@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

*,::before,::after{box-sizing:border-box;margin:0;padding:0}

/* ── LIGHT (default, knotchat-inspired warm) ── */
:root{
  --bg:#fff8f6;
  --surface:#ffffff;
  --surface2:#fff3f0;
  --border:#f0e0db;
  --border2:#e8cdc6;
  --primary:#e07a5f;
  --primary-dark:#c9614a;
  --primary-light:#fdf0ed;
  --primary-mid:#f8ddd8;
  --text:#1a1412;
  --text2:#6b5c58;
  --muted:#b09990;
  --danger:#dc2626;
  --success:#16a34a;
  --info:#2563eb;
  --msg-me-bg:#e07a5f;
  --msg-me-text:#ffffff;
  --msg-them-bg:#ffffff;
  --msg-them-text:#1a1412;
  --shadow:0 1px 4px rgba(224,122,95,.1);
  --shadow-md:0 4px 20px rgba(224,122,95,.12);
  --shadow-lg:0 8px 32px rgba(224,122,95,.16);
  --r:18px;--r-sm:12px;--r-xs:8px;
}

/* ── DARK ── */
[data-theme="dark"]{
  --bg:#1a100d;
  --surface:#251710;
  --surface2:#311f17;
  --border:#3d2218;
  --border2:#54302a;
  --primary-light:#2a150f;
  --primary-mid:#3d1f16;
  --text:#f5ede9;
  --text2:#c4958a;
  --muted:#7a4f48;
  --msg-them-bg:#311f17;
  --msg-them-text:#f5ede9;
  --shadow:0 1px 4px rgba(0,0,0,.3);
  --shadow-md:0 4px 20px rgba(0,0,0,.35);
}

html,body{height:100%;background:var(--bg);color:var(--text);font-family:'Inter',sans-serif;font-size:15px;line-height:1.5;overflow:hidden;transition:background .25s,color .25s}

/* ── SCREENS ── */
.screen{position:fixed;inset:0;display:none;overflow-y:auto;background:var(--bg);-webkit-overflow-scrolling:touch}
.screen.active{display:block}

/* ── PAGE TRANSITIONS ── */
.screen{opacity:0;transform:translateY(8px);transition:opacity .22s ease,transform .22s ease}
.screen.active{opacity:1;transform:translateY(0)}

/* ══════════════════════════════════════════
   HOME SCREEN
══════════════════════════════════════════ */
.home-page{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px 20px;gap:0}

/* Hamburger nav */
.home-nav{width:100%;max-width:420px;display:flex;align-items:center;justify-content:space-between;margin-bottom:32px}
.nav-menu-btn{background:none;border:none;cursor:pointer;color:var(--text2);padding:4px;display:flex;flex-direction:column;gap:4px}
.nav-menu-btn span{display:block;width:20px;height:2px;background:var(--text2);border-radius:2px;transition:all .2s}

/* Hero */
.hero{text-align:center;display:flex;flex-direction:column;align-items:center;gap:16px;width:100%;max-width:380px}

/* Logo */
.logo-wrap{position:relative;width:100px;height:100px;margin:0 auto 8px}
.logo-ring{position:absolute;inset:0;border-radius:50%;border:2px dashed var(--primary);opacity:.3;animation:spin 20s linear infinite}
.logo-ring2{position:absolute;inset:8px;border-radius:50%;border:1.5px dashed var(--primary);opacity:.2;animation:spin 14s linear infinite reverse}
@keyframes spin{to{transform:rotate(360deg)}}
.logo-circle{position:absolute;inset:14px;background:var(--primary);border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(224,122,95,.35)}

.hero-title{font-size:32px;font-weight:700;color:var(--text);letter-spacing:-0.5px;line-height:1.1}
.hero-sub{font-size:14px;color:var(--text2);font-weight:400;line-height:1.5;max-width:280px}

/* Online badge */
.online-pill{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;background:var(--primary-light);border:1px solid var(--primary-mid);border-radius:20px;font-size:12px;color:var(--primary);font-weight:600}
.online-dot{width:7px;height:7px;border-radius:50%;background:#16a34a;animation:blink 2s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.3}}

/* Mode tabs */
.mode-tabs{display:flex;background:var(--surface2);border:1.5px solid var(--border);border-radius:var(--r-sm);padding:4px;gap:3px;width:100%;max-width:380px}
.mode-tab{flex:1;padding:10px;border:none;border-radius:9px;font-family:'Inter',sans-serif;font-size:13px;font-weight:500;cursor:pointer;transition:all .18s;background:transparent;color:var(--text2);display:flex;align-items:center;justify-content:center;gap:7px}
.mode-tab.active{background:var(--primary);color:#fff;box-shadow:0 2px 8px rgba(224,122,95,.35)}

/* CTA button */
.cta-btn{width:100%;max-width:380px;padding:16px;background:var(--primary);border:none;border-radius:var(--r);color:#fff;font-family:'Inter',sans-serif;font-size:16px;font-weight:700;cursor:pointer;letter-spacing:.2px;transition:all .18s;box-shadow:0 4px 16px rgba(224,122,95,.4);position:relative;overflow:hidden}
.cta-btn::after{content:'';position:absolute;inset:0;background:white;opacity:0;transition:opacity .15s}
.cta-btn:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(224,122,95,.5)}
.cta-btn:active::after{opacity:.1}
.cta-btn:active{transform:scale(.98)}

/* Join input area */
.join-area{width:100%;max-width:380px;display:flex;flex-direction:column;gap:10px}
.or-row{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--muted);width:100%;max-width:380px}
.or-row::before,.or-row::after{content:'';flex:1;height:1px;background:var(--border)}

.code-inp{background:var(--surface);border:2px solid var(--border);border-radius:var(--r-sm);padding:13px 16px;font-size:18px;font-weight:700;letter-spacing:5px;text-align:center;color:var(--text);font-family:'Inter',sans-serif;outline:none;transition:border .18s;width:100%}
.code-inp:focus{border-color:var(--primary)}
.code-inp::placeholder{letter-spacing:2px;font-size:14px;font-weight:400;color:var(--muted)}

.join-btn{width:100%;padding:14px;background:var(--surface);border:2px solid var(--border);border-radius:var(--r-sm);color:var(--text2);font-family:'Inter',sans-serif;font-size:15px;font-weight:600;cursor:pointer;transition:all .18s}
.join-btn:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}

.features-row{display:flex;align-items:center;justify-content:center;gap:16px;font-size:11px;color:var(--muted);width:100%;max-width:380px}
.feat-item{display:flex;align-items:center;gap:4px}
.feat-item svg{color:var(--primary)}

/* Bottom nav drawer */
.nav-drawer{position:fixed;inset:0;z-index:100;display:none}
.nav-drawer.open{display:block}
.nav-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.4)}
.nav-panel{position:absolute;top:0;left:0;width:280px;height:100%;background:var(--surface);padding:24px 20px;display:flex;flex-direction:column;gap:4px;box-shadow:var(--shadow-lg);transform:translateX(-100%);transition:transform .25s ease}
.nav-drawer.open .nav-panel{transform:translateX(0)}
.nav-panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--border)}
.nav-panel-logo{display:flex;align-items:center;gap:10px}
.nav-panel-logo span{font-size:16px;font-weight:700;color:var(--text)}
.nav-close{background:none;border:none;cursor:pointer;color:var(--text2);font-size:20px;padding:2px}
.nav-link{display:flex;align-items:center;gap:12px;padding:12px 10px;border-radius:10px;font-size:14px;color:var(--text2);cursor:pointer;transition:all .15s;font-weight:500;border:none;background:none;width:100%;text-align:left;font-family:'Inter',sans-serif}
.nav-link:hover{background:var(--primary-light);color:var(--primary)}
.nav-divider{height:1px;background:var(--border);margin:8px 0}
.theme-toggle-row{display:flex;align-items:center;justify-content:space-between;padding:12px 10px}
.toggle-label{font-size:14px;color:var(--text2);font-weight:500}
.toggle-switch{width:44px;height:24px;border-radius:12px;background:var(--primary);border:none;cursor:pointer;position:relative;transition:background .2s}
.toggle-switch::after{content:'';position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:#fff;transition:transform .2s;box-shadow:0 1px 3px rgba(0,0,0,.2)}
[data-theme="dark"] .toggle-switch::after{transform:translateX(20px)}

/* Error */
.err-toast{position:fixed;top:20px;left:50%;transform:translateX(-50%);background:var(--danger);color:#fff;padding:10px 18px;border-radius:10px;font-size:13px;font-weight:500;z-index:200;display:none;box-shadow:var(--shadow-md);animation:toastIn .2s ease}
@keyframes toastIn{from{opacity:0;transform:translateX(-50%) translateY(-8px)}to{opacity:1;transform:translateX(-50%) translateY(0)}}

/* Group size */
.size-chips{display:flex;gap:8px;width:100%;max-width:380px}
.sz-chip{flex:1;padding:9px;background:var(--surface2);border:1.5px solid var(--border);border-radius:9px;font-size:13px;font-weight:600;color:var(--text2);cursor:pointer;transition:all .15s;font-family:'Inter',sans-serif}
.sz-chip:hover{border-color:var(--primary)}
.sz-chip.active{background:var(--primary-light);border-color:var(--primary);color:var(--primary)}

/* ══════════════════════════════════════════
   SHARE SCREEN
══════════════════════════════════════════ */
.share-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}
.share-card{background:var(--surface);border-radius:var(--r);padding:28px 24px;width:100%;max-width:400px;display:flex;flex-direction:column;gap:18px;box-shadow:var(--shadow-md);border:1px solid var(--border)}
.share-head{text-align:center;display:flex;flex-direction:column;align-items:center;gap:8px}
.share-head h2{font-size:22px;font-weight:700;color:var(--text)}
.share-head p{font-size:13px;color:var(--text2);line-height:1.5}
.info-blk{background:var(--surface2);border:1px solid var(--border);border-radius:var(--r-sm);padding:13px 15px}
.blk-lbl{font-size:10px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.8px;margin-bottom:8px}
.copy-row{display:flex;align-items:center;gap:8px}
.copy-link{font-size:12px;color:var(--primary);flex:1;word-break:break-all;font-weight:500}
.copy-btn{padding:5px 13px;background:var(--primary);border:none;border-radius:7px;color:#fff;font-size:12px;font-weight:600;cursor:pointer;white-space:nowrap;transition:opacity .15s;font-family:'Inter',sans-serif}
.copy-btn:hover{opacity:.88}
.copy-btn.ok{background:var(--success)}
.big-code{font-size:30px;font-weight:800;letter-spacing:6px;color:var(--primary);text-align:center;padding:14px;background:var(--primary-light);border:2px dashed var(--primary-mid);border-radius:var(--r-sm);margin-top:6px}
.qr-center{display:flex;justify-content:center}
.qr-img{width:140px;height:140px;border-radius:12px;border:4px solid var(--surface);box-shadow:var(--shadow-md)}
.share-pills{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.share-pill{display:flex;align-items:center;justify-content:center;gap:7px;padding:11px;background:var(--surface2);border:1.5px solid var(--border);border-radius:var(--r-sm);font-size:13px;color:var(--text2);cursor:pointer;font-weight:500;transition:all .15s;font-family:'Inter',sans-serif}
.share-pill:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}
.back-link{background:none;border:none;color:var(--muted);font-size:13px;cursor:pointer;padding:6px;width:100%;text-align:center;font-family:'Inter',sans-serif;transition:color .15s}
.back-link:hover{color:var(--text2)}

/* ══════════════════════════════════════════
   CHAT SCREEN
══════════════════════════════════════════ */
.chat-screen{height:100vh;display:flex;flex-direction:column}

/* Header */
.chat-hdr{display:flex;align-items:center;gap:10px;padding:10px 14px;background:var(--surface);border-bottom:1px solid var(--border);flex-shrink:0;box-shadow:var(--shadow)}
.hdr-back{width:36px;height:36px;border-radius:10px;background:var(--surface2);border:1.5px solid var(--border);display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text2);transition:all .15s;flex-shrink:0}
.hdr-back:hover{border-color:var(--primary);color:var(--primary)}

.hdr-room{display:flex;align-items:center;gap:10px;flex:1}
.room-avatar{width:38px;height:38px;border-radius:12px;background:var(--primary);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:18px}
.room-name{font-size:14px;font-weight:700;color:var(--text);line-height:1.2}
.room-status{font-size:11px;color:var(--muted);margin-top:1px}
.room-status.live{color:var(--success)}

.hdr-actions{display:flex;gap:6px}
.hdr-btn{width:34px;height:34px;border-radius:9px;background:var(--surface2);border:1.5px solid var(--border);display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text2);transition:all .15s}
.hdr-btn:hover{border-color:var(--primary);color:var(--primary)}
.hdr-btn:disabled{opacity:.3;cursor:not-allowed}

/* Chat body */
.chat-body{flex:1;overflow:hidden;display:flex;position:relative}
.msgs-wrap{flex:1;overflow-y:auto;padding:12px 14px;display:flex;flex-direction:column;gap:6px;scroll-behavior:smooth}
.msgs-wrap::-webkit-scrollbar{width:3px}
.msgs-wrap::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}

/* Empty state */
.empty-state{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:32px;text-align:center}
.empty-illus{opacity:.2}
.empty-title{font-size:16px;font-weight:600;color:var(--text2)}
.empty-sub{font-size:13px;color:var(--muted);line-height:1.6;max-width:220px}

/* Date separator */
.date-sep{display:flex;align-items:center;gap:10px;font-size:11px;color:var(--muted);font-weight:500;margin:6px 0}
.date-sep::before,.date-sep::after{content:'';flex:1;height:1px;background:var(--border)}

/* System msg */
.sys-row{align-self:center;font-size:11px;color:var(--text2);background:var(--surface2);border:1px solid var(--border);border-radius:20px;padding:4px 13px;font-weight:500;max-width:80%;text-align:center}

/* Message rows */
.msg-group{display:flex;flex-direction:column;gap:2px;margin-bottom:4px}
.msg-row{display:flex;align-items:flex-end;gap:6px;animation:msgIn .18s ease}
@keyframes msgIn{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}
.msg-row.me{flex-direction:row-reverse}
.msg-row.them{}
.msg-av{width:28px;height:28px;border-radius:50%;background:var(--primary);display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;color:#fff;flex-shrink:0;align-self:flex-end}
.msg-content{display:flex;flex-direction:column;max-width:72%}
.msg-row.me .msg-content{align-items:flex-end}
.msg-nick{font-size:10px;font-weight:600;color:var(--primary);margin-bottom:2px;padding:0 4px}

.bubble{padding:9px 13px;border-radius:16px;font-size:14px;line-height:1.55;word-break:break-word;position:relative;cursor:pointer}
.me .bubble{background:var(--msg-me-bg);color:var(--msg-me-text);border-bottom-right-radius:4px}
.them .bubble{background:var(--msg-them-bg);color:var(--msg-them-text);border-bottom-left-radius:4px;border:1.5px solid var(--border);box-shadow:var(--shadow)}

/* Reply preview inside bubble */
.reply-preview{background:rgba(0,0,0,.08);border-left:3px solid rgba(255,255,255,.5);border-radius:6px;padding:5px 8px;margin-bottom:5px;font-size:11px;opacity:.8}
.me .reply-preview{border-left-color:rgba(255,255,255,.5)}
.them .reply-preview{background:var(--primary-light);border-left-color:var(--primary)}
.reply-name{font-weight:600;margin-bottom:1px}

/* Deleted message */
.bubble.deleted{opacity:.5;font-style:italic;font-size:13px}
.edited-mark{font-size:10px;opacity:.6;margin-left:4px}

.msg-footer{display:flex;align-items:center;gap:4px;margin-top:2px;padding:0 2px}
.msg-row.me .msg-footer{flex-direction:row-reverse}
.msg-ts{font-size:10px;color:var(--muted)}
.msg-status{font-size:11px;color:var(--muted)}
.msg-status.delivered{color:var(--primary)}
.msg-status.read{color:var(--primary)}

/* Reactions */
.reactions{display:flex;gap:3px;flex-wrap:wrap;margin-top:3px}
.reaction-pill{display:inline-flex;align-items:center;gap:2px;padding:2px 7px;background:var(--surface2);border:1.5px solid var(--border);border-radius:20px;font-size:12px;cursor:pointer;transition:all .15s;font-weight:500}
.reaction-pill:hover,.reaction-pill.mine{background:var(--primary-light);border-color:var(--primary)}
.reaction-count{font-size:10px;color:var(--text2)}

/* File bubble */
.file-bbl{padding:10px 12px;border-radius:14px;max-width:240px}
.me .file-bbl{background:var(--primary);border-bottom-right-radius:4px}
.them .file-bbl{background:var(--msg-them-bg);border:1.5px solid var(--border);border-bottom-left-radius:4px;box-shadow:var(--shadow)}
.fb-row{display:flex;align-items:center;gap:10px}
.fb-ico{width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}
.me .fb-ico{background:rgba(255,255,255,.2)}
.them .fb-ico{background:var(--primary-light)}
.fb-name{font-size:13px;font-weight:600;word-break:break-word}
.me .fb-name{color:#fff}
.them .fb-name{color:var(--text)}
.fb-size{font-size:10px;margin-top:1px}
.me .fb-size{color:rgba(255,255,255,.7)}
.them .fb-size{color:var(--muted)}
.fb-dl{width:100%;margin-top:8px;padding:7px;border-radius:9px;font-size:12px;font-weight:600;cursor:pointer;transition:all .15s;display:flex;align-items:center;justify-content:center;gap:6px;font-family:'Inter',sans-serif}
.me .fb-dl{background:rgba(255,255,255,.2);border:1.5px solid rgba(255,255,255,.3);color:#fff}
.me .fb-dl:hover{background:rgba(255,255,255,.3)}
.them .fb-dl{background:var(--primary-light);border:1.5px solid var(--primary-mid);color:var(--primary)}
.them .fb-dl:hover{background:var(--primary);color:#fff}

/* Image bubble */
.img-bbl{border-radius:14px;overflow:hidden;max-width:220px;cursor:pointer}
.me .img-bbl{border-bottom-right-radius:4px}
.them .img-bbl{border-bottom-left-radius:4px;border:1.5px solid var(--border)}
.img-bbl img{width:100%;display:block;max-height:200px;object-fit:cover}

/* Voice message */
.voice-bbl{padding:10px 14px;border-radius:14px;display:flex;align-items:center;gap:10px;min-width:180px}
.me .voice-bbl{background:var(--primary);border-bottom-right-radius:4px}
.them .voice-bbl{background:var(--msg-them-bg);border:1.5px solid var(--border);border-bottom-left-radius:4px}
.voice-play{width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0;border:none;transition:all .15s}
.me .voice-play{background:rgba(255,255,255,.25);color:#fff}
.them .voice-play{background:var(--primary);color:#fff}
.voice-play:hover{transform:scale(1.08)}
.voice-wave{flex:1;height:24px;display:flex;align-items:center;gap:2px}
.wave-bar{width:3px;border-radius:2px;background:currentColor;transition:height .1s}
.me .wave-bar{color:rgba(255,255,255,.6)}
.them .wave-bar{color:var(--primary)}
.voice-dur{font-size:11px;font-weight:500}
.me .voice-dur{color:rgba(255,255,255,.8)}
.them .voice-dur{color:var(--muted)}

/* Typing indicator */
.typing-row{display:flex;align-items:center;gap:8px;padding:4px 14px;min-height:28px}
.typing-text{font-size:12px;color:var(--muted);font-style:italic}
.typing-dots{display:flex;gap:3px;align-items:center}
.typing-dots span{width:5px;height:5px;border-radius:50%;background:var(--muted);animation:tdot 1.2s infinite}
.typing-dots span:nth-child(2){animation-delay:.2s}
.typing-dots span:nth-child(3){animation-delay:.4s}
@keyframes tdot{0%,60%,100%{transform:scale(1);opacity:.5}30%{transform:scale(1.3);opacity:1}}

/* Context menu */
.ctx-menu{position:fixed;background:var(--surface);border:1.5px solid var(--border);border-radius:12px;padding:6px;box-shadow:var(--shadow-lg);z-index:50;min-width:160px;display:none}
.ctx-menu.show{display:block}
.ctx-item{display:flex;align-items:center;gap:10px;padding:8px 12px;border-radius:8px;font-size:13px;color:var(--text2);cursor:pointer;transition:all .12s;font-weight:500;border:none;background:none;width:100%;font-family:'Inter',sans-serif}
.ctx-item:hover{background:var(--primary-light);color:var(--primary)}
.ctx-item.danger:hover{background:#fef2f2;color:var(--danger)}

/* React picker */
.react-picker{position:fixed;background:var(--surface);border:1.5px solid var(--border);border-radius:16px;padding:10px 12px;box-shadow:var(--shadow-lg);z-index:51;display:none;gap:6px}
.react-picker.show{display:flex}
.react-btn{font-size:22px;cursor:pointer;padding:4px;border-radius:8px;transition:transform .15s;border:none;background:none}
.react-btn:hover{transform:scale(1.3)}

/* Reply bar */
.reply-bar{padding:8px 14px;background:var(--primary-light);border-top:1px solid var(--primary-mid);display:none;align-items:center;gap:8px}
.reply-bar.show{display:flex}
.reply-bar-content{flex:1;font-size:12px}
.reply-bar-name{font-weight:600;color:var(--primary);margin-bottom:1px}
.reply-bar-text{color:var(--text2)}
.reply-bar-close{background:none;border:none;color:var(--muted);cursor:pointer;font-size:16px;padding:2px}

/* File preview bar */
.file-prev-bar{padding:8px 14px;background:var(--surface);border-top:1px solid var(--border);display:none}
.file-prev-bar.show{display:block}
.file-prev-inner{display:flex;align-items:center;gap:8px;background:var(--primary-light);border:1.5px solid var(--primary-mid);border-radius:10px;padding:8px 12px}
.fp-ico{font-size:16px}
.fp-name{font-size:13px;color:var(--primary);flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:500}
.fp-size{font-size:11px;color:var(--muted);white-space:nowrap}
.fp-x{background:none;border:none;color:var(--muted);cursor:pointer;font-size:16px;line-height:1;padding:0 2px;transition:color .15s}
.fp-x:hover{color:var(--danger)}

/* Input bar */
.input-bar{padding:10px 12px 14px;background:var(--surface);border-top:1px solid var(--border);flex-shrink:0}
.input-row{display:flex;align-items:flex-end;gap:8px;background:var(--surface2);border:2px solid var(--border);border-radius:var(--r);padding:6px 6px 6px 14px;transition:border .18s}
.input-row:focus-within{border-color:var(--primary)}
.msg-textarea{flex:1;background:none;border:none;outline:none;font-size:14px;color:var(--text);font-family:'Inter',sans-serif;resize:none;max-height:100px;line-height:1.5;padding:4px 0;min-height:24px}
.msg-textarea::placeholder{color:var(--muted)}
.msg-textarea:disabled{cursor:not-allowed;opacity:.4}
.input-actions{display:flex;align-items:center;gap:4px}
.inp-btn{width:32px;height:32px;border-radius:9px;background:none;border:none;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--muted);transition:all .15s}
.inp-btn:hover{color:var(--primary);background:var(--primary-light)}

/* Record button */
.rec-btn{width:32px;height:32px;border-radius:50%;background:var(--surface2);border:1.5px solid var(--border);display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--muted);transition:all .15s}
.rec-btn:hover{border-color:var(--primary);color:var(--primary)}
.rec-btn.recording{background:var(--danger);border-color:var(--danger);color:#fff;animation:recPulse 1s infinite}
@keyframes recPulse{0%,100%{box-shadow:0 0 0 0 rgba(220,38,38,.4)}50%{box-shadow:0 0 0 6px rgba(220,38,38,0)}}

/* Send button */
.send-btn{width:38px;height:38px;border-radius:12px;background:var(--primary);border:none;display:flex;align-items:center;justify-content:center;cursor:pointer;color:#fff;transition:all .18s;flex-shrink:0}
.send-btn:hover{background:var(--primary-dark);transform:scale(1.05)}
.send-btn:active{transform:scale(.95)}
.send-btn:disabled{opacity:.3;cursor:not-allowed;transform:none}
.send-btn.ready{animation:sendReady .3s ease}
@keyframes sendReady{0%{transform:scale(1)}50%{transform:scale(1.1)}100%{transform:scale(1)}}

/* Emoji picker */
.emoji-picker-wrap{position:fixed;bottom:80px;left:14px;right:14px;background:var(--surface);border:1.5px solid var(--border);border-radius:var(--r-sm);padding:12px;box-shadow:var(--shadow-lg);z-index:40;display:none;max-height:200px;overflow-y:auto}
.emoji-picker-wrap.show{display:block}
.emoji-grid{display:flex;flex-wrap:wrap;gap:4px}
.ep-emoji{font-size:24px;cursor:pointer;padding:4px;border-radius:8px;transition:transform .15s;border:none;background:none;line-height:1}
.ep-emoji:hover{transform:scale(1.3)}

/* Sidebar */
.sidebar{position:fixed;top:0;right:-272px;width:260px;height:100%;background:var(--surface);border-left:1px solid var(--border);z-index:30;transition:right .25s ease;display:flex;flex-direction:column;box-shadow:var(--shadow-md)}
.sidebar.open{right:0}
.sb-overlay{position:fixed;inset:0;background:rgba(0,0,0,.3);z-index:29;display:none}
.sb-overlay.show{display:block}
.sb-hdr{padding:16px;border-bottom:1px solid var(--border);font-size:13px;font-weight:700;color:var(--text);margin-top:56px}
.sb-sec{padding:12px 16px;border-bottom:1px solid var(--border)}
.sb-lbl{font-size:10px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.8px;margin-bottom:10px}
.m-item{display:flex;align-items:center;gap:8px;padding:5px 0;font-size:13px;color:var(--text2)}
.m-av{width:28px;height:28px;border-radius:50%;background:var(--primary);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;color:#fff;flex-shrink:0}
.m-you{font-size:10px;color:var(--success);font-weight:600;margin-left:auto}
.sb-file{display:flex;align-items:center;gap:8px;padding:7px;background:var(--surface2);border:1px solid var(--border);border-radius:9px;margin-bottom:6px}
.sbf-ico{font-size:15px}
.sbf-nm{font-size:11px;font-weight:500;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sbf-mt{font-size:10px;color:var(--muted);margin-top:1px}
.sbf-dl{background:none;border:none;color:var(--primary);cursor:pointer;font-size:14px;padding:2px 4px}
.no-items{font-size:12px;color:var(--muted)}
.sb-foot{padding:14px;margin-top:auto}
.end-btn{width:100%;display:flex;align-items:center;justify-content:center;gap:7px;padding:11px;background:#fff0f0;border:1.5px solid rgba(220,38,38,.2);border-radius:10px;color:var(--danger);font-family:'Inter',sans-serif;font-size:13px;font-weight:600;cursor:pointer;transition:all .18s}
.end-btn:hover{background:var(--danger);color:#fff;border-color:var(--danger)}

/* Edit input */
.edit-input{position:fixed;bottom:0;left:0;right:0;background:var(--surface);border-top:2px solid var(--primary);padding:10px 14px;display:none;z-index:40;gap:8px;align-items:center}
.edit-input.show{display:flex}
.edit-input input{flex:1;background:var(--surface2);border:1.5px solid var(--border);border-radius:9px;padding:9px 12px;font-size:14px;color:var(--text);outline:none;font-family:'Inter',sans-serif}
.edit-input input:focus{border-color:var(--primary)}
.edit-save{padding:8px 16px;background:var(--primary);border:none;border-radius:9px;color:#fff;font-family:'Inter',sans-serif;font-size:13px;font-weight:600;cursor:pointer}
.edit-cancel{padding:8px 12px;background:var(--surface2);border:1.5px solid var(--border);border-radius:9px;color:var(--text2);font-family:'Inter',sans-serif;font-size:13px;cursor:pointer}

/* Loading spinner */
.spinner{width:20px;height:20px;border:2.5px solid var(--primary-mid);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite;margin:0 auto}
@keyframes spin{to{transform:rotate(360deg)}}

/* Call overlay */
.call-overlay{position:fixed;inset:0;background:rgba(0,0,0,.9);z-index:100;display:none;align-items:center;justify-content:center;padding:20px}
.call-overlay.show{display:flex}
.call-box{background:var(--surface);border-radius:var(--r);padding:20px;width:100%;max-width:420px;display:flex;flex-direction:column;gap:16px;align-items:center}
.call-vids{position:relative;width:100%;background:#000;border-radius:14px;overflow:hidden;min-height:240px}
.remote-vid{width:100%;height:260px;object-fit:cover}
.local-vid{position:absolute;bottom:10px;right:10px;width:80px;height:64px;object-fit:cover;border-radius:8px;border:2px solid var(--surface)}
.call-status{font-size:13px;color:var(--text2);font-weight:500}
.call-ctrls{display:flex;gap:14px;align-items:center}
.cc-btn{width:46px;height:46px;border-radius:50%;background:var(--surface2);border:1.5px solid var(--border);display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text2);transition:all .15s}
.cc-btn:hover{border-color:var(--primary);color:var(--primary)}
.cc-btn.off{background:#fff0f0;border-color:var(--danger);color:var(--danger)}
.cc-end{width:54px;height:54px;border-radius:50%;background:var(--danger);border:none;display:flex;align-items:center;justify-content:center;cursor:pointer;color:#fff}
.cc-end:hover{opacity:.88}

/* Incoming call */
.incoming-call{position:fixed;top:20px;left:50%;transform:translateX(-50%);background:var(--surface);border:2px solid var(--primary);border-radius:var(--r);padding:16px 20px;box-shadow:var(--shadow-lg);z-index:99;display:none;min-width:260px;text-align:center}
.incoming-call.show{display:block}
.ic-name{font-size:15px;font-weight:700;color:var(--text);margin-bottom:4px}
.ic-sub{font-size:12px;color:var(--text2);margin-bottom:14px}
.ic-btns{display:flex;gap:10px;justify-content:center}
.ic-accept{flex:1;padding:10px;background:var(--success);border:none;border-radius:10px;color:#fff;font-family:'Inter',sans-serif;font-size:13px;font-weight:600;cursor:pointer}
.ic-reject{flex:1;padding:10px;background:var(--danger);border:none;border-radius:10px;color:#fff;font-family:'Inter',sans-serif;font-size:13px;font-weight:600;cursor:pointer}

/* Mobile fix */
@media(max-width:480px){
  .home-page{gap:0;padding:20px 16px;justify-content:flex-start;padding-top:16px}
  .home-nav{margin-bottom:0}
  .hero{gap:6px;flex:0.1;justify-content:flex-start;}
  .bubble{font-size:13.5px}
  .msg-content{max-width:78%}
  .sidebar{width:80%;right:-80%}
}