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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: #f5f5f5;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.banner {
    position: relative;
    width: 100%;
    height: 280px;
    background: #87CEEB;
    overflow: hidden;
}

.banner-img {
    position: absolute;
    inset: 0;
    background-image: url('https://i.imgur.com/YKOxnKO.jpeg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.header-top {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    z-index: 10;
}

.icon-whatsapp {
    width: 44px;
    height: 44px;
    background: #25D366;
    border-radius: 50%;
    padding: 8px;
}

.language-text {
    color: #333;
    font-size: 13px;
    font-weight: 500;
}

.telegram-badge {
    position: absolute;
    top: 12px;
    right: 16px;
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(255,255,255,0.95);
    padding: 8px 12px;
    border-radius: 18px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    z-index: 10;
}

.icon-telegram {
    width: 22px;
    height: 22px;
}

.telegram-badge span {
    color: #0066FF;
    font-size: 12px;
    font-weight: 600;
}

.logo-container {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 160px;
    height: 160px;
    background: rgba(255,255,255,0.95);
    border-radius: 50%;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 5;
}

.logo {
    width: 130px;
    height: 130px;
    object-fit: contain;
}

.login-area {
    flex: 1;
    padding: 24px 16px;
    background: #f5f5f5;
    display: flex;
    justify-content: center;
}

.form-login {
    width: 100%;
    max-width: 400px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.input-group {
    position: relative;
}

.input-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: #10B981;
    font-size: 18px;
    pointer-events: none;
    z-index: 2;
}

.phone-prefix {
    position: absolute;
    left: 48px;
    top: 50%;
    transform: translateY(-50%);
    color: #999;
    font-size: 13px;
    font-weight: 500;
    pointer-events: none;
    z-index: 2;
}

.input-field {
    width: 100%;
    padding: 14px 14px 14px 78px;
    background: #fff;
    border: 0px solid #dddddd00;
    border-radius: 8px;
    font-size: 13px;
    color: #333;
    outline: none;
}

.input-field:focus {
    border-color: 0px solid #ffffff00;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0);
}

.input-field-captcha {
    flex: 1;
    padding: 14px;
    background: #fff;
    border: 0px solid #ffffff00;
    border-radius: 8px;
    font-size: 13px;
}

.input-field-captcha:focus {
    border-color: 0px solid #ffffff00;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0);
}

.captcha-group {
    display: flex;
    gap: 10px;
    align-items: center;
}

.captcha-image {
    border: 0px solid #ddd;
    border-radius: 6px;
    background: #fafafa;
    cursor: pointer;
    flex-shrink: 0;
}

.toggle-pwd {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #888;
    font-size: 16px;
    cursor: pointer;
}

.toggle-pwd:hover {
    color: #10B981;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 10px;
    user-select: none;
    cursor: pointer;
}

.checkbox-group input {
    display: none;
}

.checkbox-custom {
    width: 20px;
    height: 20px;
    border: 2px solid #10B981;
    border-radius: 4px;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.checkbox-group input:checked + .checkbox-custom {
    background: #10B981;
}

.checkbox-group input:checked + .checkbox-custom::after {
    content: '✓';
    color: white;
    font-size: 12px;
    font-weight: bold;
}

.checkbox-text {
    color: #333;
    font-size: 13px;
    font-weight: 500;
}

.btn-submit {
    width: 100%;
    padding: 14px;
    background: #10B981;
    color: white;
    border: none;
    border-radius: 30px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 3px 10px rgba(16,185,129,0.25);
    transition: all 0.2s;
}

.btn-submit:hover {
    background: #059669;
}

.auth-link {
    text-align: center;
    font-size: 13px;
    color: #444;
}

.auth-link a {
    color: #10B981;
    text-decoration: none;
    font-weight: 600;
}

.auth-link a:hover {
    text-decoration: underline;
}

/* mobile adjustments */
@media (max-width: 480px) {
    .banner { height: 240px; }
    .logo-container { width: 140px; height: 140px; }
    .logo { width: 110px; height: 110px; }
    .input-field { padding-left: 75px; font-size: 12.5px; }
    .btn-submit { font-size: 14px; padding: 13px; }
}