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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.login-container {
    width: 100%;
    max-width: 400px;
}

.login-card {
    background: rgba(18, 18, 24, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 24px;
    padding: 32px 24px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.platform-name {
    text-align: center;
    font-size: 20px;
    font-weight: 600;
    color: #ffd700;
    letter-spacing: 1px;
    margin-bottom: 24px;
    word-break: break-word;
}

.login-title {
    text-align: center;
    font-size: 28px;
    font-weight: 600;
    color: white;
    margin-bottom: 32px;
}

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

.input-group label {
    display: block;
    color: #888;
    font-size: 14px;
    margin-bottom: 8px;
}

.input-group input {
    width: 100%;
    padding: 14px 16px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    color: white;
    font-size: 16px;
    transition: all 0.3s ease;
}

.input-group input:focus {
    outline: none;
    border-color: #ffd700;
    background: rgba(255, 255, 255, 0.12);
}

.input-group input::placeholder {
    color: #555;
}

.signin-btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #ffd700, #ffb347);
    border: none;
    border-radius: 12px;
    color: #1a1a2e;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    margin-top: 8px;
}

.signin-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(255, 215, 0, 0.2);
}

.signup-link {
    text-align: center;
    margin: 20px 0;
    color: #888;
    font-size: 14px;
}

.signup-link a {
    color: #ffd700;
    text-decoration: none;
}

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

.google-login {
    margin: 20px 0;
}

.google-btn {
    width: 100%;
    padding: 12px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    color: white;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    transition: background 0.3s ease;
}

.google-btn:hover {
    background: rgba(255, 255, 255, 0.12);
}

.google-icon {
    width: 20px;
    height: 20px;
    background: white;
    color: #333;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
}

.partner-text {
    text-align: center;
    color: #555;
    font-size: 12px;
    margin: 20px 0;
    letter-spacing: 2px;
}

.footer-text {
    text-align: center;
    color: #444;
    font-size: 11px;
    margin-top: 24px;
    line-height: 1.5;
}

.error-message {
    background: rgba(255, 68, 68, 0.2);
    border: 1px solid rgba(255, 68, 68, 0.3);
    border-radius: 10px;
    padding: 10px;
    color: #ff6666;
    font-size: 14px;
    text-align: center;
    margin-bottom: 16px;
}

@media (max-width: 480px) {
    .login-card {
        padding: 24px 20px;
    }
    
    .platform-name {
        font-size: 18px;
    }
    
    .login-title {
        font-size: 24px;
    }
}