/* ================================================================
   PLANSAL — MENTORLUKSOHBET SAYFASI STİLLERİ
   ================================================================ */

/* ===== Orijinal satır 10-187 ===== */
        :root{--color-primary:#4f46e5;--color-primary-hover:#4338ca;--color-primary-light:#e0e7ff;--color-primary-lighter:#eef2ff;--color-primary-border:#c7d2fe;--color-primary-shadow:rgba(79,70,229,0.2);--color-primary-shadow-md:rgba(79,70,229,0.3);--color-success:#28a745;--color-success-hover:#218838;--color-success-light:#d4edda;--color-success-border:#c3e6cb;--color-success-shadow:rgba(40,167,69,0.3);--color-danger:#d9534f;--color-danger-hover:#c9302c;--color-danger-light:#ffeaea;--color-danger-border:#ffc2c2;--color-warning:#ffc107;--color-bg-page:#f3f4f6;--color-bg-card:#ffffff;--color-bg-input:#f8f9fa;--color-bg-hover:#e0e7ff;--color-text-main:#1f2937;--color-text-secondary:#374151;--color-text-muted:#6b7280;--color-text-light:#9ca3af;--color-text-placeholder:#9ca3af;--color-border:#e5e7eb;--color-border-medium:#d1d5db;--color-border-strong:#9ca3af;--shadow-xs:0 2px 4px rgba(0,0,0,0.04);--shadow-sm:0 2px 4px rgba(0,0,0,0.1);--shadow-md:0 4px 10px rgba(0,0,0,0.1);--shadow-card:0 8px 20px rgba(0,0,0,0.06);--shadow-modal:0 10px 30px rgba(0,0,0,0.2);--shadow-primary:0 4px 10px var(--color-primary-shadow);--radius-xs:4px;--radius-sm:6px;--radius-md:8px;--radius-lg:12px;--radius-xl:20px;--radius-full:50%;--transition-fast:all 0.2s ease;--transition-base:all 0.3s ease;}
        *{box-sizing:border-box;margin:0;padding:0;font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif;}
        body{background:radial-gradient(ellipse at top right, #e0e7ff, #f3f4f6 50%, #ede9fe 100%);color:var(--color-text-main);height:100vh;display:flex;flex-direction:column;overflow:hidden;}

        .header{display:flex;justify-content:space-between;align-items:center;background-color:rgba(255,255,255,0.7);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);padding:14px 25px;box-shadow:0 10px 30px rgba(0,0,0,0.10),0 4px 10px rgba(0,0,0,0.05);margin:20px auto 15px auto;width:calc(100% - 40px);max-width:1400px;border-radius:var(--radius-lg);position:sticky;top:20px;z-index:100;flex-shrink:0;}
        .header-left{display:flex;align-items:center;gap:15px;}
        .logo-container{display:flex;align-items:center;gap:10px;cursor:pointer;transition:transform 0.2s;}
        .logo-container:hover{transform:scale(1.02);}
        .logo-icon{width:28px;height:28px;background:linear-gradient(135deg,#4f46e5 0%,#3b82f6 100%);color:white;border-radius:var(--radius-full);display:flex;justify-content:center;align-items:center;font-size:13px;box-shadow:0 4px 10px rgba(79,70,229,0.3);}
        .logo-text{font-size:16px;font-weight:700;color:var(--color-text-main);letter-spacing:0.5px;}
        .header-center-title{position:absolute;left:50%;transform:translateX(-50%);font-size:22px;font-weight:900;color:var(--color-text-main);display:flex;align-items:center;gap:8px;}
        .btn-outline{background-color:rgba(255,255,255,0.6);color:var(--color-primary);border:2px solid var(--color-primary);padding:8px 16px;border-radius:var(--radius-md);font-size:13px;font-weight:700;cursor:pointer;transition:var(--transition-base);}
        .btn-outline:hover{background-color:var(--color-primary);color:#fff;box-shadow:0 4px 15px rgba(79,70,229,0.3);transform:translateY(-2px);}
        .btn-primary{background:linear-gradient(135deg,#4f46e5 0%,#3b82f6 100%);color:#fff;border:none;padding:8px 16px;border-radius:var(--radius-md);font-size:13px;font-weight:700;cursor:pointer;transition:var(--transition-base);box-shadow:0 4px 15px rgba(79,70,229,0.3);}
        .btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(79,70,229,0.4);}
        .menu-btn{display:flex;align-items:center;gap:10px;font-size:24px;color:var(--color-text-secondary);background:none;border:none;cursor:pointer;transition:color 0.2s,transform 0.2s;padding:5px 10px;}
        .menu-text{font-size:16px;font-weight:700;}.menu-btn:hover{color:var(--color-primary);transform:scale(1.05);}

        /* SOHBETLER header butonu */
        .header-chat-btn{position:relative;display:flex;align-items:center;gap:8px;padding:8px 14px;border-radius:var(--radius-md);background:rgba(79,70,229,0.08);color:var(--color-primary);font-weight:800;font-size:13px;text-decoration:none;border:1.5px solid var(--color-primary-border);transition:var(--transition-fast);cursor:pointer;}
        .header-chat-btn:hover{background:var(--color-primary);color:#fff;transform:translateY(-2px);box-shadow:0 4px 12px rgba(79,70,229,0.25);}
        .header-chat-btn.active-chat{background:var(--color-primary);color:#fff;box-shadow:0 4px 12px rgba(79,70,229,0.25);}
        .chat-unread-badge{position:absolute;top:-7px;right:-7px;min-width:20px;height:20px;background:var(--color-danger);color:#fff;border-radius:10px;font-size:11px;font-weight:800;display:flex;align-items:center;justify-content:center;padding:0 6px;border:2px solid #fff;box-shadow:0 2px 6px rgba(217,83,79,0.4);animation:pulseBadge 1.6s ease-in-out infinite;}
        @keyframes pulseBadge{0%,100%{transform:scale(1);}50%{transform:scale(1.12);}}

        .template-content{width:calc(100% - 40px);max-width:1400px;margin:10px auto 20px auto;flex:1;min-height:0;background-color:rgba(255,255,255,0.85);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-radius:var(--radius-xl);box-shadow:0 15px 40px rgba(0,0,0,0.12),0 5px 15px rgba(0,0,0,0.06);border:1px solid rgba(255,255,255,0.6);display:flex;flex-direction:column;overflow:hidden;}
        .template-inner{flex:1;min-height:0;display:flex;flex-direction:column;overflow:hidden;}

        .ad-space-left,.ad-space-right{position:fixed;top:50%;transform:translateY(-50%);width:10vw;height:600px;max-height:80vh;background:rgba(255,255,255,0.4);backdrop-filter:blur(8px);border:2px dashed rgba(79,70,229,0.15);border-radius:12px;display:flex;flex-direction:column;justify-content:center;align-items:center;z-index:50;color:#9ca3af;font-weight:800;font-size:16px;text-align:center;}
        .ad-space-left{left:20px;}.ad-space-right{right:20px;}
        @media(max-width:900px){.ad-space-left,.ad-space-right{display:none!important;}}

        .menu-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:rgba(0,0,0,0.4);backdrop-filter:blur(3px);z-index:4000;opacity:0;visibility:hidden;transition:var(--transition-base);}
        .menu-overlay.show{opacity:1;visibility:visible;}
        .side-menu{position:fixed;top:0;right:-320px;width:300px;height:100vh;background-color:var(--color-bg-card);box-shadow:-5px 0 25px rgba(0,0,0,0.1);z-index:4001;transition:right 0.3s cubic-bezier(0.25,0.8,0.25,1);display:flex;flex-direction:column;}
        .side-menu.open{right:0;}
        .side-menu-header{display:flex;justify-content:space-between;align-items:center;padding:20px 25px;border-bottom:1px solid rgba(79,70,229,0.1);background:linear-gradient(135deg,#eef2ff 0%,#f0f4ff 100%);}
        .side-menu-header h2{font-size:18px;font-weight:800;color:var(--color-primary);display:flex;align-items:center;gap:10px;}
        .close-menu-btn{font-family:Arial,sans-serif;font-weight:300;font-size:26px;color:var(--color-text-light);cursor:pointer;transition:all 0.2s;line-height:1;background:var(--color-bg-input);border:none;width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;padding:1px 0 0 0;}
        .close-menu-btn:hover{background:var(--color-danger-light);color:var(--color-danger);}
        .side-menu-content{padding:20px;display:flex;flex-direction:column;gap:10px;overflow-y:auto;}
        .menu-item{display:flex;align-items:center;gap:15px;padding:12px 15px;color:var(--color-text-secondary);text-decoration:none;font-size:14px;font-weight:700;border-radius:10px;transition:var(--transition-fast);background-color:#fcfcfc;border:1px solid transparent;}
        .menu-item:hover{background-color:var(--color-primary-lighter);color:var(--color-primary);border-color:var(--color-primary-border);transform:translateX(5px);}
        .menu-item i{font-size:16px;color:var(--color-primary);width:20px;text-align:center;}
        .menu-item.active-page{background-color:var(--color-primary-lighter);color:var(--color-primary);border-color:var(--color-primary-border);}

        .page-loader{position:fixed;top:0;left:0;width:100%;height:100%;background:radial-gradient(circle at center,#ffffff,#e0e7ff);z-index:9999;display:flex;justify-content:center;align-items:center;transition:opacity 0.5s,visibility 0.5s;}
        .page-loader.hidden{opacity:0;visibility:hidden;}
        .loader-content{display:flex;flex-direction:column;align-items:center;gap:15px;animation:floatLoader 2s infinite ease-in-out;}
        .loader-logo{width:70px;height:70px;font-size:30px;box-shadow:0 8px 25px rgba(79,70,229,0.3);}
        .loader-title{font-size:26px;font-weight:800;color:#1e1b4b;letter-spacing:-0.5px;margin-top:5px;}
        .loader-text{font-size:13px;font-weight:600;color:#6b7280;margin-top:5px;letter-spacing:0.5px;}
        .spinner{width:40px;height:40px;border:4px solid rgba(79,70,229,0.1);border-top:4px solid var(--color-primary);border-radius:var(--radius-full);animation:spin 1s linear infinite;margin-top:5px;}
        @keyframes spin{100%{transform:rotate(360deg);}}
        @keyframes floatLoader{0%{transform:translateY(0);}50%{transform:translateY(-10px);}100%{transform:translateY(0);}}

        /* ==================== CHAT LAYOUT ==================== */
        .chat-layout{flex:1;min-height:0;width:100%;display:grid;grid-template-columns:320px 1fr;gap:0;overflow:hidden;}

        /* --- SOL: Sohbet Listesi --- */
        .chat-sidebar{display:flex;flex-direction:column;border-right:1px solid var(--color-border);background:rgba(255,255,255,0.5);min-height:0;}
        .chat-sidebar-header{padding:20px 20px 15px 20px;border-bottom:1px solid var(--color-border);flex-shrink:0;}
        .chat-sidebar-header h3{font-size:17px;font-weight:800;color:var(--color-text-main);display:flex;align-items:center;gap:10px;}
        .chat-sidebar-header h3 i{color:var(--color-primary);}
        .chat-search-wrap{margin-top:12px;position:relative;}
        .chat-search{width:100%;padding:9px 12px 9px 36px;border-radius:var(--radius-md);border:1px solid var(--color-border);background:var(--color-bg-input);font-size:13px;font-family:inherit;transition:var(--transition-fast);outline:none;}
        .chat-search:focus{border-color:var(--color-primary);background:#fff;box-shadow:0 0 0 3px var(--color-primary-lighter);}
        .chat-search-wrap i{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--color-text-light);font-size:13px;}

        .chat-list{flex:1;overflow-y:auto;padding:8px;}
        .chat-list::-webkit-scrollbar{width:6px;}
        .chat-list::-webkit-scrollbar-thumb{background:var(--color-primary-border);border-radius:6px;}
        .chat-list::-webkit-scrollbar-thumb:hover{background:var(--color-primary);}

        .chat-item{display:flex;align-items:center;gap:12px;padding:12px 12px;border-radius:10px;cursor:pointer;transition:var(--transition-fast);position:relative;margin-bottom:4px;border:1px solid transparent;}
        .chat-item:hover{background:var(--color-primary-lighter);}
        .chat-item.active{background:var(--color-primary-lighter);border-color:var(--color-primary-border);box-shadow:0 2px 8px rgba(79,70,229,0.08);}
        .chat-item.inactive-mentorship{opacity:0.75;}
        .chat-item.inactive-mentorship .ci-avatar{filter:grayscale(40%);}

        .ci-avatar{width:44px;height:44px;border-radius:var(--radius-full);display:flex;justify-content:center;align-items:center;font-size:17px;font-weight:800;color:#fff;flex-shrink:0;box-shadow:var(--shadow-xs);position:relative;}
        .ci-avatar-dot{position:absolute;bottom:0;right:0;width:12px;height:12px;border-radius:50%;background:var(--color-text-light);border:2px solid #fff;}
        .ci-avatar-dot.active{background:var(--color-success);}
        .ci-info{flex:1;min-width:0;}
        .ci-name-row{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:3px;}
        .ci-name{font-size:14px;font-weight:800;color:var(--color-text-main);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
        .ci-time{font-size:11px;color:var(--color-text-muted);font-weight:700;flex-shrink:0;}
        .ci-preview-row{display:flex;justify-content:space-between;align-items:center;gap:8px;}
        .ci-preview{font-size:12px;color:var(--color-text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1;min-width:0;}
        .ci-preview.unread{color:var(--color-text-main);font-weight:700;}
        .ci-unread-badge{min-width:20px;height:20px;padding:0 6px;border-radius:10px;background:var(--color-primary);color:#fff;font-size:11px;font-weight:800;display:flex;align-items:center;justify-content:center;flex-shrink:0;box-shadow:0 2px 6px rgba(79,70,229,0.35);}
        .ci-inactive-badge{font-size:10px;font-weight:800;padding:2px 7px;border-radius:10px;background:var(--color-bg-input);color:var(--color-text-muted);border:1px solid var(--color-border);flex-shrink:0;}

        .chat-list-empty{text-align:center;padding:40px 20px;color:var(--color-text-muted);}
        .chat-list-empty i{font-size:38px;color:var(--color-border-strong);margin-bottom:12px;display:block;}
        .chat-list-empty h4{font-size:14px;font-weight:800;color:var(--color-text-main);margin-bottom:6px;}
        .chat-list-empty p{font-size:12px;line-height:1.5;}

        /* --- SAĞ: Mesajlaşma Alanı --- */
        .chat-main{display:flex;flex-direction:column;min-height:0;background:transparent;overflow:hidden;}
        .chat-main-empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px;text-align:center;color:var(--color-text-muted);}
        .chat-main-empty-icon{width:100px;height:100px;border-radius:50%;background:linear-gradient(135deg,var(--color-primary-lighter),var(--color-primary-light));display:flex;align-items:center;justify-content:center;font-size:40px;color:var(--color-primary);margin-bottom:20px;box-shadow:0 8px 25px rgba(79,70,229,0.15);}
        .chat-main-empty h3{font-size:20px;font-weight:800;color:var(--color-text-main);margin-bottom:8px;}
        .chat-main-empty p{font-size:14px;max-width:340px;line-height:1.5;}

        .chat-conv-header{display:flex;align-items:center;gap:14px;padding:16px 22px;border-bottom:1px solid var(--color-border);background:rgba(255,255,255,0.7);backdrop-filter:blur(8px);flex-shrink:0;}
        .cch-avatar{width:44px;height:44px;border-radius:var(--radius-full);display:flex;justify-content:center;align-items:center;font-size:17px;font-weight:800;color:#fff;flex-shrink:0;box-shadow:var(--shadow-xs);}
        .cch-info{flex:1;min-width:0;}
        .cch-name{font-size:15px;font-weight:800;color:var(--color-text-main);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
        .cch-status{font-size:12px;color:var(--color-text-muted);margin-top:2px;display:flex;align-items:center;gap:6px;}
        .cch-status.active{color:var(--color-success);}
        .cch-status.inactive{color:var(--color-danger);}
        .cch-status.typing{color:var(--color-primary);font-weight:700;}

        .chat-messages{flex:1;overflow-y:auto;padding:24px 22px;display:flex;flex-direction:column;gap:8px;scroll-behavior:smooth;}
        .chat-messages::-webkit-scrollbar{width:6px;}
        .chat-messages::-webkit-scrollbar-thumb{background:var(--color-primary-border);border-radius:6px;}
        .chat-messages::-webkit-scrollbar-thumb:hover{background:var(--color-primary);}

        .msg-row{display:flex;gap:10px;max-width:72%;animation:msgPop 0.25s ease-out;}
        @keyframes msgPop{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:translateY(0);}}
        .msg-row.mine{align-self:flex-end;flex-direction:row-reverse;}
        .msg-row.theirs{align-self:flex-start;}
        .msg-bubble{padding:10px 14px;border-radius:16px;font-size:14px;line-height:1.45;word-wrap:break-word;overflow-wrap:break-word;position:relative;box-shadow:0 1px 2px rgba(0,0,0,0.06);}
        .msg-row.mine .msg-bubble{background:linear-gradient(135deg,#4f46e5 0%,#3b82f6 100%);color:#fff;border-bottom-right-radius:4px;}
        .msg-row.theirs .msg-bubble{background:#fff;color:var(--color-text-main);border:1px solid var(--color-border);border-bottom-left-radius:4px;}
        .msg-time{font-size:10px;color:var(--color-text-light);margin-top:3px;padding:0 6px;font-weight:600;}
        .msg-row.mine .msg-time{text-align:right;}

        /* Ardışık aynı gönderen mesajlarını sıkıştır */
        .msg-row.grouped{margin-top:-4px;}

        /* Sistem mesajları */
        .system-msg{align-self:center;display:flex;align-items:center;gap:10px;padding:8px 16px;border-radius:20px;font-size:12px;font-weight:700;margin:10px 0;max-width:85%;text-align:center;}
        .system-msg.start{background:var(--color-success-light);color:var(--color-success);border:1px solid var(--color-success-border);}
        .system-msg.end{background:var(--color-danger-light);color:var(--color-danger);border:1px solid var(--color-danger-border);}
        .system-msg i{font-size:13px;}

        /* Gün ayracı */
        .day-separator{align-self:center;font-size:11px;font-weight:800;color:var(--color-text-muted);background:rgba(255,255,255,0.7);padding:5px 14px;border-radius:20px;margin:14px 0 6px 0;border:1px solid var(--color-border);letter-spacing:0.3px;}

        /* Yazıyor... animasyonu */
        .typing-indicator{align-self:flex-start;display:flex;align-items:center;gap:8px;padding:10px 16px;background:#fff;border:1px solid var(--color-border);border-radius:16px;border-bottom-left-radius:4px;margin-top:4px;max-width:90px;animation:msgPop 0.25s ease-out;}
        .typing-dot{width:7px;height:7px;border-radius:50%;background:var(--color-primary);opacity:0.4;animation:typingBounce 1.2s infinite ease-in-out;}
        .typing-dot:nth-child(2){animation-delay:0.15s;}
        .typing-dot:nth-child(3){animation-delay:0.3s;}
        @keyframes typingBounce{0%,60%,100%{transform:translateY(0);opacity:0.4;}30%{transform:translateY(-6px);opacity:1;}}

        /* Mesaj input alanı */
        .chat-input-wrap{padding:14px 18px;border-top:1px solid var(--color-border);background:rgba(255,255,255,0.7);backdrop-filter:blur(8px);flex-shrink:0;}
        .chat-input-row{display:flex;align-items:flex-end;gap:10px;background:#fff;border:1.5px solid var(--color-border);border-radius:22px;padding:6px 6px 6px 16px;transition:var(--transition-fast);}
        .chat-input-row:focus-within{border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-lighter);}
        .chat-input{flex:1;border:none;outline:none;background:transparent;font-size:14px;font-family:inherit;resize:none;padding:8px 0;max-height:110px;line-height:1.4;color:var(--color-text-main);}
        .chat-input::placeholder{color:var(--color-text-placeholder);}
        .chat-send-btn{width:40px;height:40px;border-radius:50%;border:none;background:linear-gradient(135deg,#4f46e5 0%,#3b82f6 100%);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:14px;transition:var(--transition-fast);flex-shrink:0;box-shadow:0 2px 8px rgba(79,70,229,0.3);}
        .chat-send-btn:hover:not(:disabled){transform:scale(1.08);box-shadow:0 4px 12px rgba(79,70,229,0.45);}
        .chat-send-btn:disabled{background:var(--color-border-medium);cursor:not-allowed;box-shadow:none;}

        .chat-input-disabled{padding:14px;text-align:center;background:var(--color-danger-light);color:var(--color-danger);border:1px dashed var(--color-danger-border);border-radius:var(--radius-md);font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;gap:8px;}

        /* Mobil */
        @media(max-width:768px){
            .chat-layout{grid-template-columns:1fr;}
            .chat-sidebar{display:flex;}
            .chat-main{display:none;}
            .chat-layout.showing-conv .chat-sidebar{display:none;}
            .chat-layout.showing-conv .chat-main{display:flex;}
            .header-chat-btn span{display:none;}
            .msg-row{max-width:85%;}
        }

        .back-to-list-btn{display:none;background:none;border:none;color:var(--color-primary);font-size:20px;cursor:pointer;padding:4px 8px;margin-right:4px;}
        @media(max-width:768px){.back-to-list-btn{display:block;}}

        .mo-toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%) translateY(100px);background:var(--color-text-main);color:#fff;padding:14px 28px;border-radius:50px;font-size:14px;font-weight:700;z-index:6000;box-shadow:0 10px 30px rgba(0,0,0,0.3);display:flex;align-items:center;gap:10px;transition:transform 0.4s cubic-bezier(0.25,0.8,0.25,1);white-space:nowrap;}
        .mo-toast.show{transform:translateX(-50%) translateY(0);}
        .mo-toast.success{background:var(--color-success);}
        .mo-toast.error{background:var(--color-danger);}