/* ===== Telegram Dark Theme — Full ===== */
:root {
  --bg:       #17212b;
  --bg2:      #232e3c;
  --bg3:      #1c2733;
  --hover:    #2b3c4e;
  --active:   #2b5278;
  --msg-out:  #2b5278;
  --msg-in:   #182533;
  --accent:   #5288c1;
  --accentH:  #6a9fd1;
  --txt:      #d1d5db;
  --txt2:     #a8b8c8;
  --muted:    #6b7a8d;
  --white:    #ffffff;
  --border:   #293d52;
  --div:      #1d2d3e;
  --online:   #4dcd5e;
  --inp:      #213040;
  --scroll:   #3d5568;
  --shadow:   rgba(0,0,0,.45);
  --r:        12px;
  --r2:       8px;
  --font:     -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;font-family:var(--font);background:var(--bg);color:var(--txt);font-size:14px;line-height:1.5;overflow:hidden}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
button{cursor:pointer;border:none;outline:none;font-family:var(--font)}
input,textarea,select{font-family:var(--font);outline:none}
::-webkit-scrollbar{width:5px;height:5px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--scroll);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:var(--accent)}

/* ─── Auth ─────────────────────────────────── */
.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg);padding:20px;overflow:auto}
.auth-container{background:var(--bg2);border-radius:16px;padding:40px;width:100%;max-width:400px;box-shadow:0 20px 60px var(--shadow)}
.auth-logo{text-align:center;margin-bottom:20px}.auth-logo svg{width:70px;height:70px}
.auth-title{text-align:center;font-size:22px;font-weight:700;color:var(--white);margin-bottom:6px}
.auth-subtitle{text-align:center;color:var(--txt2);font-size:13px;margin-bottom:24px;line-height:1.6}
.auth-step{display:none}.auth-step.active{display:block}
.input-group{margin-bottom:14px}
.input-group label{display:block;font-size:11px;font-weight:600;color:var(--txt2);text-transform:uppercase;letter-spacing:.6px;margin-bottom:5px}
.input-group input{width:100%;background:var(--inp);border:1.5px solid var(--border);border-radius:var(--r2);padding:12px 14px;color:var(--white);font-size:15px;transition:border-color .2s}
.input-group input:focus{border-color:var(--accent)}
.input-group input::placeholder{color:var(--muted)}
.phone-input-wrapper{display:flex;gap:8px}
.country-code-select{background:var(--inp);border:1.5px solid var(--border);border-radius:var(--r2);color:var(--white);font-size:14px;padding:12px 8px;width:96px;flex-shrink:0;cursor:pointer;transition:border-color .2s}
.country-code-select:focus{border-color:var(--accent)}
.btn-primary{width:100%;background:var(--accent);color:#fff;border-radius:var(--r2);padding:13px;font-size:15px;font-weight:600;transition:background .2s,transform .1s;letter-spacing:.3px}
.btn-primary:hover{background:var(--accentH)}.btn-primary:active{transform:scale(.98)}
.btn-primary:disabled{background:var(--muted);cursor:not-allowed}
.btn-secondary{background:transparent;color:var(--accent);font-size:14px;padding:8px;transition:color .2s}
.btn-secondary:hover{color:var(--accentH)}
.auth-error{background:rgba(231,76,60,.13);border:1px solid rgba(231,76,60,.4);border-radius:var(--r2);color:#e74c3c;padding:10px 14px;font-size:13px;margin-bottom:12px;display:none}
.auth-error.show{display:block}
.code-inputs{display:flex;gap:8px;justify-content:center;margin-bottom:18px}
.code-digit{width:48px;height:56px;text-align:center;font-size:22px;font-weight:700;background:var(--inp);border:1.5px solid var(--border);border-radius:var(--r2);color:var(--white);transition:border-color .2s}
.code-digit:focus{border-color:var(--accent)}
.resend-hint{text-align:center;margin-bottom:10px}
.loading-spinner{display:inline-block;width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;vertical-align:middle;margin-right:6px}
@keyframes spin{to{transform:rotate(360deg)}}

/* ─── Layout ───────────────────────────────── */
.app-layout{display:flex;height:100vh;overflow:hidden;background:var(--bg)}

/* ─── Sidebar ──────────────────────────────── */
.sidebar{width:340px;min-width:260px;background:var(--bg2);display:flex;flex-direction:column;border-right:1px solid var(--div);flex-shrink:0;transition:transform .25s}
.sidebar-header{display:flex;align-items:center;padding:12px 14px;border-bottom:1px solid var(--div);gap:8px;flex-shrink:0}
.sidebar-user{display:flex;align-items:center;gap:10px;flex:1;min-width:0}
.sidebar-title{font-size:16px;font-weight:600;color:var(--white);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sidebar-header-btns{display:flex;gap:4px}

.search-bar{padding:8px 12px;border-bottom:1px solid var(--div);flex-shrink:0}
.search-input-wrapper{position:relative;display:flex;align-items:center}
.search-icon{position:absolute;left:10px;color:var(--muted);pointer-events:none;flex-shrink:0}
.search-input{width:100%;background:var(--inp);border:1px solid transparent;border-radius:20px;padding:8px 12px 8px 34px;color:var(--white);font-size:14px;transition:border-color .2s}
.search-input:focus{border-color:var(--accent)}
.search-input::placeholder{color:var(--muted)}

.dialogs-list{flex:1;overflow-y:auto;overflow-x:hidden}
.list-loader{padding:30px;text-align:center}

.dialog-item{display:flex;align-items:center;gap:12px;padding:10px 14px;cursor:pointer;transition:background .12s;position:relative;user-select:none}
.dialog-item:hover{background:var(--hover)}
.dialog-item.active{background:var(--active)}
.dialog-item.active .dialog-name{color:#fff}
.dialog-item.active .online-dot{border-color:var(--active)}

/* Avatar */
.avatar{width:48px;height:48px;border-radius:50%;flex-shrink:0;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;color:#fff;background:var(--accent);user-select:none}
.avatar img{width:100%;height:100%;object-fit:cover;position:absolute;top:0;left:0}
.avatar.size-36{width:36px;height:36px;font-size:14px}
.avatar.size-40{width:40px;height:40px;font-size:15px}
.online-dot{position:absolute;bottom:2px;right:2px;width:11px;height:11px;background:var(--online);border-radius:50%;border:2px solid var(--bg2)}

.dialog-info{flex:1;min-width:0}
.dialog-name-row{display:flex;align-items:baseline;justify-content:space-between;gap:6px}
.dialog-name{font-size:14px;font-weight:500;color:var(--white);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1}
.dialog-time{font-size:11px;color:var(--muted);flex-shrink:0}
.dialog-preview-row{display:flex;align-items:center;justify-content:space-between;margin-top:2px}
.dialog-preview{font-size:13px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1}
.unread-badge{background:var(--accent);color:#fff;font-size:11px;font-weight:700;border-radius:10px;padding:1px 6px;min-width:20px;text-align:center;flex-shrink:0;margin-left:6px}
.type-badge{display:inline-block;background:var(--accent);color:#fff;font-size:9px;padding:1px 4px;border-radius:3px;letter-spacing:.4px;margin-left:4px;vertical-align:middle;opacity:.85}
.muted-icon{color:var(--muted);font-size:12px;margin-right:2px}

/* ─── Chat Panel ───────────────────────────── */
.chat-panel{flex:1;display:flex;flex-direction:column;background:var(--bg);overflow:hidden;min-width:0}

.chat-empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--muted);gap:10px}
.empty-icon{opacity:.3}
.empty-text{font-size:17px;font-weight:500;color:var(--txt2)}
.empty-sub{font-size:13px;color:var(--muted)}

.chat-header{display:flex;align-items:center;gap:10px;padding:10px 14px;background:var(--bg2);border-bottom:1px solid var(--div);flex-shrink:0}
.chat-header-info{flex:1;min-width:0}
.chat-header-name{font-size:16px;font-weight:600;color:var(--white);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chat-header-status{font-size:12px;color:var(--muted);margin-top:1px}
.chat-header-actions{display:flex;gap:4px}

/* ─── Messages ─────────────────────────────── */
.messages-container{flex:1;overflow-y:auto;padding:12px 16px;display:flex;flex-direction:column;gap:1px;background:var(--bg)}

.date-sep{text-align:center;margin:12px 0 4px;position:sticky;top:0;z-index:1}
.date-sep span{background:rgba(23,33,43,.85);color:var(--txt2);font-size:12px;padding:3px 12px;border-radius:12px;backdrop-filter:blur(4px)}

.msg-group{display:flex;flex-direction:column;margin-bottom:2px}
.msg-group.out{align-items:flex-end}
.msg-group.in{align-items:flex-start}

.msg-row{display:flex;align-items:flex-end;gap:6px;max-width:72%}
.msg-group.out .msg-row{flex-direction:row-reverse}

.msg-avatar-wrap{flex-shrink:0;margin-bottom:2px}
.msg-group.out .msg-avatar-wrap{display:none}

.msg-bubble{background:var(--msg-in);border-radius:14px 14px 14px 4px;padding:7px 11px;position:relative;min-width:56px;max-width:100%;word-break:break-word}
.msg-group.out .msg-bubble{background:var(--msg-out);border-radius:14px 14px 4px 14px}

.msg-sender{font-size:12px;font-weight:700;color:var(--accent);margin-bottom:3px}
.msg-text{font-size:14px;color:var(--txt);line-height:1.5;white-space:pre-wrap;overflow-wrap:anywhere}
.msg-text a{color:var(--accentH)}
.msg-footer{display:flex;align-items:center;justify-content:flex-end;gap:4px;margin-top:3px}
.msg-time{font-size:11px;color:var(--muted)}
.msg-read{font-size:11px;color:var(--accentH)}

.fwd-tag{border-left:2px solid var(--accent);padding-left:7px;margin-bottom:6px;font-size:12px;color:var(--accent)}
.reply-tag{border-left:2px solid var(--accent);padding:3px 8px;margin-bottom:5px;font-size:12px;color:var(--txt2);background:rgba(82,136,193,.1);border-radius:0 4px 4px 0;cursor:pointer}

/* ─── Media ────────────────────────────────── */
.msg-media{margin-bottom:4px;border-radius:var(--r2);overflow:hidden}

.msg-photo{max-width:280px;max-height:280px;width:100%;height:auto;object-fit:cover;cursor:zoom-in;transition:opacity .15s;border-radius:var(--r2);display:block}
.msg-photo:hover{opacity:.88}

.msg-video-wrap{position:relative;max-width:300px;border-radius:var(--r2);overflow:hidden;cursor:pointer;background:#000}
.msg-video-thumb{width:100%;max-height:200px;object-fit:cover;display:block;opacity:.85}
.play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:rgba(0,0,0,.55);border-radius:50%;width:52px;height:52px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;pointer-events:none}
.vid-dur{position:absolute;bottom:7px;right:8px;background:rgba(0,0,0,.6);color:#fff;font-size:11px;padding:2px 6px;border-radius:4px}

.msg-doc{display:flex;align-items:center;gap:10px;min-width:180px;padding:2px 0}
.doc-ico{width:40px;height:40px;border-radius:50%;background:var(--accent);display:flex;align-items:center;justify-content:center;color:#fff;font-size:15px;flex-shrink:0}
.doc-info{flex:1;min-width:0}
.doc-name{font-size:13px;color:var(--white);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.doc-size{font-size:11px;color:var(--muted);margin-top:1px}

.msg-audio{display:flex;align-items:center;gap:10px;min-width:180px}
.aud-btn{width:40px;height:40px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;flex-shrink:0;transition:background .15s}
.aud-btn:hover{background:var(--accentH)}
.aud-info{flex:1;min-width:0}
.aud-title{font-size:13px;color:var(--white);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.aud-sub{font-size:11px;color:var(--muted);margin-top:1px}

.msg-sticker img{width:120px;height:120px;object-fit:contain}

/* İndirme butonu */
.dl-btn{display:inline-flex;align-items:center;gap:5px;background:rgba(82,136,193,.18);color:var(--accent);border-radius:6px;padding:5px 10px;font-size:12px;font-weight:600;cursor:pointer;border:1px solid rgba(82,136,193,.3);margin-top:5px;text-decoration:none;transition:background .15s}
.dl-btn:hover{background:rgba(82,136,193,.32);text-decoration:none}
.dl-btn svg{width:13px;height:13px}

.wp-preview{border-left:3px solid var(--accent);padding:5px 9px;margin-top:4px;background:rgba(82,136,193,.07);border-radius:0 5px 5px 0}
.wp-title{font-size:13px;font-weight:600;color:var(--accent)}
.wp-desc{font-size:12px;color:var(--txt2);margin-top:2px}
.wp-url{font-size:11px;color:var(--muted);margin-top:2px}

/* ─── Input Area ───────────────────────────── */
.message-input-area{background:var(--bg2);border-top:1px solid var(--div);padding:10px 14px;display:flex;align-items:flex-end;gap:10px;flex-shrink:0}
.message-input-wrapper{flex:1;background:var(--inp);border:1px solid var(--border);border-radius:22px;display:flex;align-items:flex-end;padding:6px 14px;transition:border-color .2s}
.message-input-wrapper:focus-within{border-color:var(--accent)}
.message-textarea{flex:1;background:transparent;border:none;color:var(--white);font-size:15px;resize:none;max-height:120px;overflow-y:auto;line-height:1.5;padding:4px 0}
.message-textarea::placeholder{color:var(--muted)}

/* ─── Buttons ──────────────────────────────── */
.icon-btn{background:transparent;color:var(--txt2);width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:background .15s,color .15s}
.icon-btn:hover{background:var(--hover);color:var(--white)}
.send-btn{width:42px;height:42px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .15s,transform .1s}
.send-btn:hover{background:var(--accentH)}.send-btn:active{transform:scale(.92)}
.send-btn:disabled{background:var(--muted);cursor:not-allowed}
.back-btn{display:none}

/* ─── Loader ───────────────────────────────── */
.msg-loading{display:flex;justify-content:center;padding:24px}
.dot-loader{display:flex;gap:6px;align-items:center}
.dot-loader span{width:8px;height:8px;background:var(--accent);border-radius:50%;animation:dbounce 1.2s infinite}
.dot-loader span:nth-child(2){animation-delay:.2s}.dot-loader span:nth-child(3){animation-delay:.4s}
@keyframes dbounce{0%,80%,100%{transform:scale(.6);opacity:.5}40%{transform:scale(1);opacity:1}}
.load-more-btn{display:block;width:100%;text-align:center;padding:10px;color:var(--accent);background:transparent;font-size:13px;cursor:pointer;border-radius:var(--r2);transition:background .15s}
.load-more-btn:hover{background:var(--hover)}

/* ─── Lightbox ─────────────────────────────── */
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.92);display:flex;align-items:center;justify-content:center;z-index:1000;cursor:zoom-out}
.lightbox img{max-width:95vw;max-height:95vh;object-fit:contain;border-radius:4px}
.lightbox-close{position:absolute;top:16px;right:20px;color:#fff;font-size:28px;cursor:pointer;background:none;opacity:.8;line-height:1}
.lightbox-close:hover{opacity:1}

/* ─── Toast ────────────────────────────────── */
.toast-container{position:fixed;bottom:22px;right:22px;display:flex;flex-direction:column;gap:8px;z-index:2000}
.toast{background:var(--bg3);color:var(--txt);border-left:3px solid var(--accent);border-radius:var(--r2);padding:10px 16px;font-size:13px;box-shadow:0 4px 20px var(--shadow);animation:slideIn .3s ease;min-width:200px;max-width:340px}
.toast.error{border-left-color:#e74c3c}.toast.success{border-left-color:var(--online)}
@keyframes slideIn{from{transform:translateX(110%);opacity:0}to{transform:translateX(0);opacity:1}}

/* ─── Responsive ───────────────────────────── */
@media(max-width:768px){
  .sidebar{position:fixed;left:0;top:0;bottom:0;z-index:100;width:100%;max-width:100%;transform:translateX(0);transition:transform .25s}
  .sidebar.hidden{transform:translateX(-100%)}
  .chat-panel{min-width:0;width:100%}
  .back-btn{display:flex!important}
  .msg-row{max-width:92%}
}