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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #0a0a0a;
    color: #fff;
    min-height: 100vh;
}

.login-container {
    display: flex;
    min-height: 100vh;
}

.login-left {
    flex: 1;
    position: relative;
    background: url('/static/images/login-bg.webp') center/cover no-repeat;
    display: flex;
    align-items: flex-end;
    padding: 60px;
}

.login-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(0,0,0,0.7) 0%,
        rgba(0,0,0,0.3) 50%,
        rgba(255,127,48,0.15) 100%
    );
}

.login-brand {
    position: relative;
    z-index: 1;
}

.login-brand .login-logo {
    width: 56px;
    height: 56px;
    margin-bottom: 16px;
}

.login-brand h1 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 8px;
}

.login-brand p {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.7);
}

.login-right {
    width: 480px;
    min-width: 400px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 40px;
    background: #111;
}

.login-card {
    width: 100%;
    max-width: 380px;
    background: #1a1a1a;
    border: 1px solid #2a2a2a;
    border-radius: 16px;
    padding: 48px 36px;
    text-align: center;
}

.login-card-header {
    margin-bottom: 36px;
}

.card-logo {
    width: 48px;
    height: 48px;
    margin-bottom: 20px;
}

.login-card h2 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: -0.3px;
}

.login-subtitle {
    color: #999;
    font-size: 0.9rem;
    line-height: 1.5;
}

.login-error {
    background: rgba(255, 59, 48, 0.12);
    border: 1px solid rgba(255, 59, 48, 0.3);
    color: #ff6b6b;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 0.85rem;
    line-height: 1.5;
    margin-bottom: 20px;
}

.signin-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    padding: 14px 24px;
    background: #ff7f30;
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.2s, transform 0.1s;
}

.signin-btn:hover {
    background: #e86f20;
    transform: translateY(-1px);
}

.signin-btn:active {
    transform: translateY(0);
}

.ms-icon {
    flex-shrink: 0;
}

.login-footer {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid #2a2a2a;
}

.login-footer .footer-title {
    color: #ccc;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.login-footer p {
    color: #666;
    font-size: 0.82rem;
}

.login-footer strong {
    color: #999;
}

.login-bottom {
    margin-top: 40px;
}

.login-bottom p {
    color: #444;
    font-size: 0.78rem;
}

@media (max-width: 900px) {
    .login-container {
        flex-direction: column;
    }

    .login-left {
        min-height: 240px;
        padding: 40px 30px;
    }

    .login-brand h1 {
        font-size: 1.8rem;
    }

    .login-right {
        width: 100%;
        min-width: unset;
        flex: 1;
        padding: 30px 20px;
    }

    .login-card {
        padding: 36px 24px;
    }
}

@media (max-width: 480px) {
    .login-left {
        min-height: 180px;
        padding: 30px 20px;
    }

    .login-brand h1 {
        font-size: 1.5rem;
    }

    .login-right {
        padding: 20px 16px;
    }

    .login-card {
        padding: 28px 20px;
        border-radius: 12px;
    }

    .login-card h2 {
        font-size: 1.3rem;
    }
}