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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 420px;
    margin: 0 auto;
}

.login-box {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    padding: 40px 30px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.login-header h1 {
    color: #333;
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 8px;
}

.login-header p {
    color: #666;
    font-size: 15px;
    font-weight: 400;
}

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

.form-group label {
    display: block;
    color: #333;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-wrapper i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #999;
    z-index: 2;
    pointer-events: none;
}

.input-wrapper input {
    width: 100%;
    padding: 15px 50px 15px 45px;
    border: 2px solid #e1e5e9;
    border-radius: 12px;
    font-size: 15px;
    background: #f8f9fa;
    transition: all 0.3s ease;
    outline: none;
}

.input-wrapper input:focus {
    border-color: #667eea;
    background: #fff;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.toggle-password {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #999;
    cursor: pointer;
    padding: 5px;
    transition: color 0.3s ease;
    z-index: 2;
}

.toggle-password:hover {
    color: #667eea;
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.remember-me {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 14px;
    color: #666;
}

.remember-me input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 18px;
    height: 18px;
    border: 2px solid #ddd;
    border-radius: 4px;
    margin-right: 8px;
    position: relative;
    transition: all 0.3s ease;
}

.remember-me input:checked + .checkmark {
    background: #667eea;
    border-color: #667eea;
}

.remember-me input:checked + .checkmark:after {
    content: '✓';
    position: absolute;
    top: -2px;
    left: 2px;
    color: white;
    font-size: 12px;
    font-weight: bold;
}

.forgot-password {
    color: #667eea;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.3s ease;
}

.forgot-password:hover {
    color: #5a67d8;
}

.login-btn {
    width: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 15px 20px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.3s ease;
    margin-bottom: 20px;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

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

.login-btn.loading {
    pointer-events: none;
}

.login-btn.loading span {
    opacity: 0.7;
}

.login-btn.loading i {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.divider {
    text-align: center;
    margin: 20px 0;
    position: relative;
    color: #999;
    font-size: 14px;
}

.divider:before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: #e1e5e9;
    z-index: 1;
}

.divider span {
    background: rgba(255, 255, 255, 0.95);
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

.google-btn {
    width: 100%;
    background: #fff;
    color: #333;
    border: 2px solid #e1e5e9;
    padding: 15px 20px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    transition: all 0.3s ease;
    margin-bottom: 25px;
}

.google-btn:hover {
    border-color: #ccc;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.google-btn i {
    color: #db4437;
    font-size: 18px;
}

.signup-link {
    text-align: center;
    color: #666;
    font-size: 14px;
}

.signup-link a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.signup-link a:hover {
    color: #5a67d8;
}

/* Mobile Responsive */
@media (max-width: 480px) {
    body {
        padding: 15px;
    }
    
    .login-box {
        padding: 30px 25px;
        border-radius: 15px;
    }
    
    .login-header h1 {
        font-size: 24px;
    }
    
    .input-wrapper input {
        padding: 12px 45px 12px 40px;
        font-size: 14px;
    }
    
    .input-wrapper i {
        left: 12px;
    }
    
    .toggle-password {
        right: 12px;
    }
    
    .login-btn {
        padding: 12px 20px;
        font-size: 15px;
    }
    
    .google-btn {
        padding: 12px 20px;
        font-size: 14px;
    }
    
    .form-options {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }
}

@media (max-width: 360px) {
    .login-box {
        padding: 25px 20px;
    }
    
    .login-header h1 {
        font-size: 22px;
    }
}