: opacity 160ms ease;
}
.morph-overlay.is-open .morph-close { opacity: 1; }
.morph-close:hover { color: var(--color-text-accent); }

.morph-preview {
  position: absolute; inset: 16px;
  display: grid; grid-template-rows: 1fr auto; gap: 12px;
  width: calc(100% - 32px); height: calc(100% - 32px); overflow: hidden;
}
.morph-preview__text {
  min-height: 0; overflow: auto; padding-right: 6px;
  color: var(--color-text-accent); font-size: 13px; line-height: 1.5;
}
.preview-title { margin: 0 0 10px; font-size: 1.2rem; font-weight: 300; letter-spacing: .2px; line-height: 1.35; }
p.preview-summary { margin: 0; }
.preview-published { margin: 0 0 10px; font-size: 12px; color: var(--color-text-primary); opacity: .85; }

.preview-keypoints-title { display: flex; align-items: center; margin: 14px 0 6px; font-size: .95rem; font-weight: 600; }
.kp-icon { width: 22px; height: 22px; opacity: .85; color: currentColor; }
.preview-keypoints { margin: 4px 0 0; padding: 0; list-style: none; }
.preview-keypoints li { display: flex; align-items: flex-start; gap: 8px; margin: 6px 0; line-height: 1.45; }
.preview-keypoints li .kp-dash {
  flex: 0 0 auto; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, 'Liberation Mono', monospace;
  font-weight: 700; color: var(--color-text-primary); opacity: .6; transform: translateY(1px);
}

.preview-footer { align-self: end; justify-self: end; }
.preview-read-link {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 12px; border-radius: 999px; text-decoration: none;
  background: var(--color-button-background); color: var(--color-text-accent);
  transition: transform 150ms ease, box-shadow 150ms ease, background 150ms ease;
}
.preview-read-link:hover,
.preview-read-link:focus-visible { background: var(--color-background-primary); transform: translateY(-1px); }
.preview-read-link .read-icon { width: 18px; height: 18px; color: currentColor; }

/* Skeleton shimmer for keypoints */
@keyframes kpDarkShimmer {
  0% { background-position: -240px 0; }
  100% { background-position: calc(240px + 100%) 0; }
}
.preview-keypoints.kp-placeholder { margin: 8px 0 0; }
.preview-keypoints.kp-placeholder li { margin: 8px 0; opacity: .95; }
.kp-placeholder .kp-dash { opacity: .35; }
.kp-placeholder .kp-skel-line {
  display: inline-block; width: 80%; height: .78em; border-radius: 6px;
  background: linear-gradient(90deg, var(--color-skeleton-base) 20%, var(--color-skeleton-highlight) 35%, var(--color-skeleton-base) 60%) !important;
  background-size: 240px 100% !important; animation: kpDarkShimmer 1.1s ease-in-out infinite !important;
}

/* ========== 9) Intent tags ========== */

.intent-tag {
  display: inline-block; padding: 2px 7px; border-radius: 4px;
  font-size: 10px; font-weight: 600; line-height: 1.4; text-transform: uppercase; letter-spacing: .5px;
}
.intent-tag--tutorial { background: #2a3d52; color: #8cb4e6; }
.intent-tag--deal     { background: #2e473d; color: #8de4b5; }
.intent-tag--release  { background: #4b3d52; color: #c999e6; }
.intent-tag--news     { background: var(--color-background-interactive); color: var(--color-text-subtle); }

html.light-mode .intent-tag--tutorial,
body.light-mode .intent-tag--tutorial { background: #e0eaf6; color: #2a3d52; }
html.light-mode .intent-tag--deal,
body.light-mode .intent-tag--deal { background: #dff6e9; color: #1e4731; }
html.light-mode .intent-tag--release,
body.light-mode .intent-tag--release { background: #f3e6f9; color: #4b3d52; }
html.light-mode .intent-tag--news,
body.light-mode .intent-tag--news { background: var(--color-background-interactive); color: var(--color-text-subtle); }

/* ========== 10) Modal (Auth) ========== */

.modal-overlay {
  position: fixed; inset: 0; z-index: 1000;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,.6);
  opacity: 0; pointer-events: none; transition: opacity .3s ease-in-out;
}
.modal-overlay.is-visible { opacity: 1; pointer-events: auto; }

.modal-container {
  position: relative; width: 90%; max-width: 500px; padding: 40px;
  background: var(--color-background-secondary);
  border: 1px solid var(--color-border-primary); border-radius: 8px;
  box-shadow: 0 10px 30px rgba(0,0,0,.2);
  transform: scale(.95); transition: transform .3s ease-in-out;
}
.modal-overlay.is-visible .modal-container { transform: scale(1); }

.modal-close-btn {
  position: absolute; top: 15px; right: 15px;
  background: none; border: none; cursor: pointer;
  color: var(--color-text-subtle); font-size: 20px; transition: color .2s ease;
}
.modal-close-btn:hover { color: var(--color-text-accent); }

.modal-container h2 { margin-top: 0; color: var(--color-text-accent); }
.modal-container p  { color: var(--color-text-primary); }

.modal-container input[type='email'] {
  width: 250px; padding: 10px; margin-right: 10px; border-radius: 5px;
  background: var(--color-background-interactive);
  border: 1px solid var(--color-border-secondary);
  color: var(--color-text-accent);
}

/* Google button */
.google-signin-btn {
  width: 100%; margin-bottom: 15px; padding: 10px;
  display: flex; align-items: center; justify-content: center;
  background: #131314; color: #e3e3e3; border: 1px solid #8e918f; border-radius: 4px;
  font-family: 'Roboto', sans-serif; font-size: 14px; font-weight: 500;
  transition: background-color .2s ease, border-color .2s ease;
}
.google-signin-btn:hover { background: #1d212d; border-color: #98aee1; }
.google-signin-btn:focus { outline: 2px solid #86a3d9; outline-offset: 2px; }
html.light-mode .google-signin-btn,
body.light-mode .google-signin-btn {
  background: #ffffff; color: #1f1f1f; border-color: #747775;
}
html.light-mode .google-signin-btn:hover,
body.light-mode .google-signin-btn:hover {
  background: #f7fafe; border-color: #d2e3fc;
}
html.light-mode .google-signin-btn:focus,
body.light-mode .google-signin-btn:focus {
  outline: 2px solid #c8dcf8;
}
.google-signin-btn svg { width: 18px; height: 18px; margin-right: 12px; }

/* Divider */
.modal-divider {
  display: flex; align-items: center; justify-content: center;
  color: var(--color-text-subtle); font-size: 12px; margin: 20px 0;
}
.modal-divider::before,
.modal-divider::after {
  content: ''; flex: 1 1 auto; border-bottom: 1px solid var(--color-border-primary);
}
.modal-divider:not(:empty)::before { margin-right: .5em; }
.modal-divider:not(:empty)::after  { margin-left: .5em; }

/* Email/password form */
.auth-form-container { display: flex; flex-direction: column; gap: 12px; margin-bottom: 15px; }
#auth-form { display: flex; flex-direction: column; gap: 5px; align-items: center; }
#auth-password-input {
  width: 250px; padding: 10px; border-radius: 5px;
  background: var(--color-background-interactive);
  border: 1px solid var(--color-border-secondary);
  color: var(--color-text-accent); font-size: 14px; font-family: inherit;
}
#auth-password-input:focus {
  outline: none; border-color: var(--color-brand-purple); box-shadow: 0 0 5px var(--color-shadow-purple);
}
.auth-error { color: #ff5555; font-size: 12px; margin: -10px 0 10px; min-height: 1.2em; text-align: left; }
.auth-footer { text-align: center; margin-top: 20px; font-size: 13px; }
.auth-footer p, .auth-footer a { color: var(--color-text-subtle); }
.auth-footer a { text-decoration: underline; cursor: pointer; }
.auth-footer a:hover { color: var(--color-text-accent); }
.auth-alternative-link { display: block; margin-top: 10px; }

/* ========== 11) Center Loader (audio bars) ========== */

.loader-overlay {
  position: fixed; inset: 0; z-index: 1200;
  display: grid; place-items: center;
  background: rgba(0,0,0,.35); backdrop-filter: blur(1px);
  opacity: 0; pointer-events: none; transition: opacity 160ms ease;
}
.loader-overlay.is-visible { opacity: 1; pointer-events: auto; }

.loader { display: inline-flex; align-items: flex-end; gap: 4px; height: 28px; }
.loader .bar {
  width: 3px; height: 12px; border-radius: 2px;
  background: var(--color-text-accent, #fff); opacity: .85;
  animation: wave 900ms ease-in-out infinite; transform-origin: 50% 100%;
}
.loader .bar:nth-child(1){animation-delay:0ms}
.loader .bar:nth-child(2){animation-delay:80ms}
.loader .bar:nth-child(3){animation-delay:160ms}
loader .bar:nth-child(4){animation-delay:240ms}
.loader .bar:nth-child(5){animation-delay:320ms}
.loader .bar:nth-child(6){animation-delay:400ms}
.loader .bar:nth-child(7){animation-delay:480ms}
@keyframes wave { 0%,100%{transform:scaleY(.5);opacity:.7} 50%{transform:scaleY(1);opacity:1} }

html.light-mode .loader .bar,
body.light-mode .loader .bar { background: var(--color-text-accent, #000); opacity: .9; }

/* ========== 12) Reduced motion ========== */

@media (prefers-reduced-motion: reduce) {
  .left-nav-ul-later li { transition: none; }
  .left-nav-ul-later li.fade-out { opacity: 0; transform: none; }
  .morph-overlay__bg { transition: none !important; }
  .feed-column.morph-dim > .feed-content { transition: none !important; }
  .preview-read-link { transition: none; }
  .kp-placeholder .kp-skel-line { animation: none !important; }
}

/* ========== 13) Mobile (≤ 768px): compact UI & single column ========== */

@media (max-width: 768px) {
  :root { --nav-h: 56px; } /* mobile navbar */

  .navbar {
    position: sticky; top: 0; z-index: 100;
    height: var(--nav-h); padding: 10px 14px;
  }

  /* Hide layout selectors on mobile (1 col view) */
  .navbar-links .layout-toggle { display: none !important; }

  /* Auth: show icon, hide big CTA */
  #auth-container .button-pink { display: none !important; }
  #auth-container .auth-icon-btn { display: inline-flex; }

  /* Drawer toggle button (mobile visible) */
  #sidebar-toggle.nav-toggle {
    display: inline-flex; align-items: center; justify-content: center;
    width: 36px; height: 36px; border: none; background: transparent;
    color: var(--color-text-primary); z-index: 1002;
  }

  /* Sidebar becomes off-canvas drawer */
  .left-nav {
    position: fixed; top: var(--nav-h); left: 0; bottom: 0;
    width: 88vw; max-width: 320px; height: auto;
    transform: translateX(-100%); transition: transform .25s ease;
    z-index: 1001; box-shadow: 0 0 40px rgba(0,0,0,.4);
  }
  .left-nav.open { transform: translateX(0); }
  .left-nav.collapsed { transform: translateX(-100%); } /* ignore desktop collapse on mobile */

  /* Scrim behind drawer */
  .nav-scrim {
    position: fixed; inset: var(--nav-h) 0 0 0;
    background: rgba(0,0,0,.5);
    opacity: 0; pointer-events: none; transition: opacity .2s ease;
    z-index: 1000;
  }
  body.nav-open .nav-scrim { opacity: 1; pointer-events: auto; }

  /* Main container: single column & tighter spacing */
  .container { padding: 10px; overflow: hidden; } /* column scrolls */
  .container .grid-container { grid-template-columns: 1fr !important; gap: 10px; }

  /* Force-hide all columns except first, regardless of layout mode */
  .container.layout-3-col .feed-column,
  .container.layout-6-col .feed-column { display: none !important; }
  .container .feed-column[data-feed-index="0"] { display: flex !important; }

  /* Full-height single column with sticky header */
  .feed-column { height: calc(100dvh - var(--nav-h)) !important; }
  .feed-header {
    position: sticky; top: 0; z-index: 1;
    background: var(--color-background-tertiary);
    padding: 8px 10px; gap: 8px;
  }
  .feed-logo { width: 18px; height: 18px; }
  .feed-content { padding: 10px; overflow-y: auto; }

  /* Comfortable tap targets */
  .feed-item { gap: 12px; padding: 10px; }
  .item-details > a.feed-item-link { font-size: 15px; line-height: 1.4; }
  .item-metadata { font-size: 12px; }

  /* Onboarding/login cards edge-to-edge */
  .login-container, .onboarding-container {
    margin: 0; padding: 16px; width: 100%; border-radius: 0;
  }
  .packs-grid { grid-template-columns: 1fr; gap: 12px; }

  /* Inputs stretch */
  .login-container input[type='email'],
  #auth-password-input { width: 100%; max-width: 100%; }

  /* Modal sizing */
  .modal-container { width: 80vw; max-width: 80vw; padding: 24px; top: -10vh; }

  /* Morph full-bleed */
  .morph-overlay__bg { border-radius: 0; }
  .morph-preview { inset: 12px; height: calc(100% - 24px); }
  .preview-read-link { position: sticky; bottom: env(safe-area-inset-bottom, 0); }

  /* Sidebar header spacing */
  .sidebar-header { padding: 8px 12px 6px; }
  .left-nav-search-container { padding: 12px; }
  #source-search { font-size: 14px; }

  /* Read-later rows tap-friendly */
  .left-nav-ul-later li { padding: 12px 10px; }
}

/* ========== 14) Desktop / Large tablets (≥ 1024px) ========== */

@media (min-width: 1024px) {
  /* Hide drawer toggle on desktop/tablet */
  #sidebar-toggle { display: none !important; }

  /* Sidebar pinned and static */
  .left-nav {
    position: relative; top: 0; left: 0; bottom: auto;
    width: 250px; height: auto; transform: none !important; box-shadow: none;
    z-index: 1;
  }
  .nav-scrim { display: none !important; }
  body.nav-open { overflow: auto; }
}

/* ========== 15) Utilities ========== */

.is-hidden { display: none !important; }

/* End of file */

.layout-toggle {
  transition: background-color 0.2s ease; /* Ensure smooth transition */
}

.layout-toggle:hover {
  background-color: var(--color-background-hover);
}

/* 2. Style the user dropdown and logout link */
.user-dropdown {
  display: flex;
  align-items: center;
}

#sign-out-btn {
  margin-left: 12px; /* Adds separation from the user email */
  color: var(--color-text-subtle); /* Makes the text more subtle */
  font-size: 13px;
  transition: color 0.2s ease;
}

#sign-out-btn:hover {
  color: var(--color-text-accent); /* White/black hover effect */
}

/* 3. Ensure theme toggle icons are properly sized */
.theme-toggle i {
  font-size: 18px; /* Adjust size as needed */
  width: 24px;     /* Ensure consistent layout spacing */
  text-align: center;
}