/* 萤窗星途 - 登录/注册页 */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', sans-serif;
    background: #f1f5f9;
    overflow-x: hidden;
}

.container { display: flex; width: 100%; height: 100vh; }

.left {
    width: 50%;
    background: linear-gradient(135deg, #4f46e5 0%, #4338ca 40%, #6366f1 100%);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.left::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
    padding: 40px;
}

.logo {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 28px;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.logo i { color: #fbbf24; }

.title { font-size: 28px; font-weight: 700; margin-bottom: 16px; color: white; }

.subtitle { font-size: 15px; margin-bottom: 36px; color: rgba(255,255,255,0.9); }

.features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.feature {
    background: rgba(255, 255, 255, 0.12);
    padding: 18px;
    border-radius: 12px;
    text-align: center;
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.2);
}

.feature i { font-size: 22px; margin-bottom: 8px; display: block; color: #fbbf24; }

.feature div { font-size: 14px; }

.right {
    width: 50%;
    background: linear-gradient(160deg, #f8fafc 0%, #f1f5f9 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.form-box {
    background: white;
    padding: 36px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(79, 70, 229, 0.12);
    width: 100%;
    max-width: 400px;
    border: 1px solid #e2e8f0;
}

.form-title { font-size: 24px; font-weight: 700; text-align: center; margin-bottom: 8px; color: #1e293b; }

.form-subtitle { text-align: center; margin-bottom: 28px; color: #64748b; font-size: 14px; }

.form-group { margin-bottom: 20px; }

.form-group label { display: block; margin-bottom: 8px; color: #334155; font-weight: 600; font-size: 14px; }

.input-wrapper { position: relative; }

.input-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: #94a3b8;
    font-size: 16px;
}

.input-wrapper input {
    width: 100%;
    padding: 14px 14px 14px 44px;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-size: 15px;
    background: #f8fafc;
    transition: all 0.3s ease;
}

.input-wrapper input:focus {
    border-color: #4f46e5;
    background: white;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
    outline: none;
}

.captcha-wrapper { display: flex; gap: 10px; align-items: stretch; }

.captcha-wrapper .input-wrapper { flex: 1; }

.btn-code {
    padding: 0 16px;
    background: linear-gradient(135deg, #4f46e5, #4338ca);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.3s;
}

.btn-code:hover:not(:disabled) { box-shadow: 0 4px 12px rgba(79, 70, 229, 0.35); }

.btn-code:disabled { opacity: 0.7; cursor: not-allowed; }

.checkbox {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    cursor: pointer;
    font-size: 13px;
    color: #64748b;
}

.checkbox input[type="checkbox"] { width: 16px; height: 16px; accent-color: #4f46e5; margin-top: 2px; }

.checkbox a { color: #4f46e5; }

.login-btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #4f46e5 0%, #4338ca 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.login-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(79, 70, 229, 0.4);
}

.login-btn:disabled { opacity: 0.8; cursor: not-allowed; transform: none; }

.third-party {
    text-align: center;
    padding-top: 16px;
    border-top: 1px solid #e2e8f0;
}

.third-party span { font-size: 13px; color: #64748b; display: block; margin-bottom: 12px; }

.third-icons { display: flex; justify-content: center; gap: 16px; }

.third-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 2px solid #e2e8f0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #64748b;
    transition: all 0.3s;
}

.third-btn:hover { border-color: #4f46e5; color: #4f46e5; }

.third-btn i { font-size: 20px; }

@media (max-width: 768px) {
    .container { flex-direction: column; }
    .left, .right { width: 100%; }
    .left { height: 36vh; }
    .features { grid-template-columns: 1fr; gap: 12px; }
    .form-box { padding: 24px; margin: 16px; }
}