/* ============================================
   Login Page Styles
   ============================================ */

body {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

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

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header h1 {
    font-size: 2em;
    margin-bottom: 10px;
}

.login-header p {
    color: #999;
}

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

.submit-btn {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s;
}

.submit-btn:hover {
    transform: translateY(-2px);
}

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

.footer-links {
    text-align: center;
    margin-top: 20px;
    color: #999;
}

.footer-links a {
    color: #667eea;
    text-decoration: none;
    margin-left: 5px;
}

.footer-links a:hover {
    text-decoration: underline;
}

/* OAuth Buttons */
.divider {
    display: flex;
    align-items: center;
    margin: 30px 0 20px 0;
    color: #999;
    font-size: 0.9em;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: #e0e0e0;
}

.divider span {
    margin: 0 15px;
}

.oauth-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.oauth-btn {
    flex: 1 1 calc(50% - 6px);
    min-width: 120px;
    padding: 12px;
    background: white;
    border: 2px solid #e0e0e0;
    border-radius: 5px;
    text-decoration: none;
    color: #333;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.95em;
}

.oauth-btn:hover {
    border-color: #667eea;
    background: #f8f9fa;
    transform: translateY(-2px);
}

.oauth-icon {
    font-size: 1.2em;
}

.youtube-btn {
    border-color: #FF0000;
    color: #FF0000;
}

.youtube-btn:hover {
    background: #fff5f5;
    border-color: #FF0000;
}

.twitch-btn {
    border-color: #9146FF;
    color: #9146FF;
}

.twitch-btn:hover {
    background: #f5f0ff;
    border-color: #9146FF;
}

.niconico-btn {
    border-color: #252525;
    color: #252525;
}

.niconico-btn:hover {
    background: #f5f5f5;
    border-color: #252525;
}

.instagram-btn {
    border-color: #E1306C;
    color: #E1306C;
}

.instagram-btn:hover {
    background: #fff0f5;
    border-color: #E1306C;
}

.tiktok-btn {
    border-color: #333;
    color: #333;
}

.tiktok-btn:hover {
    background: #f5f5f5;
    border-color: #333;
}

.x-btn {
    border-color: #000;
    color: #000;
}

.x-btn:hover {
    background: #f5f5f5;
    border-color: #000;
}

.facebook-btn {
    border-color: #1877F2;
    color: #1877F2;
}

.facebook-btn:hover {
    background: #f0f5ff;
    border-color: #1877F2;
}

.kick-btn {
    border-color: #009900;
    color: #009900;
}

.kick-btn:hover {
    background: #f0fff0;
    border-color: #009900;
}

.bilibili-btn {
    border-color: #00A1D6;
    color: #00A1D6;
}

.bilibili-btn:hover {
    background: #f0faff;
    border-color: #00A1D6;
}

@media (max-width: 480px) {
    .login-header h1 {
        font-size: 1.5em;
    }

    .container {
        padding: 20px;
    }
    
    .oauth-buttons {
        flex-direction: column;
    }
    
    .oauth-btn {
        width: 100%;
    }
}