/* ============================================================
   LEXIS — style.css
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&family=Source+Serif+4:ital,opsz,wght@0,8..60,300;0,8..60,400;0,8..60,600;1,8..60,400&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg:        #FAF8F4;
  --surface:   #FFFFFF;
  --border:    #E8E2D9;
  --border-2:  #D5CEC2;
  --text:      #1A1714;
  --text-2:    #5C5550;
  --text-3:    #9A938C;
  --accent:    #C4703A;
  --accent-2:  #E8925C;
  --accent-bg: #FDF2EA;
  --highlight: #FFF3CD;
  --hl-border: #E8C547;
  --danger:    #B84A4A;
  --success:   #4A8B5C;
  --font-serif:   'Source Serif 4', Georgia, serif;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-mono:    'JetBrains Mono', monospace;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.12);
  --radius: 8px; --radius-lg: 16px; --transition: 180ms ease;
}

*,*::before,*::after { box-sizing:border-box; margin:0; padding:0; }
html { font-size:16px; scroll-behavior:smooth; }
body { font-family:var(--font-serif); background:var(--bg); color:var(--text); line-height:1.7; min-height:100vh; -webkit-font-smoothing:antialiased; }
a { color:inherit; text-decoration:none; }
button { cursor:pointer; font-family:inherit; border:none; background:none; }
input,textarea,select { font-family:inherit; }

/* ── Nav ─────────────────────────────────────────────────── */
.nav { position:sticky; top:0; z-index:100; background:rgba(250,248,244,.94); backdrop-filter:blur(12px); border-bottom:1px solid var(--border); padding:0 2rem; }
.nav-inner { max-width:1200px; margin:0 auto; display:flex; align-items:center; gap:1.5rem; height:60px; }
.nav-logo { font-family:var(--font-display); font-size:1.5rem; font-weight:700; color:var(--accent); letter-spacing:-.02em; }
.nav-logo span { color:var(--text-3); font-weight:400; font-size:.78rem; font-family:var(--font-mono); vertical-align:middle; margin-left:6px; }
.nav-link { font-family:var(--font-mono); font-size:.78rem; letter-spacing:.08em; text-transform:uppercase; color:var(--text-2); padding:6px 12px; border-radius:var(--radius); transition:all var(--transition); }
.nav-link:hover,.nav-link.active { background:var(--accent-bg); color:var(--accent); }
.nav-inner > div:last-child { margin-left:auto; }

/* ── Pages ───────────────────────────────────────────────── */
.page { display:none; }
.page.active { display:block; }
.container { max-width:1200px; margin:0 auto; padding:2.5rem 2rem; }

/* ── Page Header ─────────────────────────────────────────── */
.page-header { display:flex; align-items:flex-end; justify-content:space-between; margin-bottom:2.5rem; gap:1rem; flex-wrap:wrap; }
.page-title { font-family:var(--font-display); font-size:2.2rem; font-weight:700; line-height:1.2; }
.page-subtitle { font-size:.95rem; color:var(--text-3); margin-top:4px; font-style:italic; }

/* ── Buttons ─────────────────────────────────────────────── */
.btn { display:inline-flex; align-items:center; gap:8px; padding:10px 20px; border-radius:var(--radius); font-size:.875rem; font-weight:600; transition:all var(--transition); white-space:nowrap; }
.btn-primary { background:var(--accent); color:#fff; box-shadow:0 2px 8px rgba(196,112,58,.3); }
.btn-primary:hover { background:#B5632E; transform:translateY(-1px); }
.btn-secondary { background:var(--surface); color:var(--text-2); border:1px solid var(--border); }
.btn-secondary:hover { border-color:var(--accent); color:var(--accent); background:var(--accent-bg); }
.btn-danger { background:#FEF2F2; color:var(--danger); border:1px solid #FECACA; }
.btn-danger:hover { background:var(--danger); color:#fff; }
.btn-sm { padding:6px 14px; font-size:.8rem; }
.btn-icon { padding:8px; border-radius:6px; }

/* ── Toolbar ─────────────────────────────────────────────── */
.toolbar { display:flex; gap:12px; margin-bottom:2rem; flex-wrap:wrap; align-items:center; }
.search-wrap { position:relative; flex:1; min-width:200px; }
.search-wrap svg { position:absolute; left:12px; top:50%; transform:translateY(-50%); color:var(--text-3); pointer-events:none; }
.search-input { width:100%; padding:10px 12px 10px 38px; border:1px solid var(--border); border-radius:var(--radius); background:var(--surface); font-size:.9rem; color:var(--text); transition:border-color var(--transition); }
.search-input:focus { outline:none; border-color:var(--accent); box-shadow:0 0 0 3px rgba(196,112,58,.1); }
.select-field { padding:10px 14px; border:1px solid var(--border); border-radius:var(--radius); background:var(--surface); font-size:.875rem; color:var(--text-2); cursor:pointer; }
.select-field:focus { outline:none; border-color:var(--accent); }

/* ── Library Grid ────────────────────────────────────────── */
.texts-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(300px,1fr)); gap:1.5rem; }
.text-card { background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-lg); padding:1.5rem; cursor:pointer; transition:all var(--transition); position:relative; overflow:hidden; }
.text-card::before { content:''; position:absolute; top:0; left:0; width:4px; height:100%; background:var(--accent); opacity:0; transition:opacity var(--transition); }
.text-card:hover { border-color:var(--accent); box-shadow:var(--shadow-md); transform:translateY(-2px); }
.text-card:hover::before { opacity:1; }
.card-title { font-family:var(--font-display); font-size:1.1rem; font-weight:600; line-height:1.3; margin-bottom:.5rem; }
.card-preview { font-size:.87rem; color:var(--text-2); line-height:1.6; margin-bottom:1rem; display:-webkit-box; -webkit-line-clamp:3; -webkit-box-orient:vertical; overflow:hidden; }
.card-meta { display:flex; align-items:center; justify-content:space-between; font-family:var(--font-mono); font-size:.75rem; color:var(--text-3); }
.card-actions { display:flex; gap:6px; }
.badge { display:inline-flex; align-items:center; gap:4px; padding:3px 8px; border-radius:20px; font-family:var(--font-mono); font-size:.72rem; background:var(--accent-bg); color:var(--accent); font-weight:500; }

/* ── Empty State ─────────────────────────────────────────── */
.empty-state { text-align:center; padding:5rem 2rem; color:var(--text-3); }
.empty-state svg { margin:0 auto 1.5rem; opacity:.3; }
.empty-state h3 { font-family:var(--font-display); font-size:1.5rem; color:var(--text-2); margin-bottom:.5rem; }
.empty-state p { font-size:.95rem; margin-bottom:1.5rem; }

/* ── Modal ───────────────────────────────────────────────── */
.modal-overlay { position:fixed; inset:0; background:rgba(26,23,20,.5); backdrop-filter:blur(4px); z-index:1000; display:flex; align-items:center; justify-content:center; padding:1rem; opacity:0; pointer-events:none; transition:opacity 200ms ease; }
.modal-overlay.open { opacity:1; pointer-events:all; }
.modal { background:var(--surface); border-radius:var(--radius-lg); padding:2rem; width:100%; max-width:640px; max-height:90vh; overflow-y:auto; box-shadow:var(--shadow-lg); transform:translateY(16px); transition:transform 200ms ease; }
.modal-overlay.open .modal { transform:translateY(0); }
.modal-header { display:flex; align-items:center; justify-content:space-between; margin-bottom:1.5rem; }
.modal-title { font-family:var(--font-display); font-size:1.4rem; font-weight:700; }
.modal-close { width:32px; height:32px; border-radius:6px; display:flex; align-items:center; justify-content:center; color:var(--text-3); transition:all var(--transition); }
.modal-close:hover { background:var(--bg); color:var(--text); }

/* ── Modal Tabs ──────────────────────────────────────────── */
.modal-tabs { display:flex; gap:4px; margin-bottom:1.25rem; border-bottom:2px solid var(--border); }
.modal-tab { padding:8px 16px; font-size:.85rem; font-weight:600; color:var(--text-3); border-radius:6px 6px 0 0; border:none; background:none; cursor:pointer; transition:all var(--transition); margin-bottom:-2px; border-bottom:2px solid transparent; }
.modal-tab:hover { color:var(--text); background:var(--bg); }
.modal-tab.active { color:var(--accent); border-bottom-color:var(--accent); }
.modal-tab-content { display:none; }
.modal-tab-content.active { display:block; }

/* ── Form ────────────────────────────────────────────────── */
.form-group { margin-bottom:1.25rem; }
.form-label { display:block; font-family:var(--font-mono); font-size:.75rem; letter-spacing:.08em; text-transform:uppercase; color:var(--text-3); margin-bottom:6px; font-weight:500; }
.form-input,.form-textarea { width:100%; padding:10px 14px; border:1px solid var(--border); border-radius:var(--radius); background:var(--bg); font-size:.95rem; color:var(--text); transition:border-color var(--transition); }
.form-input:focus,.form-textarea:focus { outline:none; border-color:var(--accent); background:var(--surface); box-shadow:0 0 0 3px rgba(196,112,58,.1); }
.form-textarea { min-height:160px; line-height:1.6; resize:vertical; }
.form-textarea.tall { min-height:280px; }
.form-actions { display:flex; gap:10px; justify-content:flex-end; margin-top:1.5rem; }

/* ── Reader ──────────────────────────────────────────────── */
.reader-header { background:var(--surface); border-bottom:1px solid var(--border); padding:1rem 2rem; display:flex; align-items:center; gap:1rem; position:sticky; top:60px; z-index:50; }
.reader-back { display:flex; align-items:center; gap:6px; font-family:var(--font-mono); font-size:.78rem; letter-spacing:.06em; text-transform:uppercase; color:var(--text-3); transition:color var(--transition); }
.reader-back:hover { color:var(--accent); }
.reader-title-bar { flex:1; font-family:var(--font-display); font-size:1.1rem; font-weight:600; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }

/* ── Audio Player ────────────────────────────────────────── */
.audio-player { background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-lg); padding:1.25rem 1.5rem; margin-bottom:1.5rem; display:flex; flex-wrap:wrap; align-items:center; gap:1rem; }
.audio-controls { display:flex; gap:8px; align-items:center; }
.audio-btn { display:flex; align-items:center; justify-content:center; width:40px; height:40px; border-radius:50%; transition:all var(--transition); background:var(--bg); color:var(--text-2); border:1px solid var(--border); }
.audio-btn:hover { background:var(--accent-bg); color:var(--accent); border-color:var(--accent); }
.audio-settings { display:flex; flex-wrap:wrap; gap:10px; align-items:center; margin-left:auto; }
.audio-setting-group { display:flex; align-items:center; gap:6px; font-family:var(--font-mono); font-size:.75rem; color:var(--text-3); }
.audio-setting-group input[type=range] { width:80px; accent-color:var(--accent); }
.audio-setting-group select { padding:4px 8px; border:1px solid var(--border); border-radius:4px; background:var(--bg); font-size:.78rem; color:var(--text-2); max-width:180px; }
.audio-status { font-family:var(--font-mono); font-size:.72rem; color:var(--accent); min-width:70px; }

/* ── Reading Area ────────────────────────────────────────── */
.reader-content { max-width:720px; margin:0 auto; padding:3rem 2rem; }
.reader-meta { font-family:var(--font-mono); font-size:.75rem; color:var(--text-3); letter-spacing:.06em; text-transform:uppercase; margin-bottom:2.5rem; display:flex; gap:1.5rem; flex-wrap:wrap; }
.reading-text { font-size:1.1rem; line-height:1.9; color:var(--text); }
.reading-text p { margin-bottom:1.5rem; }
.word-token { cursor:pointer; border-radius:2px; padding:0 1px; transition:background var(--transition); }
.word-token:hover { background:var(--accent-bg); }
.word-token.noted { background:var(--highlight); border-bottom:2px solid var(--hl-border); }
.word-token.noted:hover { background:#FFE58F; }

/* ── Word Popup ──────────────────────────────────────────── */
#lexis-popup {
  display:none;
  position:absolute;
  z-index:9999;
  background:var(--surface);
  border:1.5px solid var(--border-2);
  border-radius:14px;
  box-shadow:0 8px 32px rgba(0,0,0,.18);
  padding:1rem 1.1rem;
  opacity:0;
  transition:opacity 150ms ease;
}
.wpop-header { display:flex; align-items:center; justify-content:space-between; margin-bottom:.6rem; }
.wpop-word { font-family:var(--font-display); font-size:1.3rem; font-weight:700; color:var(--accent); }
.wpop-close { width:26px; height:26px; border-radius:6px; display:flex; align-items:center; justify-content:center; font-size:.85rem; color:var(--text-3); transition:background var(--transition); }
.wpop-close:hover { background:var(--bg); color:var(--text); }
.wpop-translation { background:var(--accent-bg); border-radius:8px; padding:.6rem .8rem; margin-bottom:.7rem; min-height:36px; }
.wpop-tr-loading { font-size:.82rem; color:var(--text-3); font-style:italic; }
.wpop-tr-error   { font-size:.82rem; color:var(--danger); }
.wpop-tr-word { font-size:1.05rem; font-weight:600; color:var(--text); margin-bottom:2px; }
.wpop-tr-alt  { font-size:.78rem; color:var(--text-2); font-style:italic; line-height:1.4; }
.wpop-hint { font-size:.75rem; color:var(--success); margin-bottom:.4rem; font-style:italic; min-height:1rem; }
.wpop-textarea { width:100%; padding:7px 10px; border:1px solid var(--border); border-radius:7px; background:var(--bg); font-size:.875rem; font-family:var(--font-serif); color:var(--text); resize:none; min-height:68px; margin-bottom:.7rem; line-height:1.5; }
.wpop-textarea:focus { outline:none; border-color:var(--accent); }
.wpop-actions { display:flex; gap:8px; }

/* ── Vocab Page ──────────────────────────────────────────── */
.vocab-stats { display:grid; grid-template-columns:repeat(auto-fit,minmax(130px,1fr)); gap:1rem; margin-bottom:2.5rem; }
.stat-card { background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-lg); padding:1.25rem; text-align:center; }
.stat-number { font-family:var(--font-display); font-size:2rem; font-weight:700; color:var(--accent); line-height:1; }
.stat-label  { font-family:var(--font-mono); font-size:.72rem; text-transform:uppercase; letter-spacing:.08em; color:var(--text-3); margin-top:4px; }
.vocab-list  { display:flex; flex-direction:column; gap:10px; }
.vocab-item  { background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-lg); padding:1.25rem 1.5rem; display:grid; grid-template-columns:160px 1fr auto; gap:1rem; align-items:start; transition:box-shadow var(--transition); }
.vocab-item:hover { box-shadow:var(--shadow-sm); }
.vocab-word  { font-family:var(--font-display); font-size:1.15rem; font-weight:700; color:var(--accent); }
.vocab-note  { font-size:.9rem; color:var(--text-2); line-height:1.5; margin-bottom:6px; font-style:italic; }
.vocab-from  { font-family:var(--font-mono); font-size:.72rem; color:var(--text-3); }
.vocab-actions-col { display:flex; gap:6px; }

/* ── Loading / Toast ─────────────────────────────────────── */
.loading { text-align:center; padding:3rem; color:var(--text-3); font-family:var(--font-mono); font-size:.85rem; }
.spinner { width:24px; height:24px; border:2px solid var(--border); border-top-color:var(--accent); border-radius:50%; animation:spin 600ms linear infinite; margin:0 auto 1rem; }
@keyframes spin { to { transform:rotate(360deg); } }
.toast-container { position:fixed; bottom:1.5rem; right:1.5rem; z-index:9999; display:flex; flex-direction:column; gap:8px; }
.toast { background:var(--text); color:#fff; padding:10px 16px; border-radius:var(--radius); font-size:.875rem; box-shadow:var(--shadow-lg); animation:slideIn 200ms ease; display:flex; align-items:center; gap:8px; }
.toast.success { background:var(--success); }
.toast.error   { background:var(--danger); }
@keyframes slideIn { from{transform:translateX(100%);opacity:0} to{transform:translateX(0);opacity:1} }
@keyframes fadeOut { to{opacity:0;transform:translateX(100%)} }

/* ── Admin Nav ───────────────────────────────────────────── */
#nav-logout-btn { color:var(--success); border-color:var(--success); }
#nav-logout-btn:hover { background:#F0FDF4; }

/* ══════════════════════════════════════════════════════════
   MOBİL
   ══════════════════════════════════════════════════════════ */
@media (max-width: 640px) {
  .nav { padding:0 .75rem; }
  .nav-logo span { display:none; }
  .nav-link { padding:5px 8px; font-size:.72rem; }
  .container { padding:1.25rem .875rem; }
  .page-title { font-size:1.5rem; }
  .texts-grid { grid-template-columns:1fr; gap:1rem; }
  .text-card { padding:1.1rem; }
  .card-actions { display:flex !important; opacity:1; }
  .reader-header { padding:.75rem .875rem; top:60px; }
  .reader-title-bar { font-size:.92rem; }
  .audio-player { padding:.875rem 1rem; flex-direction:column; gap:.75rem; }
  .audio-settings { margin-left:0; }
  .audio-setting-group input[type=range] { width:65px; }
  .reader-content { padding:1.5rem .875rem; }
  .reading-text { font-size:1.05rem; line-height:1.85; }
  .word-token { padding:2px 1px; }
  /* Popup — bottom sheet on mobile */
  #lexis-popup {
    position:fixed !important;
    left:0 !important; right:0 !important;
    bottom:0 !important; top:auto !important;
    width:100% !important;
    border-radius:16px 16px 0 0 !important;
    box-shadow:0 -4px 32px rgba(0,0,0,.18) !important;
    padding:1.25rem 1.25rem 2rem;
    max-height:80vh; overflow-y:auto;
  }
  .vocab-stats { grid-template-columns:repeat(3,1fr); gap:.5rem; }
  .stat-card { padding:.875rem .5rem; }
  .stat-number { font-size:1.5rem; }
  .vocab-item { grid-template-columns:1fr; gap:.5rem; padding:1rem; }
  .vocab-actions-col { flex-direction:row; }
  .modal { padding:1.25rem; }
  .form-textarea.tall { min-height:200px; }
  .page-header { gap:.75rem; }
  .toolbar { gap:8px; }
  .select-field { font-size:.8rem; padding:8px 10px; }
}

@media (min-width:641px) and (max-width:900px) {
  .texts-grid { grid-template-columns:repeat(2,1fr); }
  .reader-content { padding:2rem 1.5rem; }
  .audio-player { flex-wrap:wrap; }
  .vocab-item { grid-template-columns:140px 1fr auto; }
}