/* ── Reset & Variables ─────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #0f0f13;
  --surface:   #1a1a24;
  --card:      #22222e;
  --border:    #2e2e3e;
  --accent:    #7c6af7;
  --accent2:   #a78bfa;
  --text:      #e8e8f0;
  --muted:     #888899;
  --danger:    #f87171;
  --success:   #4ade80;
  --radius:    12px;
  --shadow:    0 4px 24px rgba(0,0,0,.45);
}

body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

/* ── Utilities ──────────────────────────────────────── */
.hidden  { display: none !important; }
.flex    { display: flex; }
.col     { flex-direction: column; }
.center  { align-items: center; justify-content: center; }
.gap-sm  { gap: .5rem; }
.gap-md  { gap: 1rem; }
.gap-lg  { gap: 1.5rem; }

/* ── Scrollbar ──────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* ── Buttons ────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  padding: .6rem 1.3rem;
  border: none;
  border-radius: 8px;
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity .15s, transform .1s;
}
.btn:active { transform: scale(.97); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { opacity: .88; }
.btn-ghost {
  background: transparent;
  color: var(--accent2);
  border: 1.5px solid var(--border);
}
.btn-ghost:hover { background: var(--border); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { opacity: .85; }
.btn-sm { padding: .35rem .8rem; font-size: .8rem; }
.btn-full { width: 100%; }

/* ── Inputs ─────────────────────────────────────────── */
.input, .textarea {
  width: 100%;
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: .95rem;
  padding: .7rem 1rem;
  outline: none;
  transition: border-color .2s;
  font-family: inherit;
}
.input:focus, .textarea:focus { border-color: var(--accent); }
.textarea { resize: vertical; min-height: 220px; line-height: 1.65; }

.pass-wrap { position: relative; }
.pass-wrap .input { padding-right: 2.8rem; }
.eye-btn {
  position: absolute;
  right: .7rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.1rem;
  color: var(--muted);
  padding: 0;
  line-height: 1;
}
.eye-btn:hover { color: var(--text); }
/* Avatar Preview Tooltip */
.avatar-preview {
  position: fixed;
  z-index: 9998;
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 4px;
  pointer-events: none;
}
.avatar-preview.hidden { display: none; }
.avatar-preview img {
  width: 160px;
  height: 160px;
  border-radius: calc(var(--radius) - 2px);
  object-fit: cover;
  display: block;
}

/* Lightbox */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  cursor: zoom-out;
}
.lightbox-overlay.hidden { display: none; }
.lightbox-img {
  max-width: 90vw;
  max-height: 90vh;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  cursor: default;
}

.btn-link {
  background: none;
  border: none;
  color: var(--accent2);
  cursor: pointer;
  font-size: .85rem;
  padding: 0;
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ── Lightbox ───────────────────────────────────────── */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9000;
  cursor: zoom-out;
  backdrop-filter: blur(6px);
}
.lightbox img {
  max-width: 90vw;
  max-height: 90vh;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 8px 48px rgba(0,0,0,.7);
  width: min(400px, 80vw);
  height: min(400px, 80vw);
}

/* ── Toast ──────────────────────────────────────────── */
#toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(120%);
  opacity: 0;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: .75rem 1.5rem;
  border-radius: 8px;
  font-size: .9rem;
  z-index: 9999;
  transition: transform .3s ease, opacity .3s ease;
  white-space: nowrap;
  box-shadow: var(--shadow);
  pointer-events: none;
}
#toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }
#toast.success { border-color: var(--success); color: var(--success); }
#toast.error   { border-color: var(--danger);  color: var(--danger); }

/* ════════════════════════════════════════════════════
   AUTH SCREEN
════════════════════════════════════════════════════ */
#auth-screen {
  min-height: 100vh;
  background: radial-gradient(ellipse at 30% 0%, #1e1040 0%, var(--bg) 60%);
}

.auth-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.auth-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem 2.5rem;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow);
}

.auth-logo {
  text-align: center;
  margin-bottom: 2rem;
}
.auth-logo .logo-icon {
  font-size: 2.5rem;
  display: block;
  margin-bottom: .5rem;
}

.logo-img {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: 50%;
  display: block;
  margin: 0 auto .75rem;
}

.nav-logo-img {
  width: 28px;
  height: 28px;
  object-fit: cover;
  border-radius: 50%;
  vertical-align: middle;
  margin-right: .4rem;
}
.auth-logo h1 {
  font-size: 1.8rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.auth-logo p {
  color: var(--muted);
  font-size: .9rem;
  margin-top: .3rem;
}

.auth-tabs {
  display: flex;
  background: var(--bg);
  border-radius: 8px;
  padding: 4px;
  margin-bottom: 1.75rem;
}
.auth-tab {
  flex: 1;
  padding: .5rem;
  text-align: center;
  border-radius: 6px;
  cursor: pointer;
  font-size: .9rem;
  font-weight: 600;
  color: var(--muted);
  transition: background .2s, color .2s;
}
.auth-tab.active { background: var(--accent); color: #fff; }

.form-group { margin-bottom: 1.1rem; }
.form-label {
  display: block;
  font-size: .82rem;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: .4rem;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.form-error {
  color: var(--danger);
  font-size: .82rem;
  margin-top: .35rem;
}

/* ════════════════════════════════════════════════════
   APP LAYOUT
════════════════════════════════════════════════════ */
#app-screen { min-height: 100vh; }

/* ── Navbar ─────────────────────────────────────────── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15,15,19,.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  font-size: 1.25rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  cursor: pointer;
}

.nav-actions { display: flex; align-items: center; gap: 1rem; }

.avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: .85rem;
  color: #fff;
  cursor: pointer;
  flex-shrink: 0;
  overflow: hidden;
}
.avatar img {
  width: 100%; height: 100%;
  object-fit: cover;
  border-radius: 50%;
  display: block;
}

.profile-avatar-wrap {
  position: relative;
  flex-shrink: 0;
  width: 72px;
  height: 72px;
}
.avatar-upload-btn {
  position: absolute;
  bottom: 0; right: 0;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: .7rem;
  cursor: pointer;
  border: 2px solid var(--bg);
  line-height: 1;
}
.avatar-upload-btn:hover { opacity: .85; }

.nav-username {
  font-size: .9rem;
  color: var(--muted);
}

/* ── Nav Search ─────────────────────────────────────── */
.nav-search {
  position: relative;
  display: flex;
  align-items: center;
  flex: 1;
  max-width: 360px;
  margin: 0 1.5rem;
}

.search-icon {
  position: absolute;
  left: .75rem;
  font-size: .9rem;
  pointer-events: none;
  color: var(--muted);
}

.search-input {
  width: 100%;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: 24px;
  color: var(--text);
  font-size: .88rem;
  padding: .45rem 2.2rem .45rem 2.2rem;
  outline: none;
  transition: border-color .2s, background .2s;
  font-family: inherit;
}
.search-input:focus {
  border-color: var(--accent);
  background: var(--card);
}
.search-input::placeholder { color: var(--muted); }

.search-clear {
  position: absolute;
  right: .65rem;
  background: none;
  border: none;
  color: var(--muted);
  font-size: .8rem;
  cursor: pointer;
  padding: .2rem .3rem;
  border-radius: 50%;
  line-height: 1;
  transition: color .15s;
}
.search-clear:hover { color: var(--text); }

/* ── Page Container ─────────────────────────────────── */
.page { display: none; max-width: 860px; margin: 0 auto; padding: 2.5rem 1.5rem; }
.page.active { display: block; }

/* ════════════════════════════════════════════════════
   FEED PAGE
════════════════════════════════════════════════════ */
.feed-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.feed-header h2 {
  font-size: 1.5rem;
  font-weight: 700;
}

.feed-header p { color: var(--muted); font-size: .9rem; margin-top: .2rem; }

.filter-bar {
  display: flex;
  gap: .5rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.filter-chip {
  padding: .35rem .9rem;
  border-radius: 20px;
  font-size: .82rem;
  font-weight: 600;
  cursor: pointer;
  background: var(--card);
  border: 1.5px solid var(--border);
  color: var(--muted);
  transition: all .2s;
}
.filter-chip.active, .filter-chip:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* ── Story Cards ────────────────────────────────────── */
.stories-grid { display: flex; flex-direction: column; gap: 1.25rem; }

.story-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  cursor: pointer;
  transition: border-color .2s, transform .15s;
}
.story-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.card-meta {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-bottom: 1rem;
}

.card-author { font-size: .85rem; font-weight: 600; }
.card-date   { font-size: .78rem; color: var(--muted); margin-left: auto; }

.card-genre {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  padding: .2rem .55rem;
  border-radius: 4px;
  background: rgba(124,106,247,.18);
  color: var(--accent2);
}

.card-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: .5rem;
  line-height: 1.3;
}

.card-excerpt {
  color: var(--muted);
  font-size: .9rem;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-footer {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1.2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.card-stat {
  display: flex;
  align-items: center;
  gap: .35rem;
  font-size: .82rem;
  color: var(--muted);
}

.comment-stat {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  transition: color .2s;
}
.comment-stat:hover { color: var(--accent2); }

.like-btn {
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: .35rem;
  font-size: .82rem;
  color: var(--muted);
  padding: 0;
  transition: color .2s;
}
.like-btn:hover, .like-btn.liked { color: #f87171; }
.like-btn .heart { font-size: 1rem; }

.read-more {
  margin-left: auto;
  font-size: .82rem;
  color: var(--accent2);
  font-weight: 600;
}

.empty-state {
  text-align: center;
  padding: 5rem 2rem;
  color: var(--muted);
}
.empty-state .empty-icon { font-size: 3rem; margin-bottom: 1rem; }
.empty-state h3 { font-size: 1.1rem; margin-bottom: .5rem; color: var(--text); }

/* ════════════════════════════════════════════════════
   WRITE PAGE
════════════════════════════════════════════════════ */
.write-header {
  margin-bottom: 2rem;
}
.write-header h2 { font-size: 1.5rem; font-weight: 700; }
.write-header p  { color: var(--muted); font-size: .9rem; margin-top: .3rem; }

.write-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
}

.genre-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: .5rem;
}

.genre-option {
  padding: .4rem .6rem;
  border-radius: 6px;
  border: 1.5px solid var(--border);
  background: var(--bg);
  color: var(--muted);
  font-size: .82rem;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  transition: all .2s;
}
.genre-option:hover, .genre-option.selected {
  border-color: var(--accent);
  background: rgba(124,106,247,.12);
  color: var(--accent2);
}

.char-count {
  text-align: right;
  font-size: .78rem;
  color: var(--muted);
  margin-top: .4rem;
}
.char-count.warn { color: var(--danger); }

.write-actions {
  display: flex;
  justify-content: flex-end;
  gap: .75rem;
  margin-top: 1.5rem;
}

/* ════════════════════════════════════════════════════
   STORY DETAIL PAGE
════════════════════════════════════════════════════ */
.back-btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  color: var(--muted);
  font-size: .9rem;
  cursor: pointer;
  margin-bottom: 2rem;
  transition: color .2s;
}
.back-btn:hover { color: var(--text); }

.detail-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem;
}

.detail-genre { margin-bottom: 1rem; }

.detail-title {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 1rem;
}

.detail-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--muted);
  font-size: .88rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.detail-meta .avatar { width: 28px; height: 28px; font-size: .75rem; }

.detail-body {
  font-size: 1.05rem;
  line-height: 1.85;
  color: #ccccd8;
  white-space: pre-wrap;
  word-break: break-word;
}

.detail-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

/* ── Comments ────────────────────────────────────────── */
.comments-section {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.comments-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.comments-count {
  font-size: .9rem;
  font-weight: 400;
  color: var(--muted);
}

.comment-form { margin-bottom: 1.5rem; }

.comment-input {
  min-height: 80px;
  resize: vertical;
}

.comment-form-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: .6rem;
}

.comments-empty {
  color: var(--muted);
  font-size: .9rem;
  padding: 1rem 0;
}

.comment-item {
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}
.comment-item:last-child { border-bottom: none; }

.comment-meta {
  display: flex;
  align-items: center;
  gap: .6rem;
  margin-bottom: .5rem;
}

.comment-author {
  font-size: .85rem;
  font-weight: 600;
}

.comment-date {
  font-size: .78rem;
  color: var(--muted);
  margin-left: auto;
}

.comment-delete {
  background: none;
  border: none;
  color: var(--muted);
  font-size: .75rem;
  cursor: pointer;
  padding: .1rem .3rem;
  border-radius: 4px;
  transition: color .15s;
  margin-left: .25rem;
}
.comment-delete:hover { color: var(--danger); }

.comment-body {
  font-size: .92rem;
  line-height: 1.6;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-word;
  padding-left: 2.2rem;
}

/* ════════════════════════════════════════════════════
   PROFILE PAGE
════════════════════════════════════════════════════ */
.profile-header {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.profile-avatar {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
  overflow: hidden;
}
.profile-avatar img {
  width: 100%; height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.profile-info h2 { font-size: 1.4rem; font-weight: 700; }
.profile-info p  { color: var(--muted); font-size: .9rem; margin-top: .2rem; }

.profile-stats {
  display: flex;
  gap: 2rem;
  margin-top: 1rem;
}
.stat-item { text-align: center; }
.stat-value { font-size: 1.4rem; font-weight: 700; }
.stat-label { font-size: .78rem; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }

.section-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  color: var(--text);
}

/* ════════════════════════════════════════════════════
   AUTHORS PAGE
════════════════════════════════════════════════════ */
.authors-grid { display: flex; flex-direction: column; gap: 1rem; }

.author-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  transition: border-color .2s;
}
.author-card:hover { border-color: var(--accent); }

.author-avatar {
  width: 52px; height: 52px;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.author-info { flex: 1; min-width: 0; }
.author-name { font-size: 1rem; font-weight: 700; }
.author-username { font-size: .85rem; color: var(--muted); margin-top: .1rem; }
.author-stats {
  display: flex;
  gap: .5rem;
  font-size: .8rem;
  color: var(--muted);
  margin-top: .45rem;
}

.you-badge {
  font-size: .75rem;
  font-weight: 700;
  color: var(--muted);
  border: 1.5px solid var(--border);
  border-radius: 20px;
  padding: .25rem .7rem;
  flex-shrink: 0;
}

/* ════════════════════════════════════════════════════
   BOTTOM NAV (mobile)
════════════════════════════════════════════════════ */
.bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(15,15,19,.97);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--border);
  z-index: 200;
  padding: .4rem 0 env(safe-area-inset-bottom, .4rem);
}

.bottom-nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .15rem;
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  padding: .4rem .25rem;
  transition: color .2s;
  -webkit-tap-highlight-color: transparent;
}
.bottom-nav-item.active { color: var(--accent2); }
.bottom-nav-item:active { opacity: .7; }
.bnav-icon { font-size: 1.3rem; line-height: 1; }
.bnav-label { font-size: .62rem; font-weight: 600; letter-spacing: .02em; }

/* ── Responsive ─────────────────────────────────────── */
@media (max-width: 600px) {
  .navbar { padding: 0 1rem; flex-wrap: wrap; height: auto; gap: .5rem; padding-top: .5rem; padding-bottom: .5rem; }
  .nav-search { max-width: 100%; margin: 0; order: 3; flex-basis: 100%; }
  .nav-actions { display: none; }
  .bottom-nav { display: flex; }
  .page { padding: 1.5rem 1rem 6rem; }
  .detail-title { font-size: 1.4rem; }
  .detail-card { padding: 1.25rem; }
  .detail-meta { gap: .4rem; font-size: .82rem; }
  .detail-body { font-size: .97rem; }
  .write-card { padding: 1.25rem; }
  .auth-card { padding: 1.75rem 1.25rem; }
  .profile-header { padding: 1.25rem; flex-direction: column; align-items: flex-start; }
  .profile-stats { gap: 1.5rem; }
  .card-meta { flex-wrap: wrap; }
  .card-date { margin-left: 0; }
  .author-card { padding: 1rem; gap: 1rem; }
  .feed-header { margin-bottom: 1.25rem; }
  .filter-bar { gap: .35rem; margin-bottom: 1.25rem; }
  .filter-chip { padding: .3rem .7rem; font-size: .78rem; }
  .genre-grid { grid-template-columns: repeat(auto-fill, minmax(90px, 1fr)); }
  #toast { bottom: 5rem; }
}