/* ══ UNIFIED MODAL SYSTEM (scrim + sheet are siblings — never opacity-animate the root) ══ */
.modal-root{position:fixed;top:0;left:0;right:0;bottom:0;width:100vw;height:100vh;height:100dvh;
  min-height:-webkit-fill-available;margin:0;padding:0;border:none;overflow:visible;
  visibility:hidden;pointer-events:none;transition:visibility 0s linear var(--modal-dur);z-index:100;}
.modal-root.open{visibility:visible;pointer-events:auto;transition:visibility 0s;}
.modal-root--drawer{z-index:100;}
.modal-root--dialog{z-index:110;}
.modal-root--word{z-index:300;}
.modal-root--about{z-index:500;}
.modal-root--install{z-index:1400;}
.modal-root--ann{z-index:9000;}
.modal-root--dialog .modal-scrim{transition-timing-function:cubic-bezier(.82,0,.68,1);}
.modal-root--dialog.open .modal-scrim{transition-timing-function:var(--modal-scrim-ease);}
.modal-root--align-bottom{display:flex;align-items:flex-end;justify-content:center;}
.modal-root--align-center{display:flex;align-items:center;justify-content:center;padding:20px;}
.modal-root--pad-bottom{padding-bottom:calc(12px + env(safe-area-inset-bottom,0px));}
.modal-root--pad-guide{padding:16px;padding-bottom:calc(16px + env(safe-area-inset-bottom,0px));}
.modal-scrim{position:absolute;top:0;left:0;right:0;bottom:0;width:100%;height:100%;margin:0;padding:0;border:none;
  background:transparent;transition:background-color var(--modal-dur) var(--modal-scrim-ease);-webkit-tap-highlight-color:transparent;}
/* backdrop dim — darkens page behind transient UI (not glass) */
.modal-root.open .modal-scrim{background:var(--modal-scrim);}
.modal-sheet{position:relative;z-index:1;transition:transform var(--modal-dur) var(--modal-ease);}
/* Glass sheet shell: shadow on shell (no filter — filter breaks backdrop-blur on surface) */
.glass-sheet-shell{position:relative;overflow:visible;border-radius:var(--glass-sheet-radius,25px);
  box-shadow:var(--modal-panel-shadow);}
.glass-sheet-shell .glass-sheet-surface{border-radius:inherit;--glass-elevation:0 0 0 transparent;}

/* Word card modal */
.word-modal{width:100%;max-width:600px;overflow:visible;padding:0;background:transparent;border:none;
  transform:translateY(110%);}
.word-modal.glass-sheet-shell{--glass-sheet-radius:25px 25px 0 0;--modal-panel-shadow:0 -14px 52px rgba(0,0,0,0.38);}
.word-modal .word-modal-surface{max-height:88vh;overflow-y:auto;
  padding:24px 20px calc(40px + env(safe-area-inset-bottom,0px));overscroll-behavior:none;}
.modal-root.open .word-modal{transform:translateY(0);}
.word-modal-handle{display:flex;align-items:center;justify-content:center;width:100%;min-height:32px;margin:0 0 4px;cursor:pointer;}
.word-modal-handle::before{content:'';width:40px;height:4px;background:var(--surf3);border-radius:99px;transition:background .15s;}
.word-modal-handle:hover::before{background:var(--muted);}
.word-modal-close{float:right;background:none;border:none;color:var(--muted);
  font-size:1.2rem;cursor:pointer;padding:0 0 8px 8px;}

/* ── SCREENS ── */
.screen{width:100%;max-width:600px;}
.screen.hidden{display:none!important;}
.hidden{display:none!important;}

/* ── SETTINGS DRAWER ── */
.drawer{position:fixed;bottom:calc(12px + var(--tab-h) + env(safe-area-inset-bottom,0px));left:50%;
  transform:translateX(-50%) translateY(calc(100% + 40px));
  width:calc(100% - 24px);max-width:560px;z-index:1;overscroll-behavior:none;}
body.tabs-hidden .drawer{bottom:calc(12px + env(safe-area-inset-bottom,0px));}
.drawer .glass-sheet-surface{padding:18px 18px 24px;}
.modal-root.open .drawer{transform:translateX(-50%) translateY(0);}
.drawer-handle{display:flex;align-items:center;justify-content:center;width:100%;min-height:28px;margin:0 0 6px;cursor:pointer;}
.drawer-handle::before{content:'';width:44px;height:5px;background:rgba(255,255,255,.15);border-radius:999px;transition:background .15s;}
.drawer-handle:hover::before{background:rgba(255,255,255,.28);}
.drawer-title{font-family:-apple-system,BlinkMacSystemFont,'SF Pro Display',system-ui,sans-serif;font-size:1.25rem;font-weight:700;color:var(--text);margin-bottom:20px;}
.drawer-section{margin-bottom:22px;}
.drawer-section-label{font-size:.63rem;text-transform:uppercase;letter-spacing:.14em;
  color:var(--muted);margin-bottom:10px;font-weight:700;}
.option-row{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;}
.lang-select{display:none;}
/* ── Custom lang dropdown ── */
.lang-dd{position:relative;width:100%;user-select:none;z-index:1;}
.lang-dd.open{z-index:20;}
.lang-dd-trigger{display:flex;align-items:center;justify-content:space-between;gap:10px;width:100%;padding:11px 16px;
  font-family:inherit;font-size:.88rem;font-weight:600;color:var(--text);cursor:pointer;
  transition:border-color .15s;direction:ltr;box-sizing:border-box;}
.lang-dd.open .lang-dd-trigger{border-color:var(--gold-ring);--glass-bg:rgba(232,201,122,.07);}
.lang-dd-trigger-text{display:flex;align-items:center;gap:8px;}
.lang-dd-chevron{width:14px;height:14px;flex-shrink:0;transition:transform .2s ease,color .15s;color:rgba(255,255,255,.4);}
.lang-dd.open .lang-dd-chevron{transform:rotate(180deg);color:var(--gold);}
.lang-dd-panel{display:none;position:absolute;top:calc(100% + 8px);left:0;right:0;--glass-radius:20px;padding:4px;overflow:hidden;z-index:999;direction:ltr;}
.lang-dd.open .lang-dd-panel{display:block;}
.lang-dd-option{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:14px;font-family:inherit;font-size:.86rem;font-weight:600;color:var(--muted);cursor:pointer;transition:color .15s ease,background .15s ease,border-color .15s ease;border:1px solid transparent;}
.lang-dd-option:hover{color:var(--text);background:rgba(255,255,255,.06);}
.lang-dd-option.active{color:#000;border-color:var(--gold-ring);background:rgb(212 175 90);}
.drawer-divider{height:1px;background:rgba(255,255,255,.07);margin:4px 0 22px;}
.about-modal{width:min(calc(100% - 24px),480px);overflow:visible;padding:0;background:transparent;border:none;
  transform:translateY(calc(100% + 24px));}
.about-modal .about-modal-surface{padding:24px 22px 32px;max-height:80vh;overflow-y:auto;}
.modal-root.open .about-modal{transform:translateY(0);}
.about-modal h3{font-family:-apple-system,BlinkMacSystemFont,'SF Pro Display',system-ui,sans-serif;color:var(--gold);font-size:1.15rem;margin:0 0 16px;}
.about-modal p{font-size:.85rem;line-height:1.7;color:var(--text);margin:0 0 12px;}
#about-p4{font-style:italic;}
.about-modal a{color:var(--gold);text-decoration:none;font-weight:600;}
.about-modal a:hover{text-decoration:underline;}
.about-modal-close{width:100%;padding:13px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.09);
  border-radius:25px;font-family:'Outfit','Vazirmatn',sans-serif;font-size:.9rem;font-weight:600;color:var(--text);
  cursor:pointer;margin-top:16px;transition:background .15s;}
.about-modal-close:hover{background:rgba(255,255,255,.11);}
.settings-footer{text-align:start;padding:12px 0 8px;}
.settings-footer p{margin:0;line-height:1.6;}
#footer-msg{font-size:.8rem;color:var(--muted);font-style:italic;opacity:.8;}
#footer-copy{font-size:.68rem;color:var(--muted);opacity:.4;margin-top:3px;}
.opt-btn{padding:10px 4px;border-radius:25px;border:1.5px solid rgba(255,255,255,.09);
  background:rgba(255,255,255,.04);font-family:'Outfit','Vazirmatn',sans-serif;font-size:.78rem;font-weight:600;
  color:var(--muted);cursor:pointer;transition:border-color .15s,background .15s,color .15s;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:4px;min-height:60px;width:100%;line-height:1.2;}
.opt-btn:hover{border-color:rgba(232,201,122,.3);color:var(--text);}
.opt-btn.active{border-color:var(--gold);background:rgba(232,201,122,.1);color:var(--gold);}
.opt-btn.active.blue{border-color:var(--blue);background:rgba(126,184,247,.1);color:var(--blue);}
.opt-btn.active.purple{border-color:var(--purple);background:rgba(196,160,247,.1);color:var(--purple);}
.opt-btn.active.green{border-color:var(--green);background:rgba(107,232,160,.1);color:var(--green);}
.drawer-footer-row{display:flex;gap:10px;margin-top:8px;}
.drawer-close{flex:1;padding:13px;background:var(--gold);border:none;border-radius:25px;
  font-family:inherit;font-size:.9rem;font-weight:700;color:#0b0d13;
  cursor:pointer;transition:opacity .15s;}
.drawer-close:hover{opacity:.88;}
.drawer-about-row{flex:1;padding:13px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.09);border-radius:25px;
  font-family:'Outfit','Vazirmatn',sans-serif;font-size:.9rem;font-weight:600;color:var(--text);
  cursor:pointer;transition:background .15s;text-align:center;}
.drawer-about-row:hover{background:rgba(255,255,255,.10);}
/* ── APP DIALOG (matches settings drawer) ── */
.app-dialog{position:fixed;bottom:calc(12px + var(--tab-h) + env(safe-area-inset-bottom,0px));left:50%;
  transform:translateX(-50%) translateY(calc(100% + 40px));
  width:calc(100% - 24px);max-width:560px;z-index:1;overscroll-behavior:none;transition-timing-function:cubic-bezier(.64,0,.78,0);}
body.tabs-hidden .app-dialog{bottom:calc(12px + env(safe-area-inset-bottom,0px));}
.app-dialog .glass-sheet-surface{padding:18px 18px 24px;}
.modal-root--dialog.open .app-dialog{transform:translateX(-50%) translateY(0);transition-timing-function:var(--modal-ease);}
.app-dialog-handle{display:flex;align-items:center;justify-content:center;width:100%;min-height:28px;margin:0 0 6px;cursor:pointer;}
.app-dialog-handle::before{content:'';width:44px;height:5px;background:rgba(255,255,255,.15);border-radius:999px;transition:background .15s;}
.app-dialog-handle:hover::before{background:rgba(255,255,255,.28);}
.app-dialog-title{font-family:-apple-system,BlinkMacSystemFont,'SF Pro Display',system-ui,sans-serif;font-size:1.2rem;font-weight:700;color:var(--text);margin-bottom:12px;}
.app-dialog-message{font-size:.85rem;line-height:1.6;color:var(--muted);margin:0 0 20px;white-space:pre-line;}
.app-dialog-footer-row{display:flex;gap:10px;margin-top:4px;}
.app-dialog-btn-primary{flex:1;padding:13px;background:var(--gold);border:none;border-radius:25px;
  font-family:inherit;font-size:.9rem;font-weight:700;color:#0b0d13;
  cursor:pointer;transition:opacity .15s;}
.app-dialog-btn-primary:hover{opacity:.88;}
.app-dialog-btn-cancel{flex:1;padding:13px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.09);border-radius:25px;
  font-family:'Outfit','Vazirmatn',sans-serif;font-size:.9rem;font-weight:600;color:var(--text);
  cursor:pointer;transition:background .15s;text-align:center;}
.app-dialog-btn-cancel:hover{background:rgba(255,255,255,.10);}
.app-dialog.single .app-dialog-btn-cancel{display:none;}
.app-dialog.single .app-dialog-btn-primary{flex:1;width:100%;}