* { box-sizing: border-box; }
    html, body { min-height: 100%; }
    body {
        margin: 0;
        font-family: Arial, Helvetica, sans-serif;
        background: #f8f9fa;
        color: #1f2937;
    }
    .login-shell {
        min-height: 100vh;
        display: flex;
        flex-direction: column;
        justify-content: center;
        padding: 34px 20px 24px;
    }
    .login-platform-title {
        width: 100%;
        max-width: 760px;
        margin: 0 auto 24px;
        text-align: center;
        color: #1263d6;
        font-size: 22px;
        line-height: 1.28;
        font-weight: 900;
        letter-spacing: 0;
    }
    .admin-login-wrapper {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .admin-login-card {
        background: #fff;
        width: 100%;
        max-width: 440px;
        padding: 40px;
        border-radius: 10px;
        box-shadow: 0 10px 25px rgba(0,0,0,0.05);
        text-align: center;
        border: 1px solid #f1f5f9;
    }
    .admin-icon-circle {
        width: 75px;
        height: 75px;
        background: #eff6ff;
        color: #1263d6;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto 20px;
        font-size: 32px;
    }
    .admin-title { font-size: 24px; font-weight: 800; color: #1263d6; margin-bottom: 8px; }
    .admin-desc { font-size: 13px; color: #64748b; margin-bottom: 30px; font-weight: 500;}
    
    .form-grup { margin-bottom: 20px; text-align: left; position: relative; }
    .form-label { display: block; font-size: 13px; font-weight: 700; color: #334151; margin-bottom: 8px; }
    .form-input { 
        width: 100%; 
        padding: 12px 15px; 
        border: 2px solid #e2e8f0; 
        border-radius: 10px; 
        font-size: 14px; 
        background: #fff; 
        box-sizing: border-box; 
        transition: 0.2s; 
        font-weight: 500;
    }
    .form-input:focus { border-color: #1263d6; outline: none; box-shadow: 0 0 0 3px rgba(18, 99, 214, 0.1); }
    .form-input:disabled { background-color: #f1f5f9; cursor: not-allowed; color: #94a3b8; }
    
    .password-toggle { position: absolute; right: 15px; top: 40px; color: #9ca3af; cursor: pointer; transition: 0.2s; }
    .password-toggle:hover { color: #1263d6; }
    input[type="password"]::-ms-reveal, input[type="password"]::-ms-clear { display: none; }
    
    .btn-giris { 
        width: 100%; padding: 14px; background: #1263d6; color: #fff; 
        border: none; border-radius: 10px; font-weight: 700; cursor: pointer;
        display: flex; justify-content: center; align-items: center; gap: 10px; transition: 0.3s;
        font-size: 15px; margin-top: 10px;
    }
    .btn-giris:hover:not(:disabled) { background: #0b48a4; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(18,99,214, 0.2); }
    .btn-giris:disabled { background: #94a3b8; cursor: not-allowed; opacity: 0.7; }
    
    .hata-kutusu { background: #fee2e2; color: #b91c1c; padding: 12px; border-radius: 10px; margin-bottom: 20px; font-size: 13px; border:1px solid #fecaca; font-weight: 500; display:flex; align-items:center; gap:8px;}
    
    .captcha-satir { display: flex; gap: 10px; align-items: center; margin-bottom: 10px; }
    .captcha-img { border-radius: 10px; border: 2px solid #e2e8f0; height: 46px; object-fit: cover; }
    .yenile-btn { background: #f1f5f9; border: 2px solid #e2e8f0; height: 46px; width: 46px; border-radius: 10px; cursor: pointer; color: #1263d6; transition: 0.2s; display: flex; align-items: center; justify-content: center; flex-shrink: 0;}
    .yenile-btn:hover:not(:disabled) { background: #e2e8f0; color: #0b48a4;}
    .yenile-btn:disabled { cursor: not-allowed; color: #94a3b8; }

    .lockout-box { margin-top:15px; background-color:#eff6ff; border:1px solid #EF4444; border-radius:10px; padding:15px; color:#B91C1C; font-size:13px; font-weight:600; text-align:center; }
    .login-company-footer {
        max-width: 760px;
        margin: 24px auto 0;
        text-align: center;
        color: #64748b;
        font-size: 13px;
        line-height: 1.55;
        font-weight: 600;
    }
    @media (min-width: 769px) {
        .admin-login-card {
            max-width: 620px;
            padding: 42px 58px;
        }
    }

    /* MOBİL İÇİN SAĞ/SOL BOŞLUK AYARLARI */
    @media (max-width: 768px) {
        .login-shell { padding: 24px 12px 18px; justify-content: flex-start; }
        .login-platform-title { font-size: 18px; margin-bottom: 18px; }
        .admin-login-card { 
            padding: 30px 20px; 
        }
        .login-company-footer { font-size: 12px; margin-top: 18px; padding: 0 4px; }
    }

.brand-link{color:#1263d6;text-decoration:none}.login-home{display:inline-block;margin-top:20px;color:#64748b;font-size:13px}.password-toggle{background:none;border:0;padding:3px;top:34px}.form-input.password{padding-right:48px}#loginError:empty{display:none}#loginError{display:block}.captcha-img{width:156px;height:54px}.captcha-satir .yenile-btn{height:54px;width:54px}.lockout-box:empty{display:none}.login-help{font-size:12px;line-height:1.6;color:#64748b}.login-company-footer a{color:inherit}button:focus-visible,a:focus-visible{outline:3px solid #1263d6;outline-offset:4px}

.login-register{margin-top:24px;padding-top:22px;border-top:1px solid #e2e8f0}.login-register p{font-size:14px;color:#64748b;margin:0 0 12px}.register-link{display:flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:12px 16px;border:1px solid #1263d6;border-radius:10px;color:#1263d6;font-size:15px;font-weight:700;text-decoration:none;line-height:1.5;overflow-wrap:anywhere}.register-link:hover{background:#eff6ff}

.brand-link img{max-width:240px;width:100%;height:auto}.demo-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}.demo-links a{flex:1;padding:10px;border:1px solid #dbeafe;border-radius:8px;color:#1263d6;text-decoration:none;font-size:12px} .password-toggle{top:35px}